diff options
author | csgr <csgr@FreeBSD.org> | 1999-08-17 14:54:26 +0000 |
---|---|---|
committer | csgr <csgr@FreeBSD.org> | 1999-08-17 14:54:26 +0000 |
commit | f580fbe343df0c71ec99a2c627e7ac6f60abeb74 (patch) | |
tree | 03022e12ff1ffa373b07a9f089b9f0b774bc640d /share | |
parent | 2435bad49c85680bf3f0b176f796343eecdfb612 (diff) | |
download | FreeBSD-src-f580fbe343df0c71ec99a2c627e7ac6f60abeb74.zip FreeBSD-src-f580fbe343df0c71ec99a2c627e7ac6f60abeb74.tar.gz |
Document a whole truckload of sysctl MIBs under net.inet.tcp,
including tcp.blackhole, tcp.log_in_vain and others.
Diffstat (limited to 'share')
-rw-r--r-- | share/man/man4/tcp.4 | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4 index a1c7bb3..bafb02f 100644 --- a/share/man/man4/tcp.4 +++ b/share/man/man4/tcp.4 @@ -30,7 +30,7 @@ .\" SUCH DAMAGE. .\" .\" From: @(#)tcp.4 8.1 (Berkeley) 6/5/93 -.\" $Id: tcp.4,v 1.8 1997/02/22 13:24:45 peter Exp $ +.\" $Id: tcp.4,v 1.9 1997/03/19 19:47:40 bde Exp $ .\" .Dd February 14, 1995 .Dt TCP 4 @@ -187,7 +187,7 @@ and the reverse source route is used in responding. .Sh MIB VARIABLES The .Nm -protocol implements three variables in the +protocol implements a number of variables in the .Li net.inet branch of the .Xr sysctl 3 @@ -207,6 +207,27 @@ as described in RFC 1644. The default value used for the maximum segment size .Pq Dq MSS when no advice to the contrary is received from MSS negotiation. +.It TCPCTL_RTTDFLT +.Pq tcp.rttdflt +The value of the default maximum TCP Round Trip Time. +.It TCPCTL_SENDSPACE +.Pq tcp.sendspace +Maximum TCP send window. +.It TCPCTL_RECVSPACE +.Pq tcp.recvspace +Maximum TCP receive window. +.It tcp.log_in_vain +Log any connection attempts to ports where there is not a socket +accepting connections. +.It tcp.blackhole +If enabled, disable sending of RST when a connection is attempted +to a port where there is not a socket accepting connections. +See +.Xr blackhole 4 . +.It tcp.delayed_ack +Delay ACK to try and piggyback it onto a data packet. +.It tcp.path_mtu_discovery +Enable Path MTU Discovery .El .Sh DIAGNOSTICS A socket operation may fail with one of the following errors returned: @@ -247,6 +268,7 @@ address. .Xr intro 4 , .Xr ip 4 , .Xr ttcp 4 +.Xr blackhole 4 .Rs .%A V. Jacobson, R. Braden, and D. Borman .%T "TCP Extensions for High Performance" |