1*a71a9546SAutomerger Merge WorkerThis is used to modify the IPv4 TTL header field. The TTL field determines 2*a71a9546SAutomerger Merge Workerhow many hops (routers) a packet can traverse until it's time to live is 3*a71a9546SAutomerger Merge Workerexceeded. 4*a71a9546SAutomerger Merge Worker.PP 5*a71a9546SAutomerger Merge WorkerSetting or incrementing the TTL field can potentially be very dangerous, 6*a71a9546SAutomerger Merge Workerso it should be avoided at any cost. This target is only valid in 7*a71a9546SAutomerger Merge Worker.B mangle 8*a71a9546SAutomerger Merge Workertable. 9*a71a9546SAutomerger Merge Worker.PP 10*a71a9546SAutomerger Merge Worker.B Don't ever set or increment the value on packets that leave your local network! 11*a71a9546SAutomerger Merge Worker.TP 12*a71a9546SAutomerger Merge Worker\fB\-\-ttl\-set\fP \fIvalue\fP 13*a71a9546SAutomerger Merge WorkerSet the TTL value to `value'. 14*a71a9546SAutomerger Merge Worker.TP 15*a71a9546SAutomerger Merge Worker\fB\-\-ttl\-dec\fP \fIvalue\fP 16*a71a9546SAutomerger Merge WorkerDecrement the TTL value `value' times. 17*a71a9546SAutomerger Merge Worker.TP 18*a71a9546SAutomerger Merge Worker\fB\-\-ttl\-inc\fP \fIvalue\fP 19*a71a9546SAutomerger Merge WorkerIncrement the TTL value `value' times. 20