libipt_TTL.man revision fea74bf74ff524431ce65145f1523584edf99dc9 
1This is used to modify the IPv4 TTL header field.  The TTL field determines
2how many hops (routers) a packet can traverse until it's time to live is
3exceeded.
4.PP
5Setting or incrementing the TTL field can potentially be very dangerous,
6so it should be avoided at any cost.  
7.PP
8.B Don't ever set or increment the value on packets that leave your local network!
9.B mangle
10table.
11.TP
12\fB\-\-ttl\-set\fP \fIvalue\fP
13Set the TTL value to `value'.
14.TP
15\fB\-\-ttl\-dec\fP \fIvalue\fP
16Decrement the TTL value `value' times.
17.TP
18\fB\-\-ttl\-inc\fP \fIvalue\fP
19Increment the TTL value `value' times.
20