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Inbound TCP-MD5 digest validation is now supported

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This commit is contained in:
Ed Maste 2012-03-08 01:37:01 +00:00
parent 012faf16c1
commit 0ff32c4996
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=232678
1 changed files with 4 additions and 3 deletions
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7
share/man/man4/tcp.4
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@ -38,7 +38,7 @@
.\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93
.\" $FreeBSD$
.\"
.Dd February 5, 2012
.Dd March 7, 2012
.Dt TCP 4
.Os
.Sh NAME
@ -255,8 +255,9 @@ or the internal send buffer is filled.
.It Dv TCP_MD5SIG
This option enables the use of MD5 digests (also known as TCP-MD5)
on writes to the specified socket.
In the current release, only outgoing traffic is digested;
digests on incoming traffic are not verified.
Outgoing traffic is digested;
digests on incoming traffic are verified
if the net.inet.tcp.signature_verify_input sysctl is nonzero.
The current default behavior for the system is to respond to a system
advertising this option with TCP-MD5; this may change.
.Pp