des算法的实现

可以穿越防火墙的语音-to pass through the firewall"s voice

枚举局网IP使用VC++编写 大家可以看看哦-enumeration Bureau IP network using VC preparation we can see oh

tcp_wrappers_7.6 Unix下的防火墙源码-tcp_wrappers_7.6 Unix source firewa

获取本地网络设置和网卡信息的简单程序，具有很高的效率-Access to the local network settings and network card information simple procedure with high efficiency

一个网关过滤系统，网络版的Rip版,版本号为2.1,基于费尔的Ndis Hook技术.-a gateway filtering system, network version of Rip version, version 2.1, based on the Fil Ndis Hook technology.

一个简单的 防火墙 -A simple firewall

windows下的防火墙，支持对协议，源/目的端口的过滤。可以设置阻止列表。-under the windows firewall, support for the agreement, the source/destination port of the filter. The list can be set to stop.

本文件进行了实施测试通过的，但如果访问不了非本机的服务器，可查看你是否启动了个人防火墙，本程序没有解决个人防火墙问题。-this document for the implementation of the test, but if not visit the non-server machines, you can check whether or not to launch a personal firewall, this procedure does not solve the problem of personal firewall.

Internet 协议安全 (IPSec)-Internet Protocol Security (IPSec)

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 the IPv6 agreement as well as the IPSec security agreement support. In addition also has such as the rule grouping, blackhole, characteristic and so on data packet capture