Overview:In this report
, I will talk about basic ISA server and Squid Server configurations A lot of technical people switch between ISA server and Squid server, so I just decided to write this report to present some reference when configuring ISA and Squid. There a lot of issues that not covered, and you can go to the manual of ISA server and Squid server for detailed configuration of ISA and Squid. The report is composed from two parts -Microsoft ISA server 2004 ConfigurationLinux -Squid Server Configuration Note that, I could not make simulation because of the lack of resources, as testing firewall configuration requires many computers, with one of them should have many network cards. Also the ISA server is not used in the computer center now.
My conclusion is that, the ISA server can be implemented as a firewall and proxy with wide range of topologies, application filters and intrusion detections. Also the ISA server supports many server publishing scenarios. But implementing the ISA server needs proper topology and configuration of the server, and the firewall clients should be a member of ISA server domain. Squid server can be implemented as proxy server to access http, ftp, gopher and wais sites, although it can block some type of traffics according to the given restriction rules.
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