.TH xtables\-addons 8 "v1.7 (2008\-12\-25)" "" "v1.7 (2008\-12\-25)" .SH NAME Xtables\-addons - additional extensions for iptables, ip6tables, etc. .SH TARGETS .\" @TARGET@ .SH MATCHES .\" @MATCHES@ .SH "SEE ALSO" \fBiptables\fP(8), \fBip6tables\fP(8) .PP For developers, the book "Writing Netfilter modules" at http://jengelh.medozas.de/documents/Netfilter_Modules.pdf provides detailed information on how to write such modules/extensions.