This book contains all the information a network administrator needs to know about choosing, administering, and deploying a firewall.

Internetworking protocols and standards; basic connectivity; cryptography - is it enough?; firewalling challenges - the basic web; firewalling challenges - the advanced web; the APIs security holes and its firewall interactions; what is an internet/intranet firewall after all?; how vulnerable are Internet services; setting up a firewall security policy; putting it all together - firewall design and implementation; proxy servers; firewall maintenance; firewall toolkits and case studies; types of firewalls and products on the market.