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Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 1.1.4322)

In web server log file, last field contains above information i.e. user agent. But here .NET CLR 2.0.50727; .NET CLR 1.1.4322 mentioned 2 version. From which version the web user has requested the web page? Why 2 version of .NET are mentioned here?

Shree
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It is possible to have more than one .NET CLR installed on a machine.
CLR + libraries and tools = .NET Framework

This UserAgent String indicates that both are installed - the request is sent by the browser that identified it self with this UA.

See for https://www.google.com/search?q=user+agent+string+.Net+CLR

PaulEdison
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  • But from which .NET version the user has requested the page? – Shree Nov 25 '18 at 04:03
  • The user requested the page with a web browser. That browser send that user agent string that indicates what CLRs are installed. Why do you think that it was a .NET application that? (If a proposed answer answers the question please mark it as such (for all your questions)) – PaulEdison Nov 25 '18 at 13:50