On 7/05/20 4:11 am, Ahmad Alzaeem wrote:
> Hello Floks ,
>
>
> We have squid 4.x
>
> We need to debug the user agents being sent from our local network .
>
> We added :
> logformat useragent %>a [%tl] "%{User-Agent}>h"
> access_log stdio:/var/log/squid/${service_name}-useragent.log useragent
>
The only thing wrong with that config is that the "useragent" is a
built-in logformat name. Do not re-define it.
If you want any differences to the built-in, use a different name for
your custom format.
>
> But out logs only logs as below :
>
>
> 12.14.49.200 [06/May/2020:12:09:56 -0400] "-"
...
>
> It seems to be “-“ , Not the useragent we suppose to see .
>
What makes you think those transactions have User-Agent headers?
The '-' means no such header present.
>
> How can we let squid debug the incoming user agent and the outgoing user agent what go out to the website ?
>
You can try this to see what the headers actually contain.
logformat ualog %>a [%tl] "%{User-Agent}>h" "%>h"
access_log stdio:/var/log/squid/${service_name}-useragent.log ualog
If the string with full headers contain 'User-Agent:' when "-" is
displayed first there is a bug, otherwise it is just your expectation
being incorrect.
Amos
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