1 This target is only valid in the
5 chain. It should only be used with dynamically assigned IP (dialup)
6 connections: if you have a static IP address, you should use the SNAT
7 target. Masquerading is equivalent to specifying a mapping to the IP
8 address of the interface the packet is going out, but also has the
9 effect that connections are
11 when the interface goes down. This is the correct behavior when the
12 next dialup is unlikely to have the same interface address (and hence
13 any established connections are lost anyway). It takes one option:
15 \fB--to-ports\fP \fIport\fP[\fB-\fP\fIport\fP]
16 This specifies a range of source ports to use, overriding the default
18 source port-selection heuristics (see above). This is only valid
19 if the rule also specifies
25 Randomize source port mapping
28 is used then port mapping will be randomized (kernel >= 2.6.21).