Re: [squid-users] Ignore requests from certain hosts in access_log

Baird, Josh wrote:
> Amos,
>
> Do you think that what I am trying to achieve is possible?

Yes. Do exactly the same myself with a simple !aclname at the end of
access_log directives.

I can't figure out why neither that nor the longer log_access is working
for you.

Amos

> -----Original Message-----
> From: Baird, Josh
> Sent: Tuesday, March 16, 2010 9:25 AM
> To: Amos Jeffries; squid-users_at_squid-cache.org
> Subject: RE: [squid-users] Ignore requests from certain hosts in access_log
>
> Hi Amos,
>
> Same results. Nothing coming from the load balancers is being logged (even requests using X-Forwarded-For). Here is my configuration:
>
> acl loadbalancers src x.x.x.y/255.255.255.255
> acl loadbalancers src x.x.x.z/255.255.255.255
>
> follow_x_forwarded_for allow loadbalancers
> log_uses_indirect_client on
> acl_uses_indirect_client on
>
> # Define Logging (do not log loadbalancer health checks)
> access_log /var/log/squid/access.log squid
> log_access deny !loadbalancers
>
> Without the "log_access" directive enabled, all requests are logged using their X-Forwarded-For source address:
>
> 1268749629.423 354 172.26.100.23 TCP_MISS/200 1475 GET http://webmail.blah.net/? - DIRECT/72.29.72.189 text/plain
>
> These are the types of requests that I am trying to prevent from being logged:
>
> 1268749630.481 0 x.x.x.y TCP_DENIED/400 2570 GET error:invalid-request - NONE/- text/html
>
> (where x.x.x.y is the load balancer, and the request is a "health check" of the web proxy service)
>
> Thanks,
>
> Josh
>
> -----Original Message-----
> From: Amos Jeffries [mailto:squid3_at_treenet.co.nz]
> Sent: Monday, March 15, 2010 6:52 PM
> To: squid-users_at_squid-cache.org
> Subject: Re: [squid-users] Ignore requests from certain hosts in access_log
>
> On Mon, 15 Mar 2010 12:15:49 -0500, "Baird, Josh" <jbaird_at_follett.com>
> wrote:
>> Ok, that sort of worked. I have a pair of load balancers sitting in
>> front of my Squid proxy farm. The load balancers insert the
>> X-Forwarded-For header into each HTTP request which allows Squid to log
>> their connections using their real client source IP (extracted from
>> X-Forwarded-For). In reality, the connections to the squid servers are
>> being made directly from the load balancers.
>>
>> When I use log_access to deny logging to the load balancer's IP
>> addresses, -nothing- gets logged to access_log. I am attempting to not
>> log the "health HTTP checks" from 10.26.100.130/10.26.100.131 but still
>> log the other traffic. It doesn't seem that log_access is
>> X-Forwarded-For aware? Any ideas?
>>
>> acl loadbalancers src 10.26.100.130/255.255.255.255
>> acl loadbalancers src 10.26.100.131/255.255.255.255
>> log_access deny !loadbalancers
>
> Ah, you will require these as well:
> # to trust what the load balancers report for XFF
> follow_x_forwarded_for allow loadbalancers
>
> # to use the XFF details in the logs
> log_uses_indirect_client on
>
> # to use the XFF details in ACL tests
> # telling loadbalancer generated requests from relayed
> acl_uses_indirect_client on
>
>
> Amos
Received on Fri Mar 19 2010 - 23:55:28 MDT