949 lines
39 KiB
Go
949 lines
39 KiB
Go
|
package sockaddr
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||
|
|
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||
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// ForwardingBlacklist is a faux RFC that includes a list of non-forwardable IP
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// blocks.
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const ForwardingBlacklist = 4294967295
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const ForwardingBlacklistRFC = "4294967295"
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// IsRFC tests to see if an SockAddr matches the specified RFC
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func IsRFC(rfcNum uint, sa SockAddr) bool {
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rfcNetMap := KnownRFCs()
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rfcNets, ok := rfcNetMap[rfcNum]
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if !ok {
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return false
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}
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var contained bool
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for _, rfcNet := range rfcNets {
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if rfcNet.Contains(sa) {
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contained = true
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break
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}
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}
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return contained
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}
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// KnownRFCs returns an initial set of known RFCs.
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//
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// NOTE (sean@): As this list evolves over time, please submit patches to keep
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// this list current. If something isn't right, inquire, as it may just be a
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// bug on my part. Some of the inclusions were based on my judgement as to what
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// would be a useful value (e.g. RFC3330).
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//
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// Useful resources:
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//
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// * https://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml
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// * https://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-unicast-address-assignments.xhtml
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// * https://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xhtml
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func KnownRFCs() map[uint]SockAddrs {
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// NOTE(sean@): Multiple SockAddrs per RFC lend themselves well to a
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// RADIX tree, but `ENOTIME`. Patches welcome.
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return map[uint]SockAddrs{
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919: {
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// [RFC919] Broadcasting Internet Datagrams
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MustIPv4Addr("255.255.255.255/32"), // [RFC1122], §7 Broadcast IP Addressing - Proposed Standards
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},
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1122: {
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// [RFC1122] Requirements for Internet Hosts -- Communication Layers
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MustIPv4Addr("0.0.0.0/8"), // [RFC1122], §3.2.1.3
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MustIPv4Addr("127.0.0.0/8"), // [RFC1122], §3.2.1.3
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},
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1112: {
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// [RFC1112] Host Extensions for IP Multicasting
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MustIPv4Addr("224.0.0.0/4"), // [RFC1112], §4 Host Group Addresses
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},
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1918: {
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// [RFC1918] Address Allocation for Private Internets
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MustIPv4Addr("10.0.0.0/8"),
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MustIPv4Addr("172.16.0.0/12"),
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MustIPv4Addr("192.168.0.0/16"),
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},
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2544: {
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// [RFC2544] Benchmarking Methodology for Network
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// Interconnect Devices
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MustIPv4Addr("198.18.0.0/15"),
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},
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2765: {
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// [RFC2765] Stateless IP/ICMP Translation Algorithm
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// (SIIT) (obsoleted by RFCs 6145, which itself was
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// later obsoleted by 7915).
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// [RFC2765], §2.1 Addresses
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MustIPv6Addr("0:0:0:0:0:ffff:0:0/96"),
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},
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2928: {
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// [RFC2928] Initial IPv6 Sub-TLA ID Assignments
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MustIPv6Addr("2001::/16"), // Superblock
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//MustIPv6Addr("2001:0000::/23"), // IANA
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//MustIPv6Addr("2001:0200::/23"), // APNIC
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//MustIPv6Addr("2001:0400::/23"), // ARIN
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//MustIPv6Addr("2001:0600::/23"), // RIPE NCC
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//MustIPv6Addr("2001:0800::/23"), // (future assignment)
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// ...
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//MustIPv6Addr("2001:FE00::/23"), // (future assignment)
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},
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||
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|
3056: { // 6to4 address
|
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|
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// [RFC3056] Connection of IPv6 Domains via IPv4 Clouds
|
||
|
|
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// [RFC3056], §2 IPv6 Prefix Allocation
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|
MustIPv6Addr("2002::/16"),
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||
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},
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||
|
|
3068: {
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||
|
|
// [RFC3068] An Anycast Prefix for 6to4 Relay Routers
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// (obsolete by RFC7526)
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|
|
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// [RFC3068], § 6to4 Relay anycast address
|
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MustIPv4Addr("192.88.99.0/24"),
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||
|
|
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||
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|
// [RFC3068], §2.5 6to4 IPv6 relay anycast address
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|
|
//
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|
// NOTE: /120 == 128-(32-24)
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|
MustIPv6Addr("2002:c058:6301::/120"),
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|
},
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|
|
3171: {
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// [RFC3171] IANA Guidelines for IPv4 Multicast Address Assignments
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MustIPv4Addr("224.0.0.0/4"),
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},
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3330: {
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||
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// [RFC3330] Special-Use IPv4 Addresses
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|
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// Addresses in this block refer to source hosts on
|
||
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// "this" network. Address 0.0.0.0/32 may be used as a
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// source address for this host on this network; other
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|
|
// addresses within 0.0.0.0/8 may be used to refer to
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// specified hosts on this network [RFC1700, page 4].
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MustIPv4Addr("0.0.0.0/8"),
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|
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// 10.0.0.0/8 - This block is set aside for use in
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// private networks. Its intended use is documented in
|
||
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|
// [RFC1918]. Addresses within this block should not
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|
// appear on the public Internet.
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MustIPv4Addr("10.0.0.0/8"),
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|
|
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// 14.0.0.0/8 - This block is set aside for assignments
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// to the international system of Public Data Networks
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// [RFC1700, page 181]. The registry of assignments
|
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// within this block can be accessed from the "Public
|
||
|
|
// Data Network Numbers" link on the web page at
|
||
|
|
// http://www.iana.org/numbers.html. Addresses within
|
||
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// this block are assigned to users and should be
|
||
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// treated as such.
|
||
|
|
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||
|
|
// 24.0.0.0/8 - This block was allocated in early 1996
|
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|
|
// for use in provisioning IP service over cable
|
||
|
|
// television systems. Although the IANA initially was
|
||
|
|
// involved in making assignments to cable operators,
|
||
|
|
// this responsibility was transferred to American
|
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|
|
// Registry for Internet Numbers (ARIN) in May 2001.
|
||
|
|
// Addresses within this block are assigned in the
|
||
|
|
// normal manner and should be treated as such.
|
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|
|
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|
|
// 39.0.0.0/8 - This block was used in the "Class A
|
||
|
|
// Subnet Experiment" that commenced in May 1995, as
|
||
|
|
// documented in [RFC1797]. The experiment has been
|
||
|
|
// completed and this block has been returned to the
|
||
|
|
// pool of addresses reserved for future allocation or
|
||
|
|
// assignment. This block therefore no longer has a
|
||
|
|
// special use and is subject to allocation to a
|
||
|
|
// Regional Internet Registry for assignment in the
|
||
|
|
// normal manner.
|
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|
|
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|
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// 127.0.0.0/8 - This block is assigned for use as the Internet host
|
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|
|
// loopback address. A datagram sent by a higher level protocol to an
|
||
|
|
// address anywhere within this block should loop back inside the host.
|
||
|
|
// This is ordinarily implemented using only 127.0.0.1/32 for loopback,
|
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|
|
// but no addresses within this block should ever appear on any network
|
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|
|
// anywhere [RFC1700, page 5].
|
||
|
|
MustIPv4Addr("127.0.0.0/8"),
|
||
|
|
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||
|
|
// 128.0.0.0/16 - This block, corresponding to the
|
||
|
|
// numerically lowest of the former Class B addresses,
|
||
|
|
// was initially and is still reserved by the IANA.
|
||
|
|
// Given the present classless nature of the IP address
|
||
|
|
// space, the basis for the reservation no longer
|
||
|
|
// applies and addresses in this block are subject to
|
||
|
|
// future allocation to a Regional Internet Registry for
|
||
|
|
// assignment in the normal manner.
|
||
|
|
|
||
|
|
// 169.254.0.0/16 - This is the "link local" block. It
|
||
|
|
// is allocated for communication between hosts on a
|
||
|
|
// single link. Hosts obtain these addresses by
|
||
|
|
// auto-configuration, such as when a DHCP server may
|
||
|
|
// not be found.
|
||
|
|
MustIPv4Addr("169.254.0.0/16"),
|
||
|
|
|
||
|
|
// 172.16.0.0/12 - This block is set aside for use in
|
||
|
|
// private networks. Its intended use is documented in
|
||
|
|
// [RFC1918]. Addresses within this block should not
|
||
|
|
// appear on the public Internet.
|
||
|
|
MustIPv4Addr("172.16.0.0/12"),
|
||
|
|
|
||
|
|
// 191.255.0.0/16 - This block, corresponding to the numerically highest
|
||
|
|
// to the former Class B addresses, was initially and is still reserved
|
||
|
|
// by the IANA. Given the present classless nature of the IP address
|
||
|
|
// space, the basis for the reservation no longer applies and addresses
|
||
|
|
// in this block are subject to future allocation to a Regional Internet
|
||
|
|
// Registry for assignment in the normal manner.
|
||
|
|
|
||
|
|
// 192.0.0.0/24 - This block, corresponding to the
|
||
|
|
// numerically lowest of the former Class C addresses,
|
||
|
|
// was initially and is still reserved by the IANA.
|
||
|
|
// Given the present classless nature of the IP address
|
||
|
|
// space, the basis for the reservation no longer
|
||
|
|
// applies and addresses in this block are subject to
|
||
|
|
// future allocation to a Regional Internet Registry for
|
||
|
|
// assignment in the normal manner.
|
||
|
|
|
||
|
|
// 192.0.2.0/24 - This block is assigned as "TEST-NET" for use in
|
||
|
|
// documentation and example code. It is often used in conjunction with
|
||
|
|
// domain names example.com or example.net in vendor and protocol
|
||
|
|
// documentation. Addresses within this block should not appear on the
|
||
|
|
// public Internet.
|
||
|
|
MustIPv4Addr("192.0.2.0/24"),
|
||
|
|
|
||
|
|
// 192.88.99.0/24 - This block is allocated for use as 6to4 relay
|
||
|
|
// anycast addresses, according to [RFC3068].
|
||
|
|
MustIPv4Addr("192.88.99.0/24"),
|
||
|
|
|
||
|
|
// 192.168.0.0/16 - This block is set aside for use in private networks.
|
||
|
|
// Its intended use is documented in [RFC1918]. Addresses within this
|
||
|
|
// block should not appear on the public Internet.
|
||
|
|
MustIPv4Addr("192.168.0.0/16"),
|
||
|
|
|
||
|
|
// 198.18.0.0/15 - This block has been allocated for use
|
||
|
|
// in benchmark tests of network interconnect devices.
|
||
|
|
// Its use is documented in [RFC2544].
|
||
|
|
MustIPv4Addr("198.18.0.0/15"),
|
||
|
|
|
||
|
|
// 223.255.255.0/24 - This block, corresponding to the
|
||
|
|
// numerically highest of the former Class C addresses,
|
||
|
|
// was initially and is still reserved by the IANA.
|
||
|
|
// Given the present classless nature of the IP address
|
||
|
|
// space, the basis for the reservation no longer
|
||
|
|
// applies and addresses in this block are subject to
|
||
|
|
// future allocation to a Regional Internet Registry for
|
||
|
|
// assignment in the normal manner.
|
||
|
|
|
||
|
|
// 224.0.0.0/4 - This block, formerly known as the Class
|
||
|
|
// D address space, is allocated for use in IPv4
|
||
|
|
// multicast address assignments. The IANA guidelines
|
||
|
|
// for assignments from this space are described in
|
||
|
|
// [RFC3171].
|
||
|
|
MustIPv4Addr("224.0.0.0/4"),
|
||
|
|
|
||
|
|
// 240.0.0.0/4 - This block, formerly known as the Class E address
|
||
|
|
// space, is reserved. The "limited broadcast" destination address
|
||
|
|
// 255.255.255.255 should never be forwarded outside the (sub-)net of
|
||
|
|
// the source. The remainder of this space is reserved
|
||
|
|
// for future use. [RFC1700, page 4]
|
||
|
|
MustIPv4Addr("240.0.0.0/4"),
|
||
|
|
},
|
||
|
|
3849: {
|
||
|
|
// [RFC3849] IPv6 Address Prefix Reserved for Documentation
|
||
|
|
MustIPv6Addr("2001:db8::/32"), // [RFC3849], §4 IANA Considerations
|
||
|
|
},
|
||
|
|
3927: {
|
||
|
|
// [RFC3927] Dynamic Configuration of IPv4 Link-Local Addresses
|
||
|
|
MustIPv4Addr("169.254.0.0/16"), // [RFC3927], §2.1 Link-Local Address Selection
|
||
|
|
},
|
||
|
|
4038: {
|
||
|
|
// [RFC4038] Application Aspects of IPv6 Transition
|
||
|
|
|
||
|
|
// [RFC4038], §4.2. IPv6 Applications in a Dual-Stack Node
|
||
|
|
MustIPv6Addr("0:0:0:0:0:ffff::/96"),
|
||
|
|
},
|
||
|
|
4193: {
|
||
|
|
// [RFC4193] Unique Local IPv6 Unicast Addresses
|
||
|
|
MustIPv6Addr("fc00::/7"),
|
||
|
|
},
|
||
|
|
4291: {
|
||
|
|
// [RFC4291] IP Version 6 Addressing Architecture
|
||
|
|
|
||
|
|
// [RFC4291], §2.5.2 The Unspecified Address
|
||
|
|
MustIPv6Addr("::/128"),
|
||
|
|
|
||
|
|
// [RFC4291], §2.5.3 The Loopback Address
|
||
|
|
MustIPv6Addr("::1/128"),
|
||
|
|
|
||
|
|
// [RFC4291], §2.5.5.1. IPv4-Compatible IPv6 Address
|
||
|
|
MustIPv6Addr("::/96"),
|
||
|
|
|
||
|
|
// [RFC4291], §2.5.5.2. IPv4-Mapped IPv6 Address
|
||
|
|
MustIPv6Addr("::ffff:0:0/96"),
|
||
|
|
|
||
|
|
// [RFC4291], §2.5.6 Link-Local IPv6 Unicast Addresses
|
||
|
|
MustIPv6Addr("fe80::/10"),
|
||
|
|
|
||
|
|
// [RFC4291], §2.5.7 Site-Local IPv6 Unicast Addresses
|
||
|
|
// (depreciated)
|
||
|
|
MustIPv6Addr("fec0::/10"),
|
||
|
|
|
||
|
|
// [RFC4291], §2.7 Multicast Addresses
|
||
|
|
MustIPv6Addr("ff00::/8"),
|
||
|
|
|
||
|
|
// IPv6 Multicast Information.
|
||
|
|
//
|
||
|
|
// In the following "table" below, `ff0x` is replaced
|
||
|
|
// with the following values depending on the scope of
|
||
|
|
// the query:
|
||
|
|
//
|
||
|
|
// IPv6 Multicast Scopes:
|
||
|
|
// * ff00/9 // reserved
|
||
|
|
// * ff01/9 // interface-local
|
||
|
|
// * ff02/9 // link-local
|
||
|
|
// * ff03/9 // realm-local
|
||
|
|
// * ff04/9 // admin-local
|
||
|
|
// * ff05/9 // site-local
|
||
|
|
// * ff08/9 // organization-local
|
||
|
|
// * ff0e/9 // global
|
||
|
|
// * ff0f/9 // reserved
|
||
|
|
//
|
||
|
|
// IPv6 Multicast Addresses:
|
||
|
|
// * ff0x::2 // All routers
|
||
|
|
// * ff02::5 // OSPFIGP
|
||
|
|
// * ff02::6 // OSPFIGP Designated Routers
|
||
|
|
// * ff02::9 // RIP Routers
|
||
|
|
// * ff02::a // EIGRP Routers
|
||
|
|
// * ff02::d // All PIM Routers
|
||
|
|
// * ff02::1a // All RPL Routers
|
||
|
|
// * ff0x::fb // mDNSv6
|
||
|
|
// * ff0x::101 // All Network Time Protocol (NTP) servers
|
||
|
|
// * ff02::1:1 // Link Name
|
||
|
|
// * ff02::1:2 // All-dhcp-agents
|
||
|
|
// * ff02::1:3 // Link-local Multicast Name Resolution
|
||
|
|
// * ff05::1:3 // All-dhcp-servers
|
||
|
|
// * ff02::1:ff00:0/104 // Solicited-node multicast address.
|
||
|
|
// * ff02::2:ff00:0/104 // Node Information Queries
|
||
|
|
},
|
||
|
|
4380: {
|
||
|
|
// [RFC4380] Teredo: Tunneling IPv6 over UDP through
|
||
|
|
// Network Address Translations (NATs)
|
||
|
|
|
||
|
|
// [RFC4380], §2.6 Global Teredo IPv6 Service Prefix
|
||
|
|
MustIPv6Addr("2001:0000::/32"),
|
||
|
|
},
|
||
|
|
4773: {
|
||
|
|
// [RFC4773] Administration of the IANA Special Purpose IPv6 Address Block
|
||
|
|
MustIPv6Addr("2001:0000::/23"), // IANA
|
||
|
|
},
|
||
|
|
4843: {
|
||
|
|
// [RFC4843] An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers (ORCHID)
|
||
|
|
MustIPv6Addr("2001:10::/28"), // [RFC4843], §7 IANA Considerations
|
||
|
|
},
|
||
|
|
5180: {
|
||
|
|
// [RFC5180] IPv6 Benchmarking Methodology for Network Interconnect Devices
|
||
|
|
MustIPv6Addr("2001:0200::/48"), // [RFC5180], §8 IANA Considerations
|
||
|
|
},
|
||
|
|
5735: {
|
||
|
|
// [RFC5735] Special Use IPv4 Addresses
|
||
|
|
MustIPv4Addr("192.0.2.0/24"), // TEST-NET-1
|
||
|
|
MustIPv4Addr("198.51.100.0/24"), // TEST-NET-2
|
||
|
|
MustIPv4Addr("203.0.113.0/24"), // TEST-NET-3
|
||
|
|
MustIPv4Addr("198.18.0.0/15"), // Benchmarks
|
||
|
|
},
|
||
|
|
5737: {
|
||
|
|
// [RFC5737] IPv4 Address Blocks Reserved for Documentation
|
||
|
|
MustIPv4Addr("192.0.2.0/24"), // TEST-NET-1
|
||
|
|
MustIPv4Addr("198.51.100.0/24"), // TEST-NET-2
|
||
|
|
MustIPv4Addr("203.0.113.0/24"), // TEST-NET-3
|
||
|
|
},
|
||
|
|
6052: {
|
||
|
|
// [RFC6052] IPv6 Addressing of IPv4/IPv6 Translators
|
||
|
|
MustIPv6Addr("64:ff9b::/96"), // [RFC6052], §2.1. Well-Known Prefix
|
||
|
|
},
|
||
|
|
6333: {
|
||
|
|
// [RFC6333] Dual-Stack Lite Broadband Deployments Following IPv4 Exhaustion
|
||
|
|
MustIPv4Addr("192.0.0.0/29"), // [RFC6333], §5.7 Well-Known IPv4 Address
|
||
|
|
},
|
||
|
|
6598: {
|
||
|
|
// [RFC6598] IANA-Reserved IPv4 Prefix for Shared Address Space
|
||
|
|
MustIPv4Addr("100.64.0.0/10"),
|
||
|
|
},
|
||
|
|
6666: {
|
||
|
|
// [RFC6666] A Discard Prefix for IPv6
|
||
|
|
MustIPv6Addr("0100::/64"),
|
||
|
|
},
|
||
|
|
6890: {
|
||
|
|
// [RFC6890] Special-Purpose IP Address Registries
|
||
|
|
|
||
|
|
// From "RFC6890 §2.2.1 Information Requirements":
|
||
|
|
/*
|
||
|
|
The IPv4 and IPv6 Special-Purpose Address Registries maintain the
|
||
|
|
following information regarding each entry:
|
||
|
|
|
||
|
|
o Address Block - A block of IPv4 or IPv6 addresses that has been
|
||
|
|
registered for a special purpose.
|
||
|
|
|
||
|
|
o Name - A descriptive name for the special-purpose address block.
|
||
|
|
|
||
|
|
o RFC - The RFC through which the special-purpose address block was
|
||
|
|
requested.
|
||
|
|
|
||
|
|
o Allocation Date - The date upon which the special-purpose address
|
||
|
|
block was allocated.
|
||
|
|
|
||
|
|
o Termination Date - The date upon which the allocation is to be
|
||
|
|
terminated. This field is applicable for limited-use allocations
|
||
|
|
only.
|
||
|
|
|
||
|
|
o Source - A boolean value indicating whether an address from the
|
||
|
|
allocated special-purpose address block is valid when used as the
|
||
|
|
source address of an IP datagram that transits two devices.
|
||
|
|
|
||
|
|
o Destination - A boolean value indicating whether an address from
|
||
|
|
the allocated special-purpose address block is valid when used as
|
||
|
|
the destination address of an IP datagram that transits two
|
||
|
|
devices.
|
||
|
|
|
||
|
|
o Forwardable - A boolean value indicating whether a router may
|
||
|
|
forward an IP datagram whose destination address is drawn from the
|
||
|
|
allocated special-purpose address block between external
|
||
|
|
interfaces.
|
||
|
|
|
||
|
|
o Global - A boolean value indicating whether an IP datagram whose
|
||
|
|
destination address is drawn from the allocated special-purpose
|
||
|
|
address block is forwardable beyond a specified administrative
|
||
|
|
domain.
|
||
|
|
|
||
|
|
o Reserved-by-Protocol - A boolean value indicating whether the
|
||
|
|
special-purpose address block is reserved by IP, itself. This
|
||
|
|
value is "TRUE" if the RFC that created the special-purpose
|
||
|
|
address block requires all compliant IP implementations to behave
|
||
|
|
in a special way when processing packets either to or from
|
||
|
|
addresses contained by the address block.
|
||
|
|
|
||
|
|
If the value of "Destination" is FALSE, the values of "Forwardable"
|
||
|
|
and "Global" must also be false.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*+----------------------+----------------------------+
|
||
|
|
* | Attribute | Value |
|
||
|
|
* +----------------------+----------------------------+
|
||
|
|
* | Address Block | 0.0.0.0/8 |
|
||
|
|
* | Name | "This host on this network"|
|
||
|
|
* | RFC | [RFC1122], Section 3.2.1.3 |
|
||
|
|
* | Allocation Date | September 1981 |
|
||
|
|
* | Termination Date | N/A |
|
||
|
|
* | Source | True |
|
||
|
|
* | Destination | False |
|
||
|
|
* | Forwardable | False |
|
||
|
|
* | Global | False |
|
||
|
|
* | Reserved-by-Protocol | True |
|
||
|
|
* +----------------------+----------------------------+*/
|
||
|
|
MustIPv4Addr("0.0.0.0/8"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------+
|
||
|
|
* | Attribute | Value |
|
||
|
|
* +----------------------+---------------+
|
||
|
|
* | Address Block | 10.0.0.0/8 |
|
||
|
|
* | Name | Private-Use |
|
||
|
|
* | RFC | [RFC1918] |
|
||
|
|
* | Allocation Date | February 1996 |
|
||
|
|
* | Termination Date | N/A |
|
||
|
|
* | Source | True |
|
||
|
|
* | Destination | True |
|
||
|
|
* | Forwardable | True |
|
||
|
|
* | Global | False |
|
||
|
|
* | Reserved-by-Protocol | False |
|
||
|
|
* +----------------------+---------------+ */
|
||
|
|
MustIPv4Addr("10.0.0.0/8"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------+
|
||
|
|
| Address Block | 100.64.0.0/10 |
|
||
|
|
| Name | Shared Address Space |
|
||
|
|
| RFC | [RFC6598] |
|
||
|
|
| Allocation Date | April 2012 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------------+*/
|
||
|
|
MustIPv4Addr("100.64.0.0/10"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------------+
|
||
|
|
| Address Block | 127.0.0.0/8 |
|
||
|
|
| Name | Loopback |
|
||
|
|
| RFC | [RFC1122], Section 3.2.1.3 |
|
||
|
|
| Allocation Date | September 1981 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False [1] |
|
||
|
|
| Destination | False [1] |
|
||
|
|
| Forwardable | False [1] |
|
||
|
|
| Global | False [1] |
|
||
|
|
| Reserved-by-Protocol | True |
|
||
|
|
+----------------------+----------------------------+*/
|
||
|
|
// [1] Several protocols have been granted exceptions to
|
||
|
|
// this rule. For examples, see [RFC4379] and
|
||
|
|
// [RFC5884].
|
||
|
|
MustIPv4Addr("127.0.0.0/8"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------+
|
||
|
|
| Address Block | 169.254.0.0/16 |
|
||
|
|
| Name | Link Local |
|
||
|
|
| RFC | [RFC3927] |
|
||
|
|
| Allocation Date | May 2005 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | True |
|
||
|
|
+----------------------+----------------+*/
|
||
|
|
MustIPv4Addr("169.254.0.0/16"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------+
|
||
|
|
| Address Block | 172.16.0.0/12 |
|
||
|
|
| Name | Private-Use |
|
||
|
|
| RFC | [RFC1918] |
|
||
|
|
| Allocation Date | February 1996 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+---------------+*/
|
||
|
|
MustIPv4Addr("172.16.0.0/12"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------------------------+
|
||
|
|
| Address Block | 192.0.0.0/24 [2] |
|
||
|
|
| Name | IETF Protocol Assignments |
|
||
|
|
| RFC | Section 2.1 of this document |
|
||
|
|
| Allocation Date | January 2010 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+---------------------------------+*/
|
||
|
|
// [2] Not usable unless by virtue of a more specific
|
||
|
|
// reservation.
|
||
|
|
MustIPv4Addr("192.0.0.0/24"),
|
||
|
|
|
||
|
|
/*+----------------------+--------------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+--------------------------------+
|
||
|
|
| Address Block | 192.0.0.0/29 |
|
||
|
|
| Name | IPv4 Service Continuity Prefix |
|
||
|
|
| RFC | [RFC6333], [RFC7335] |
|
||
|
|
| Allocation Date | June 2011 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+--------------------------------+*/
|
||
|
|
MustIPv4Addr("192.0.0.0/29"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------------+
|
||
|
|
| Address Block | 192.0.2.0/24 |
|
||
|
|
| Name | Documentation (TEST-NET-1) |
|
||
|
|
| RFC | [RFC5737] |
|
||
|
|
| Allocation Date | January 2010 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------------------+*/
|
||
|
|
MustIPv4Addr("192.0.2.0/24"),
|
||
|
|
|
||
|
|
/*+----------------------+--------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+--------------------+
|
||
|
|
| Address Block | 192.88.99.0/24 |
|
||
|
|
| Name | 6to4 Relay Anycast |
|
||
|
|
| RFC | [RFC3068] |
|
||
|
|
| Allocation Date | June 2001 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | True |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+--------------------+*/
|
||
|
|
MustIPv4Addr("192.88.99.0/24"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------+
|
||
|
|
| Address Block | 192.168.0.0/16 |
|
||
|
|
| Name | Private-Use |
|
||
|
|
| RFC | [RFC1918] |
|
||
|
|
| Allocation Date | February 1996 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------+*/
|
||
|
|
MustIPv4Addr("192.168.0.0/16"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------+
|
||
|
|
| Address Block | 198.18.0.0/15 |
|
||
|
|
| Name | Benchmarking |
|
||
|
|
| RFC | [RFC2544] |
|
||
|
|
| Allocation Date | March 1999 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+---------------+*/
|
||
|
|
MustIPv4Addr("198.18.0.0/15"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------------+
|
||
|
|
| Address Block | 198.51.100.0/24 |
|
||
|
|
| Name | Documentation (TEST-NET-2) |
|
||
|
|
| RFC | [RFC5737] |
|
||
|
|
| Allocation Date | January 2010 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------------------+*/
|
||
|
|
MustIPv4Addr("198.51.100.0/24"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------------+
|
||
|
|
| Address Block | 203.0.113.0/24 |
|
||
|
|
| Name | Documentation (TEST-NET-3) |
|
||
|
|
| RFC | [RFC5737] |
|
||
|
|
| Allocation Date | January 2010 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------------------+*/
|
||
|
|
MustIPv4Addr("203.0.113.0/24"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------+
|
||
|
|
| Address Block | 240.0.0.0/4 |
|
||
|
|
| Name | Reserved |
|
||
|
|
| RFC | [RFC1112], Section 4 |
|
||
|
|
| Allocation Date | August 1989 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | True |
|
||
|
|
+----------------------+----------------------+*/
|
||
|
|
MustIPv4Addr("240.0.0.0/4"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------+
|
||
|
|
| Address Block | 255.255.255.255/32 |
|
||
|
|
| Name | Limited Broadcast |
|
||
|
|
| RFC | [RFC0919], Section 7 |
|
||
|
|
| Allocation Date | October 1984 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------------+*/
|
||
|
|
MustIPv4Addr("255.255.255.255/32"),
|
||
|
|
|
||
|
|
/*+----------------------+------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+------------------+
|
||
|
|
| Address Block | ::1/128 |
|
||
|
|
| Name | Loopback Address |
|
||
|
|
| RFC | [RFC4291] |
|
||
|
|
| Allocation Date | February 2006 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | True |
|
||
|
|
+----------------------+------------------+*/
|
||
|
|
MustIPv6Addr("::1/128"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------------+
|
||
|
|
| Address Block | ::/128 |
|
||
|
|
| Name | Unspecified Address |
|
||
|
|
| RFC | [RFC4291] |
|
||
|
|
| Allocation Date | February 2006 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | True |
|
||
|
|
+----------------------+---------------------+*/
|
||
|
|
MustIPv6Addr("::/128"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------------+
|
||
|
|
| Address Block | 64:ff9b::/96 |
|
||
|
|
| Name | IPv4-IPv6 Translat. |
|
||
|
|
| RFC | [RFC6052] |
|
||
|
|
| Allocation Date | October 2010 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | True |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+---------------------+*/
|
||
|
|
MustIPv6Addr("64:ff9b::/96"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------------+
|
||
|
|
| Address Block | ::ffff:0:0/96 |
|
||
|
|
| Name | IPv4-mapped Address |
|
||
|
|
| RFC | [RFC4291] |
|
||
|
|
| Allocation Date | February 2006 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | True |
|
||
|
|
+----------------------+---------------------+*/
|
||
|
|
MustIPv6Addr("::ffff:0:0/96"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------------------+
|
||
|
|
| Address Block | 100::/64 |
|
||
|
|
| Name | Discard-Only Address Block |
|
||
|
|
| RFC | [RFC6666] |
|
||
|
|
| Allocation Date | June 2012 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------------------+*/
|
||
|
|
MustIPv6Addr("100::/64"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------------------+
|
||
|
|
| Address Block | 2001::/23 |
|
||
|
|
| Name | IETF Protocol Assignments |
|
||
|
|
| RFC | [RFC2928] |
|
||
|
|
| Allocation Date | September 2000 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False[1] |
|
||
|
|
| Destination | False[1] |
|
||
|
|
| Forwardable | False[1] |
|
||
|
|
| Global | False[1] |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+---------------------------+*/
|
||
|
|
// [1] Unless allowed by a more specific allocation.
|
||
|
|
MustIPv6Addr("2001::/16"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------+
|
||
|
|
| Address Block | 2001::/32 |
|
||
|
|
| Name | TEREDO |
|
||
|
|
| RFC | [RFC4380] |
|
||
|
|
| Allocation Date | January 2006 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------+*/
|
||
|
|
// Covered by previous entry, included for completeness.
|
||
|
|
//
|
||
|
|
// MustIPv6Addr("2001::/16"),
|
||
|
|
|
||
|
|
/*+----------------------+----------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+----------------+
|
||
|
|
| Address Block | 2001:2::/48 |
|
||
|
|
| Name | Benchmarking |
|
||
|
|
| RFC | [RFC5180] |
|
||
|
|
| Allocation Date | April 2008 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+----------------+*/
|
||
|
|
// Covered by previous entry, included for completeness.
|
||
|
|
//
|
||
|
|
// MustIPv6Addr("2001:2::/48"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------+
|
||
|
|
| Address Block | 2001:db8::/32 |
|
||
|
|
| Name | Documentation |
|
||
|
|
| RFC | [RFC3849] |
|
||
|
|
| Allocation Date | July 2004 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+---------------+*/
|
||
|
|
// Covered by previous entry, included for completeness.
|
||
|
|
//
|
||
|
|
// MustIPv6Addr("2001:db8::/32"),
|
||
|
|
|
||
|
|
/*+----------------------+--------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+--------------+
|
||
|
|
| Address Block | 2001:10::/28 |
|
||
|
|
| Name | ORCHID |
|
||
|
|
| RFC | [RFC4843] |
|
||
|
|
| Allocation Date | March 2007 |
|
||
|
|
| Termination Date | March 2014 |
|
||
|
|
| Source | False |
|
||
|
|
| Destination | False |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+--------------+*/
|
||
|
|
// Covered by previous entry, included for completeness.
|
||
|
|
//
|
||
|
|
// MustIPv6Addr("2001:10::/28"),
|
||
|
|
|
||
|
|
/*+----------------------+---------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+---------------+
|
||
|
|
| Address Block | 2002::/16 [2] |
|
||
|
|
| Name | 6to4 |
|
||
|
|
| RFC | [RFC3056] |
|
||
|
|
| Allocation Date | February 2001 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | N/A [2] |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+---------------+*/
|
||
|
|
// [2] See [RFC3056] for details.
|
||
|
|
MustIPv6Addr("2002::/16"),
|
||
|
|
|
||
|
|
/*+----------------------+--------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+--------------+
|
||
|
|
| Address Block | fc00::/7 |
|
||
|
|
| Name | Unique-Local |
|
||
|
|
| RFC | [RFC4193] |
|
||
|
|
| Allocation Date | October 2005 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | True |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | False |
|
||
|
|
+----------------------+--------------+*/
|
||
|
|
MustIPv6Addr("fc00::/7"),
|
||
|
|
|
||
|
|
/*+----------------------+-----------------------+
|
||
|
|
| Attribute | Value |
|
||
|
|
+----------------------+-----------------------+
|
||
|
|
| Address Block | fe80::/10 |
|
||
|
|
| Name | Linked-Scoped Unicast |
|
||
|
|
| RFC | [RFC4291] |
|
||
|
|
| Allocation Date | February 2006 |
|
||
|
|
| Termination Date | N/A |
|
||
|
|
| Source | True |
|
||
|
|
| Destination | True |
|
||
|
|
| Forwardable | False |
|
||
|
|
| Global | False |
|
||
|
|
| Reserved-by-Protocol | True |
|
||
|
|
+----------------------+-----------------------+*/
|
||
|
|
MustIPv6Addr("fe80::/10"),
|
||
|
|
},
|
||
|
|
7335: {
|
||
|
|
// [RFC7335] IPv4 Service Continuity Prefix
|
||
|
|
MustIPv4Addr("192.0.0.0/29"), // [RFC7335], §6 IANA Considerations
|
||
|
|
},
|
||
|
|
ForwardingBlacklist: { // Pseudo-RFC
|
||
|
|
// Blacklist of non-forwardable IP blocks taken from RFC6890
|
||
|
|
//
|
||
|
|
// TODO: the attributes for forwardable should be
|
||
|
|
// searcahble and embedded in the main list of RFCs
|
||
|
|
// above.
|
||
|
|
MustIPv4Addr("0.0.0.0/8"),
|
||
|
|
MustIPv4Addr("127.0.0.0/8"),
|
||
|
|
MustIPv4Addr("169.254.0.0/16"),
|
||
|
|
MustIPv4Addr("192.0.0.0/24"),
|
||
|
|
MustIPv4Addr("192.0.2.0/24"),
|
||
|
|
MustIPv4Addr("198.51.100.0/24"),
|
||
|
|
MustIPv4Addr("203.0.113.0/24"),
|
||
|
|
MustIPv4Addr("240.0.0.0/4"),
|
||
|
|
MustIPv4Addr("255.255.255.255/32"),
|
||
|
|
MustIPv6Addr("::1/128"),
|
||
|
|
MustIPv6Addr("::/128"),
|
||
|
|
MustIPv6Addr("::ffff:0:0/96"),
|
||
|
|
|
||
|
|
// There is no way of expressing a whitelist per RFC2928
|
||
|
|
// atm without creating a negative mask, which I don't
|
||
|
|
// want to do atm.
|
||
|
|
//MustIPv6Addr("2001::/23"),
|
||
|
|
|
||
|
|
MustIPv6Addr("2001:db8::/32"),
|
||
|
|
MustIPv6Addr("2001:10::/28"),
|
||
|
|
MustIPv6Addr("fe80::/10"),
|
||
|
|
},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// VisitAllRFCs iterates over all known RFCs and calls the visitor
|
||
|
|
func VisitAllRFCs(fn func(rfcNum uint, sockaddrs SockAddrs)) {
|
||
|
|
rfcNetMap := KnownRFCs()
|
||
|
|
|
||
|
|
// Blacklist of faux-RFCs. Don't show the world that we're abusing the
|
||
|
|
// RFC system in this library.
|
||
|
|
rfcBlacklist := map[uint]struct{}{
|
||
|
|
ForwardingBlacklist: {},
|
||
|
|
}
|
||
|
|
|
||
|
|
for rfcNum, sas := range rfcNetMap {
|
||
|
|
if _, found := rfcBlacklist[rfcNum]; !found {
|
||
|
|
fn(rfcNum, sas)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|