中国linux论坛:http://www.linuxforum.net/
基于LINUX和IPSec的VPN网关:http://linuxipsecvpn.cosoft.org.cn/
Use of IPSec in Mobile IP:http://www.ir.bbn.com/projects/moips/draft-ietf-mobileip-ipsec-use-00.txt
IBM developer work 技术专栏:http://www.ibm.com/developerworks/cn/
Mobile IP & Security:http://www.ir.bbn.com/projects/moips/moips-index.html
The Portland State University
Secure Mobile Networking Project :http://www.cs.pdx.edu/research/SMN/
Mip4 Working Group Status Pages:http://www.mip4.org/2004/implementations/
Mobile IP v4 and v6 implementations: http://www1.ietf.org/mail-archive/web/mip4/current/msg00488.html
An implementation of Mobile IP under Linux: http://www.hpl.hp.com/personal/Jean_Tourrilhes/MobileIP/index.html
Emacs 中文化指南: http://man.chinaunix.net/newsoft/Emac/book.html
IPSEC using Linux Kernel 2.6: http://www.shorewall.net/IPSEC-2.6.html
周立发的博客,嵌入式linux方向: http://zhoulifa.bokee.com/
Linux Mobile IPv6 HOWTO: http://ldp.dvo.ru/HOWTO/html_single/Mobile-IPv6-HOWTO/
又一个嵌入式开发的博客:http://blog.donews.com/21cnbao
中国的协议方面的网站,有论坛:http://www.cnpaf.net/
http://www.chineselinuxuniversity.net/courses/kernel/books/11639.shtml
深度探索linux内核