xref: /aosp_15_r20/external/iptables/extensions/libip6t_HL.man (revision a71a954618bbadd4a345637e5edcf36eec826889)
1*a71a9546SAutomerger Merge WorkerThis is used to modify the Hop Limit field in IPv6 header. The Hop Limit field
2*a71a9546SAutomerger Merge Workeris similar to what is known as TTL value in IPv4.  Setting or incrementing the
3*a71a9546SAutomerger Merge WorkerHop Limit field can potentially be very dangerous, so it should be avoided at
4*a71a9546SAutomerger Merge Workerany cost. This target is only valid in
5*a71a9546SAutomerger Merge Worker.B mangle
6*a71a9546SAutomerger Merge Workertable.
7*a71a9546SAutomerger Merge Worker.PP
8*a71a9546SAutomerger Merge Worker.B Don't ever set or increment the value on packets that leave your local network!
9*a71a9546SAutomerger Merge Worker.TP
10*a71a9546SAutomerger Merge Worker\fB\-\-hl\-set\fP \fIvalue\fP
11*a71a9546SAutomerger Merge WorkerSet the Hop Limit to `value'.
12*a71a9546SAutomerger Merge Worker.TP
13*a71a9546SAutomerger Merge Worker\fB\-\-hl\-dec\fP \fIvalue\fP
14*a71a9546SAutomerger Merge WorkerDecrement the Hop Limit `value' times.
15*a71a9546SAutomerger Merge Worker.TP
16*a71a9546SAutomerger Merge Worker\fB\-\-hl\-inc\fP \fIvalue\fP
17*a71a9546SAutomerger Merge WorkerIncrement the Hop Limit `value' times.
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