Alexander Bluhm <[email protected]> writes: > On Tue, Jun 28, 2016 at 01:27:59PM +0200, Jeremie Courreges-Anglas wrote: >> IP_MINTTL also benefits from this. Do we want to list SOCK_STREAM and >> SOCK_DRAM here, or use more generic language? > > We should mention that it only works for TCP and UDP. This is the > ip(4) man page so naming the protocols is more specific than talking > about the socket type.
How about this version? Index: ip.4 =================================================================== RCS file: /cvs/src/share/man/man4/ip.4,v retrieving revision 1.38 diff -u -p -r1.38 ip.4 --- ip.4 20 Oct 2015 22:08:19 -0000 1.38 +++ ip.4 28 Jun 2016 16:46:34 -0000 @@ -201,9 +201,8 @@ cmsg_type = IP_RECVTTL .Pp The .Dv IP_MINTTL -option may be used on -.Dv SOCK_STREAM -sockets to discard packets with a TTL lower than the option value. +option may be used on TCP and UDP sockets to discard packets with a TTL +lower than the option value. This can be used to implement the .Em Generalized TTL Security Mechanism (GTSM) according to RFC 5082. Index: ip6.4 =================================================================== RCS file: /cvs/src/share/man/man4/ip6.4,v retrieving revision 1.39 diff -u -p -r1.39 ip6.4 --- ip6.4 28 Jun 2016 11:23:57 -0000 1.39 +++ ip6.4 28 Jun 2016 16:53:09 -0000 @@ -146,7 +146,7 @@ datagrams sent on this socket. A value of \-1 resets to the default value. .It Dv IPV6_MINHOPCOUNT Fa "int *" Get or set the minimum hop limit header field for incoming -packets received on this socket. +packets received on TCP and UDP sockets. This can be used to implement the .Em Generalized TTL Security Mechanism (GTSM) according to RFC 5082. -- jca | PGP: 0x1524E7EE / 5135 92C1 AD36 5293 2BDF DDCC 0DFA 74AE 1524 E7EE
