ip-filter不但具有SNAT、DNAT、端口映射、透明代理等已经成熟的功能，同时还实现了IPv4和IPv6协议以及IPSec安全协议的支持。此外还有诸如规则分组、blackhole、数据包捕获等特色

ip-filter不但具有SNAT、DNAT、端口映射、透明代理等已经成熟的功能，同时还实现了IPv4和IPv6协议以及IPSec安全协议的支持。此外还有诸如规则分组、blackhole、数据包捕获等特色-ip-filter not only had SNAT, DNAT, the port mapping, the transparent proxy and so on already the mature function, meanwhile has realized IPv4 and

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.

本书涵盖了防火墙的技术、策略和市场上流行的所有主要的防火墙产品。与其他书相比，此书范围更广，适用性更强。此外，它提供了各种协议包括即将来临的IPv6及如何构造防火墙等的全面指导。-The book covers the popular firewall technology, strategy and all major firewall products in market. Compared with other books, this book has a wider range of a