1.
Distributed Architecture of VoIP for Firewall/NAT Traversing Based on SIP;
基于SIP的分布式VoIP防火墙/NAT穿越架构
2.
Through Firewall/NAT Technology in the Network Security Early Warning System
网络安全预警系统中穿越防火墙/NAT技术的实现
3.
The Research and Realization of the IP Application s Optimized Firewall/NAT Traversal Solution;
IP应用中防火墙/NAT穿越最优化方案的研究与实现
4.
Research and Realization of SIP NAT/Firewall Transversal;
SIP穿越NAT/防火墙的研究与实现
5.
Study of Traversing NAT/Firewall Based on SIP and Implementation of MIDCOM;
基于SIP的NAT/防火墙穿透研究及MIDCOM实现
6.
The Investigation on the Technology of VoIP Traversal NAT/Firewall;
VoIP穿越NAT防火墙技术研究
7.
Discussion of Traversing Network Address Translation and Firewall in IMS Network
IMS组网中的NAT/防火墙穿越方案
8.
The Research of SIP Security under NAT and Firewall Deployment;
SIP协议部署在NAT/防火墙环境下的安全性研究
9.
Research on and Realization of Security Techniques for Voice and Video over IP to Traverse NAT/Firewall;
IP音视频安全穿越NAT/防火墙技术的研究与实现
10.
Study of Traversing NAT/Firewall Based on SIP and Implementation of SBC;
基于SIP的NAT/防火墙穿透研究及SBC的设计与实现
11.
The Design and Implementation of the Hybrid Firewall Based on NAT in the City Defense Control System;
基于NAT的混合型防火墙在城市防控体系中的设计与实现
12.
Research and Design of SIP-Based Multimedia Communication Traversing NAT/Firewall;
基于SIP的多媒体通信穿越NAT/防火墙技术的研究和实现
13.
The Design and Implementation of NAT in Giga-Bit Firewall Based on NP;
基于网络处理器的千兆防火墙中NAT的设计与实现
14.
Firewalls and Proxies (2)
防火墙与代理（2）
15.
Firewalls and Proxies (1)
防火墙和代理（1）
16.
The first line is the firewall.
第一道防线是防火墙。
17.
A fireproof wall used as a barrier to prevent the spread of fire.
防火墙，隔火墙作为一道屏障阻止火蔓延的防火的墙
18.
Design and Implementation of ISDNIAD Firewall;
ISDNIAD防火墙的设计与实现