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| author | csgr <csgr@FreeBSD.org> | 1999-08-18 07:04:42 +0000 |
|---|---|---|
| committer | csgr <csgr@FreeBSD.org> | 1999-08-18 07:04:42 +0000 |
| commit | c49f6959c7dbae3734a3682324cef343050b774d (patch) | |
| tree | 404ce0d6179a6f14392fd2eee81ed318e3df2c50 /share | |
| parent | 1976ef16a8708201289ddbec33fc0efe7ceb061e (diff) | |
| download | FreeBSD-src-c49f6959c7dbae3734a3682324cef343050b774d.zip FreeBSD-src-c49f6959c7dbae3734a3682324cef343050b774d.tar.gz | |
Document sysctl MIBs under net.inet.udp
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man4/udp.4 | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/share/man/man4/udp.4 b/share/man/man4/udp.4 index 05656fa..1e34c0a 100644 --- a/share/man/man4/udp.4 +++ b/share/man/man4/udp.4 @@ -30,7 +30,7 @@ .\" SUCH DAMAGE. .\" .\" @(#)udp.4 8.1 (Berkeley) 6/5/93 -.\" $Id: udp.4,v 1.5 1997/02/22 13:24:51 peter Exp $ +.\" $Id: udp.4,v 1.6 1997/03/19 19:47:43 bde Exp $ .\" .Dd June 5, 1993 .Dt UDP 4 @@ -124,6 +124,34 @@ when an attempt is made to create a socket with a network address for which no network interface exists. .El +.Sh MIB VARIABLES +The +.Nm +protocol implements a number of variables in the +.Li net.inet +branch of the +.Xr sysctl 3 +MIB. +.Bl -tag -width UDPCTL_RECVSPACEX +.It UDPCTL_CHECKSUM +.Pq udp.checksum +Enable udp checksums (enabled by default). +.It UDPCTL_MAXDGRAM +.Pq udp.maxdgram +Maximum outgoing UDP datagram size +.It UDPCTL_RECVSPACE +.Pq udp.recvspace +Maximum space for incoming UDP datagrams +.It udp.log_in_vain +For all udp datagrams, to ports on which there is no socket +listening, log the connection attempt (disabled by default). +.It udp.blackhole +When a datagram is received on a port where there is no socket +listening, do not return an ICMP port unreachable message. +(Disabled by default. See +.Xr blackhole 4 +) +.El .Sh SEE ALSO .Xr getsockopt 2 , .Xr recv 2 , @@ -131,7 +159,8 @@ exists. .Xr socket 2 , .Xr inet 4 , .Xr intro 4 , -.Xr ip 4 +.Xr ip 4 , +.Xr blackhole 4 .Sh HISTORY The .Nm |
