Re: [squid-users] Invalid Requests in access.log

wh_at_msdrd.com wrote:
> Amos,
>
> How can I fix it? How do I add the "use extension_methods" option?
>

May not need fixing.
http://www.squid-cache.org/Doc/config/extension_methods/

>
>
> -------- Original Message --------
> Subject: Re: [squid-users] Invalid Requests in access.log
> From: Amos Jeffries <squid3_at_treenet.co.nz>
> Date: Sun, December 14, 2008 11:50 pm
> To: wh_at_msdrd.com
> Cc: squid-users_at_squid-cache.org
>
> wh_at_msdrd.com wrote:
>> Hello.
>>
>> I was looking in my access.log file, again, and found other wierd stuff,
>> again, the log is full of stuff like these:
>>
>> 2008/12/14 22:40:25| clientProcessRequest: Invalid Request
>> 2008/12/14 22:40:32| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|10117]
>> '
>> 2008/12/14 22:40:32| clientProcessRequest: Invalid Request
>> 2008/12/14 22:40:39| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|02519]
>> '
>> 2008/12/14 22:40:39| clientProcessRequest: Invalid Request
>> 2008/12/14 22:40:46| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|86755]
>> '
>> 2008/12/14 22:40:46| clientProcessRequest: Invalid Request
>> 2008/12/14 22:40:54| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|43887]
>> '
>> 2008/12/14 22:40:54| clientProcessRequest: Invalid Request
>> 2008/12/14 22:41:01| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|34635]
>> '
>> 2008/12/14 22:41:01| clientProcessRequest: Invalid Request
>> 2008/12/14 22:41:08| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|84846]
>> '
>> 2008/12/14 22:41:08| clientProcessRequest: Invalid Request
>> 2008/12/14 22:41:15| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|13599]
>> '
>> 2008/12/14 22:41:15| clientProcessRequest: Invalid Request
>> 2008/12/14 22:41:22| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|60428]
>> '
>> 2008/12/14 22:41:22| clientProcessRequest: Invalid Request
>> 2008/12/14 22:41:29| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|99030]
>> '
>> 2008/12/14 22:41:29| clientProcessRequest: Invalid Request
>> 2008/12/14 22:41:36| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|02937]
>> '
>> 2008/12/14 22:41:36| clientProcessRequest: Invalid Request
>> 2008/12/14 22:41:43| clientParseRequestMethod: Unsupported method in
>> request 'NICK [M|CRI|XP|50998]
>> '
>> 2008/12/14 22:41:43| clientProcessRequest: Invalid Request
>>
>>
>> What is all that? Is someone trying to hack the system or what?
>
> Someone is trying to use SIP or similar software through your proxy.
>
> A transparently intercepting proxy may expect to see that nowdays as
> more non-HTTP software are using the only unblocked port available.
>
> If you don't use interception, then the client may be broken or your
> squid may need to use extension_methods for them.
>
> Amos

-- 
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