The ProxySG indicates a content encoding error when downloading a file.
A website or page is returning a content encoding error.
After setting a block policy on executable files, the ProxySG blocks files with a multi-encoded file extension (such as xxxx.tar.gz.enc), and displays an exception page when attempting to perform a file download.
ProxySG exception page example:
This issue is typically caused by the OCS presenting a content encoding header of one type, but then encoding the data differently.
Workaround 1: Remove the Accept-Encoding header from outbound responses. The OCS admin should also be made aware that they are delivering incorrect data.
Here are three ways to approach the issue.
#1. Modify the Accept-Encoding header via policy.
This will have the affect of removing/suppressing the client/browser's request header Accept-Encoding.
#2. Bypass cache for this site.
1. Add a new rule at the top of the web access layer.
2. Install policy
This will have the affect of removing/supressing the client/browser's request header Accept-Encoding.
#3 Use a bypass cache CPL :
Workaround 2: Disable the http.response.apparent_data_type policy rule.
Workaround 3: Contact the site administrator and request that she/he stops sending the Content-Encoding header.
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