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June 2007 - Posts

Thursday, June 28, 2007 10:14 AM

Trusted Proxy Servers Can Appear to be Launching Flood or DoS Attacks

When users in a large organization simultaneously access a Web server published by ISA Server through a single proxy server in their organization, their requests are all sent to your ISA Server computers from the IP address of the organization’s proxy
Posted by isablog | 1 Comments
Monday, June 25, 2007 8:26 PM

RPC over HTTP Logging Wildness

Microsoft ® Outlook ® Web Access publishing is one of the most common publishing scenarios and so is the usage of RPC over HTTP for Outlook Anywhere to allow clients in the field to access their mailboxes. When troubleshooting RPC over HTTP issues, you
Posted by isablog | 5 Comments
Sunday, June 24, 2007 8:20 PM

ISA on a Virtual Server host does not protect the guest machines

If you're running Virtual Server (or Virtual PC), and have some guest machines connected to the Internet, you probably don't want to leave them unprotected. You may think that installing ISA on the host machine would protect the guest machines. But it
Posted by isablog | 6 Comments
 
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