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Re: Re: cache peer communication about HIT/MISS between squid and and non-squid peer

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i was just working on something about the cache again and i have seen some ICP code so one of them was a ICP server on perl that can be manipulated for the sole purpose of this non-squid peers such as apache and nginx.

http://mirrors.xservers.ro/CPAN/authors/id/M/MH/MHAMILTON/WebCache-ICP-1.00.tar.gz

it has two scripts in it and the jellyfish.pl is the ICP server.


Eliezer


On 07/05/2012 10:48, x-man wrote:

Amos Jeffries-2 wrote


Waking up;
    fully internally to Squid we have the X-Cache: header at present
being emitted with HIT/MISS details. You may be able to setup a
rep_header_regex ACL the scans for HIT and your upstream cache name.
Used on tcp_outgoing_tos to set TOS value. This is not a completely
reliable header though, there will be some false matches or failures
using it at present and future plans are to remove it from most traffic.

Amos


Hi Amos, I think you should be talking about the clientside_tos because this
is what I need (marking the packets from squid to users).

I had to patch my squid and recompile it because I was using 3.1.19 ubuntu
version, which had the bug - not working clientside_tos (thanks to mailing
list I found info about it) - so I did it and clientside_tos feature is now
working as a whole.

Now, I'm trying to setup a rep_header ACL but I got some errors like:

2012/05/07 13:13:20.795| ACL::checklistMatches WARNING: 'hit' ACL is used
but there is no HTTP reply -- not matching.

So my packets are not marked...

here is part of the config:

acl hit rep_header X-Cache HIT
clientside_tos 0x30 hit

What does this error means?

Anyway I can solve this issue?

Thanks in advance for your valuable help.


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--
Eliezer Croitoru
https://www1.ngtech.co.il
IT consulting for Nonprofit organizations
eliezer <at> ngtech.co.il


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