libxt_REDIRECT.man revision ebd4a00b74aa99ed25841a235fe79b1462baea7f 
1This target is only valid in the
2.B nat
3table, in the
4.B PREROUTING
5and
6.B OUTPUT
7chains, and user-defined chains which are only called from those
8chains.  It redirects the packet to the machine itself by changing the
9destination IP to the primary address of the incoming interface
10(locally-generated packets are mapped to the localhost address,
11127.0.0.1 for IPv4 and ::1 for IPv6).
12.TP
13\fB\-\-to\-ports\fP \fIport\fP[\fB\-\fP\fIport\fP]
14This specifies a destination port or range of ports to use: without
15this, the destination port is never altered.  This is only valid
16if the rule also specifies one of the following protocols:
17\fBtcp\fP, \fBudp\fP, \fBdccp\fP or \fBsctp\fP.
18.TP
19\fB\-\-random\fP
20If option
21\fB\-\-random\fP
22is used then port mapping will be randomized (kernel >= 2.6.22).
23.TP
24IPv6 support available starting Linux kernels >= 3.7.
25