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Thanks Henrik,

this seems to work. What exactly do you mean with "quite well (but not
100%)"?
Would you consider this workaround fit for use in a production environment
(about 1000 users)?

Regards

Horst





Henrik
Nordstrom An: Horst.Mundt@arxes.de
squid-users@squid-cache.org
he.org> Thema: Re: [squid-users] http_reply_access & LDAP external acl

21.04.2004
18:09






On Wed, 21 Apr 2004 Horst.Mundt@arxes.de wrote:

> It seems like the problem only occurs in conjunction with the
> http_reply_access.
>
> Any ideas? (My current workaround is a script that reads the admins group
> from the LDAP-directory and writes the members into a file. Told squid

to
> read the "admins" acl from the file instead of the LDAP-directory. That
> basically works but is not really elegant )



http_reply_access is somewhat limited in Squid-2.5 in that it cannot wait
for any form of external lookup to complete (external, dns etc).

You can work around this quite well (but not 100%) by making sure the same
acls is evaluated in http_access, allowing Squid to cache the result
before processing your http_reply_access rules. A simple method to have
acls evaluated in http_access without affecting the http_access outcome is
to use combine them with a dummy acl that will never match anything


acl nothing src 0.0.0.0/32

http_access deny acl_that_needs_to_be_evaluated nothing


somewhere before where access is allowed..

Regards
Henrik






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