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New Member

Sig:15 Protocol Violation

I am having an issue with my remote sites using 1811 routers. With the "Detect noncompliant HTTP traffic" option checked under application security, they are unable to go to yahoo.com and I see the Sig:15 Protocol violation when they attempt. Any suggestions?

5 REPLIES
Silver

Re: Sig:15 Protocol Violation

Can you disable the HTTP inspection and try again,

Regards,

New Member

Re: Sig:15 Protocol Violation

Yes, I have it disabled at the moment and there is not a problem getting to yahoo with it disabled. I am wondering why it would do this though. Thanks for the reply.

New Member

Re: Sig:15 Protocol Violation

Check where you have applied your HTTP inspection policy. Typically HTTP is inspected inbound on the WAN or ISP link.

New Member

Re: Sig:15 Protocol Violation

OK this is the default configuration, and it is only associated with FE0 outbound which is the ISP connection. It will allow me to associate it with inbound but will not let me deselect outbound. I changed it using the CLI. Odd though that the SDM still shows it associated with FE0 out instead of in. Thanks for the response.

Silver

Re: Sig:15 Protocol Violation

Good to know that this solved the problem. DO you have the latest Cisco PIX IOS 6.3(4)?

Try upgrading to this version maybe the problem will be solved.

Please rate the post if I could help,

Thanks,

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