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"Content-Encoding: gzip" is stripped by proxy?


When you send an HTTP request through a proxy, and the web site returns an HTTP header like this:

HTTP/1.1 200 OK

Content-Encoding: gzip

There is a chance that line "Content-Encoding: gzip" could be stripped by the proxy.  Here is some research I did if the proxy server is Microsoft ISA Server 2006.

1) There is an article in the official blog:

2) Solutions for different senarios:

A) Forward proxy:

B) Reverse proxy:

3) Some background info, not really relevant though:

4) Extended readings:



5) Similar topic on ISA Server 2004 SP2:

A) Symptom:

B) Solution:

C) Background Info:

D) Extended reading:

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