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Pointed out by: bde
This commit is contained in:
jkoshy 1998-09-16 07:25:34 +00:00
parent a22382d2d9
commit f90418a9e2
1 changed files with 7 additions and 7 deletions
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14
lib/libc/gen/sysctl.3
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@ -481,16 +481,21 @@ The currently defined protocols and names are:
.ne 1i
.Bl -column ProtocolXX VariableXX TypeXX ChangeableXX
.It Pa Protocol Variable Type Changeable
.It icmp bmcastecho integer yes
.It icmp maskrepl integer yes
.It ip forwarding integer yes
.It ip redirect integer yes
.It ip ttl integer yes
.It icmp maskrepl integer yes
.It icmp bmcastecho integer yes
.It udp checksum integer yes
.El
.Pp
The variables are as follows:
.Bl -tag -width "123456"
.It Li icmp.bmcastecho
Returns 1 if an ICMP echo request to a broadcast or multicast address is
to be answered.
.It Li icmp.maskrepl
Returns 1 if ICMP network mask requests are to be answered.
.It Li ip.forwarding
Returns 1 when IP forwarding is enabled for the host,
meaning that the host is acting as a router.
@ -502,11 +507,6 @@ and should normally be enabled on all systems.
The maximum time-to-live (hop count) value for an IP packet sourced by
the system.
This value applies to normal transport protocols, not to ICMP.
.It Li icmp.maskrepl
Returns 1 if ICMP network mask requests are to be answered.
.It Li icmp.bmcastecho
Returns 1 if an ICMP echo request to a broadcast or multicast address is
to be answered.
.It Li udp.checksum
Returns 1 when UDP checksums are being computed and checked.
Disabling UDP checksums is strongly discouraged.