[squid-users] Refresh ACL list only

Samuel Anderson sam at idsdoc.com
Tue Mar 17 18:34:16 UTC 2015


Thanks, I'll look into using haproxy.

On Tue, Mar 17, 2015 at 12:31 PM, Brendan Kearney <bpk678 at gmail.com> wrote:

> On Wed, 2015-03-18 at 00:08 +0600, Yuri Voinov wrote:
> > Brendan reads my thoughts. :)
> >
> > You can, of course, use two or more squid instances and Cisco with
> > configured WCCP protocol before it. WCCP can plays with several cache
> > instances in load balancing role. Running squid at this moment sends
> > "here I am" messages to WCCP-enabled router, which will redirect
> > traffic on alive cache. The same time you can reconfigure second squid
> > instance a visa versa.
> >
> > 18.03.15 0:00, Brendan Kearney пишет:
> > > On Tue, 2015-03-17 at 11:59 -0600, Samuel Anderson wrote:
> > >> Unfortunately thats not really an option for me. I've already
> > >> built everything just using squid. It works great and does
> > >> everything I need it to do with the exception of refreshing the
> > >> ACL lists. I just need to find a way to refresh those single
> > >> lists without disrupting Internet traffic to the users. If anyone
> > >> knows how to do this I would greatly appreciate it.
> > >>
> > >> On Tue, Mar 17, 2015 at 11:39 AM, Yuri Voinov
> > >> <yvoinov at gmail.com> wrote:
> > > Did you hear about rewriters and filters? I.e., squidGuard, or
> > > Dansguardian? Or, of course
> > > https://www.urlfilterdb.com/products/ufdbguard.html ? It has
> > > separate server process which can be restart VERY quickly
> > > independently of squid.
> > >
> > > 17.03.15 23:35, Samuel Anderson пишет:
> > >> Hello all,
> > >
> > >> Does anyone know of a way to reload a single ACL list? I
> > > have a
> > >> very complicated and large config file that takes around 30
> > > seconds
> > >> to reload when I run the (squid3 -k reconfigure) command. I
> > > have
> > >> several ACL lists that need to be updated throughout the day
> > > and it
> > >> would be nice if I could only reload those ACL lists and not
> > > the
> > >> entire config. Its problematic because while its reloading,
> > > the
> > >> server is effectively down and disrupts Internet access for
> > > the
> > >> rest of the users. Below is a small sample of the lists that
> > > will
> > >> be updated. If I could add a TTL to the lists so squid would
> > > reload
> > >> them periodically without a full reconfigure would be ideal.
> > >
> > >
> > >
> > >> acl GLOBAL-WHITELIST dstdomain
> > >> "/etc/squid3/whitelists/GLOBAL-WHITELIST" acl
> > >> UNRESTRICTED-WHITELIST dstdomain
> > >> "/etc/squid3/whitelists/UNRESTRICTED-WHITELIST" acl
> > > DEV-WHITELIST
> > >> dstdomain "/etc/squid3/whitelists/DEV-WHITELIST" acl
> > >> SALES-WHITELIST dstdomain
> > > "/etc/squid3/whitelists/SALES-WHITELIST"
> > >
> > >
> > >> Thanks
> > >
> > >
> > >
> > >
> > >> _______________________________________________ squid-users
> > > mailing
> > >> list squid-users at lists.squid-cache.org
> > >> http://lists.squid-cache.org/listinfo/squid-users
> > >
> > >> _______________________________________________ squid-users
> > >> mailing list squid-users at lists.squid-cache.org
> > >> http://lists.squid-cache.org/listinfo/squid-users
> > >>
> > >>
> > >>
> > >>
> > >> -- Samuel Anderson  |  Information Technology Administrator  |
> > >> International Document Services
> > >>
> > >>
> > >> IDS  |  11629 South 700 East, Suite 200  |  Draper, UT
> > >> 84020-4607
> > >>
> > >>
> > >>
> > >> CONFIDENTIALITY NOTICE: This e-mail and any attachments are
> > >> confidential. If you are not an intended recipient, please
> > >> contact the sender to report the error and delete all copies of
> > >> this message from your system.  Any unauthorized review, use,
> > >> disclosure or distribution is prohibited.
> > >> _______________________________________________ squid-users
> > >> mailing list squid-users at lists.squid-cache.org
> > >> http://lists.squid-cache.org/listinfo/squid-users
> > >
> > > do you have the luxury of multiple squid instances behind a load
> > > balancer?  mark one offline at the LB, reconfigure, mark online at
> > > the LB.  Lather, rinse, repeat.
> > >
> > > _______________________________________________ squid-users mailing
> > > list squid-users at lists.squid-cache.org
> > > http://lists.squid-cache.org/listinfo/squid-users
> > >
> > _______________________________________________
> > squid-users mailing list
> > squid-users at lists.squid-cache.org
> > http://lists.squid-cache.org/listinfo/squid-users
>
> i use haproxy to load balance 2 squid instances.  using this:
>
>
> http://serverfault.com/questions/249316/how-can-i-remove-balanced-node-from-haproxy-via-command-line
>
> you should be able to setup a process to mark you boxes offline, at
> will, thereby allowing you to reconfigure your instances.
>
> _______________________________________________
> squid-users mailing list
> squid-users at lists.squid-cache.org
> http://lists.squid-cache.org/listinfo/squid-users
>



-- 
Samuel Anderson  |  Information Technology Administrator  |  International
Document Services

IDS  |  11629 South 700 East, Suite 200  |  Draper, UT 84020-4607

-- 
CONFIDENTIALITY NOTICE:
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delete all copies of this message from your system.  Any unauthorized 
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