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UDP checksums are always checked (RFC1122 S4.1.3.4), it is not controllable 

by net.inet.udp.checksum.
This commit is contained in:
heas 2004-07-02 18:17:45 +00:00
parent db7514c3d2
commit 2cc74cfa3e
1 changed files with 4 additions and 3 deletions
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7
lib/libc/gen/sysctl.3
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@ -1,4 +1,4 @@
.\" $NetBSD: sysctl.3,v 1.135 2004/03/25 20:02:04 wiz Exp $
.\" $NetBSD: sysctl.3,v 1.136 2004/07/02 18:17:45 heas Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@ -29,7 +29,7 @@
.\"
.\" @(#)sysctl.3 8.4 (Berkeley) 5/9/95
.\"
.Dd March 25, 2004
.Dd July 2, 2004
.Dt SYSCTL 3
.Os
.Sh NAME
@ -1165,7 +1165,8 @@ TCP RST packet that exceeded the value are subject to rate limitation
and will not go out from the node.
Negative value disables rate limitation.
.It Li udp.checksum
Returns 1 when UDP checksums are being computed and checked.
Returns 1 when UDP checksums are being computed.
Received non-zero UDP checksums are always checked.
Disabling UDP checksums is strongly discouraged.
.It Li udp.sendspace
Returns the default UDP send buffer size.