MS ISA server 2000 & Web publishing reverse caching

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Background: ISA server 2000 setup as firewall/proxy and web publishing has been established. My problem is as follows: Changes are made to the "published web pages" but these changes don't get published to the internet on a timely basis. Sometimes, it takes a couple of days before the changes are actually published. Question: Is there a way to have ISA automatically update the web publishing cache on a more frequent schedule? Or where can I change the TTL setting so ISA will go back to the web server more often? My teachers are desperate because they never know whether the page has been updated and they are posting assignments, etc. that is time critical. Any assistance would be greatly appreciated. Below the dotted line is Microsoft's blurbage about ISA Web Publishing. ------------ Microsoft Internet Security and Acceleration (ISA) Server uses Web publishing rules to relieve the concerns associated with publishing Web content to the Internet without compromising internal network security. Web publishing rules determine how ISA Server should intercept incoming requests for Hypertext Transfer Protocol (HTTP) objects on an internal Web server and how ISA Server should respond on behalf of the Web server. Requests are forwarded downstream to an internal Web server, located behind the ISA Server computer. If possible, the request is serviced from the ISA Server cache. Web publishing rules essentially map incoming requests to the appropriate Web servers behind the ISA Server computer.

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Two quick possibilities – 1st is the web publish rules configuration is not set to check for updated pages. 2nd is the ‘expiration’ or your phrase ‘TimeToLive’ setting on the individual pages. This is in the HTML header and probably created by whatever template you are using.

reference this article on MS

Another good source is

Good luck.

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  • Jcan123
    Agree with Howard2nd. ISA checks the web pages to see if a newer version is present. This of course only works if a Timevalue is added to the header of the HTML page. So you should look at the design of the webpages in question.
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