…he IP number may be one from the internal nets, as defined in [ RFC1918 ] and [ RFC4193 ]. 6.2 . The "unknown" identifier The "unknown" identifier is used when the identity of the preceding entity is not known. One example would be a proxy server process generating an outgoing re…

… the IP address may be one from the internal nets, as defined in [RFC1918] and [RFC4193]. Also, note that an IPv6 address is always enclosed in square brackets. 6.2. The "unknown" Identifier The "unknown" identifier is used when the identity of the preceding entity is not known, …

…e IP address may be one from the internal nets, as defined in [ RFC1918 ] and [ RFC4193 ]. Also, note that an IPv6 address is always enclosed in square brackets. 6.2 . The "unknown" Identifier The "unknown" identifier is used when the identity of the preceding entity is not known…

…e IP address may be one from the internal nets, as defined in [ RFC1918 ] and [ RFC4193 ]. Also, note that an IPv6 address is always enclosed in square brackets. 6.2 . The "unknown" Identifier The "unknown" identifier is used when the identity of the preceding entity is not known…

…SIDs [ RFC9602 ] 2024-04 N/A True True True False False fc00::/7 Unique-Local [ RFC4193 ] [ RFC8190 ] 2005-10 N/A True True True False [ 4 ] False fe80::/10 Link-Local Unicast [ RFC4291 ] 2006-02 N/A True True False False True

…FC4291 or an address in a private-use range RFC1918 from a global, unique-local RFC4193 , or non-private address as a potential attempt at request forgery. Endpoints could refuse to use these addresses entirely, but that carries a significant risk of interfering with legitimate u…

…4291 f800::/6 Reserved by IETF RFC3513 ][ RFC4291 fc00::/7 Unique Local Unicast RFC4193 See [ IPv6 Special-Purpose Address Space ] for details. fe00::/9 Reserved by IETF RFC3513 ][ RFC4291 fe80::/10 Link-Scoped Unicast RFC3513 ][ RFC4291 See [ IPv6 Special-Purpose Address Space ]…

…-+--------------+ | 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 | +----------…

…-+--------------+ | 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 | +----------…