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