.TH iptables-extensions 8 "" "@PACKAGE_AND_VERSION@" "@PACKAGE_AND_VERSION@" .SH NAME iptables-extensions \(em list of extensions in the standard iptables distribution .SH SYNOPSIS \fBip6tables\fP [\fB\-m\fP \fIname\fP [\fImodule-options\fP...]] [\fB\-j\fP \fItarget-name\fP [\fItarget-options\fP...] .PP \fBiptables\fP [\fB\-m\fP \fIname\fP [\fImodule-options\fP...]] [\fB\-j\fP \fItarget-name\fP [\fItarget-options\fP...] .SH MATCH EXTENSIONS iptables can use extended packet matching modules with the \fB\-m\fP or \fB\-\-match\fP options, followed by the matching module name; after these, various extra command line options become available, depending on the specific module. You can specify multiple extended match modules in one line, and you can use the \fB\-h\fP or \fB\-\-help\fP options after the module has been specified to receive help specific to that module. .PP If the \fB\-p\fP or \fB\-\-protocol\fP was specified and if and only if an unknown option is encountered, iptables will try load a match module of the same name as the protocol, to try making the option available. .\" @MATCH@ .SH TARGET EXTENSIONS iptables can use extended target modules: the following are included in the standard distribution. .\" @TARGET@