Linux防火墙支持IP6.0 -Firewall/SOSDG is a Linux Netfilter firewall designed to be simple and effective. Features include NAT support, port forwarding, basic routing/forwarding of packets, and ipv6 firewalling support.

C语言实现的linux上netfilter框架基本包过滤防火墙,实现了基本的功能，包括地址，端口与协议的过滤。-firewall based on netfilter frame on linux. Basic filter functions are implemented, including ip, port and protocol.