diff options
-rw-r--r-- | extensions/libxt_DNAT.man (renamed from extensions/libipt_DNAT.man) | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/extensions/libipt_DNAT.man b/extensions/libxt_DNAT.man index d5ded35b..225274ff 100644 --- a/extensions/libipt_DNAT.man +++ b/extensions/libxt_DNAT.man @@ -7,20 +7,17 @@ and chains, and user-defined chains which are only called from those chains. It specifies that the destination address of the packet should be modified (and all future packets in this connection will -also be mangled), and rules should cease being examined. It takes one -type of option: +also be mangled), and rules should cease being examined. It takes the +following options: .TP \fB\-\-to\-destination\fP [\fIipaddr\fP[\fB\-\fP\fIipaddr\fP]][\fB:\fP\fIport\fP[\fB\-\fP\fIport\fP]] which can specify a single new destination IP address, an inclusive -range of IP addresses, and optionally, a port range (which is only -valid if the rule also specifies -\fB\-p tcp\fP -or -\fB\-p udp\fP). +range of IP addresses. Optionally a port range, +if the rule also specifies one of the following protocols: +\fBtcp\fP, \fBudp\fP, \fBdccp\fP or \fBsctp\fP. If no port range is specified, then the destination port will never be modified. If no IP address is specified then only the destination port will be modified. - In Kernels up to 2.6.10 you can add several \-\-to\-destination options. For those kernels, if you specify more than one destination address, either via an address range or multiple \-\-to\-destination options, a simple round-robin (one @@ -37,3 +34,5 @@ is used then port mapping will be randomized (kernel >= 2.6.22). Gives a client the same source-/destination-address for each connection. This supersedes the SAME target. Support for persistent mappings is available from 2.6.29-rc2. +.TP +IPv6 support available since Linux kernels >= 3.7. |