Access to Ebay.com affected by Sophos scan engine running on ProxyAV

Solution

Overview

When scanning internet traffic through ProxyAV running the Sophos scan engine users will see a "decode/decompression" error when accessing My Ebay on Ebay.com.  This problem might manifest itself on other Ebay.com pages.

Cause
Resolution

Initial analysis of the issue shows that some objects on Ebay.com are improperly compressed and Sophos has an issue uncompressing these objects.  Sophos has been contacted about this issue and they plan on including a fix for this issue in the 3.16 update at the beginning of February.

Until then here are a few workarounds:

1.  Do no scan traffic from Ebay. com using the following policy:

<cache>

url.domain=ebay.com response.icap_service(no)

2.  Change AV vendors from Sophos to McAfee or Kaspersky.

3.  In the ProxyAV management console go to Antivirus->Scanning Behavior and change the "decode/decompress error" to serve.

Workaround
Additional Information
Bug Number
InQuira Doc IdKB4223
Attachment

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