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