Technical Alerts

Akamai traffic is blocked as Malicious Sites when using SmartFilter

Technical Alerts ID:    TFA52
Version:    1.0
Status:    Published
Published date:    12/16/2010
 

Affected products and versions

ProxySG with SmartFilter as the content filter provider

Problem description

 A popular Content Delivery Network, Akamai, had one of their URLs categorized under the "Malicious Sites" category in the SmartFilter content filter database.  The specific version of the database which contains that error is not known at this time, nor is it known if Secure Computing (the vendor who provides SmartFilter) is aware of the issue or has a change coming.

Status

 This is not an issue with any Blue Coat product, but if the Malicious Sites category is blocked users may receive a block page which may have Blue Coat styles.

Workaround

The following Local policy can be added to mitigate this issue:

<proxy>
url.domain=a248.e.akamai.net url.category="Malicious Sites" allow



The above policy does not take into account any authentication or other rules, so use it only until the incorrect category is corrected by a normal SmartFilter update.


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