Re: [squid-users] squid 3.2.2: external_acl_type why ttl is not working

On 13/10/2012 9:35 p.m., David Touzeau wrote:
> Dear
>
> As i understand, TTL in external_acl_type force Squid to cache a
> positive answer from the external process.
> In my case it seems that the TTL is not used and squid query the
> helper on each request.
>
> Did i miss something ?

Each unique expansion of your "%SRC %SRCEUI48 %>{X-Forwarded-For} %URI"
format requires a new lookup. TTL only aplies if there are 2+ identical
expansions occuring within the TTL period.

You also may have hit a bug where cache=0 is being set for some reason.
The default should be 256K entries

>
> external_acl_type SplashScreenAuthDef ttl=120 negative_ttl=0
> children-startup=5 children-idle=5 ipv4 %SRC %SRCEUI48
> %>{X-Forwarded-For} %URI
> /usr/share/artica-postfix/external_acl_squid.php --splash
> session-time=120
> acl SplashScreenAuthAcl external SplashScreenAuthDef
> acl SplashPage dst 192.168.1.127
> deny_info http://192.168.1.127?request=%o SplashScreenAuthAcl
>
> http_access deny !SplashPage !SplashScreenAuthAcl
>
> Best regards.
>

Amos
Received on Sun Oct 14 2012 - 06:38:00 MDT