[转载]Software Firewalls versus Wormhole Tunnels

  文章作者：Bob Rudis, CISSP and Phil Kostenbader, CISSP

Hardware and software firewalls promise to protect your system and your network from the dangers of the Internet, but how well do they really fare against cutting-edge attacks? This article presents some of the major differences between hardware and software firewalls and illustrates the real challenges faced by software firewall vendors.

http://www.securityfocus.com/infocus/1831