How to disable the Detect Protocol option for Skype


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Solution

Overview

The following CPL disables Detect Protocol for Skype.

<Proxy>
condition=skype detect_protocol(none)

define condition skype
url.host.substring=skype
http.method=CONNECT url.regex="[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}"
end

 

Another option to use is the CPL code  

"url.host.is_numeric=yes" 

instead of the regex.

<Proxy>
condition=skype detect_protocol(none)

define condition skype
url.host.substring=skype
http.method=CONNECT url.host.is_numeric=yes
end


The previous condition is a logical OR so for all numeric hosts protocol detection will be disabled. This must be done for Skype support because the IP address range of Skype varies often. Disabling protocol detection will not allow the proxy to inspect the traffic.

Cause
Resolution
Workaround
Additional Information
Bug Number
InQuira Doc IdFAQ1477
Attachment

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First Published      10/01/2014
Last Modified      03/02/2015
Last Published      03/02/2015
Article Audience
Product      ProxySG
Software      SGOS 6
Topic      Policy
Article Number      000009841
Summary     
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