On 2016-01-01 23:28, Alex Samad wrote:
Hi
I installed 3.5.12 and when I try and get to a page that is blocked. I
used to get an message page that said contact the admin person.
trying to get to
http://bcp.crwdcntrl.net/squid-internal-static/icons/SN.png
This is part of the error generated
The following error was encountered while trying to retrieve the URL:
http://alcdmz1:3128/squid-internal-static/icons/SN.png
alcdmz1 is the proxy server
I seemed to have blocked access to all error messages. not sure how as
I haven't made any changes except upgrading to .12 from .11
We fixed the Host header output on CONNECT requests to cache_peer
between those versions. That is likely the reason it has started being
visible.
The above URL is just an icon being served up by your Squid as part of
the page display. The main error page text should have been sent as the
body of the original 403 message itself.
Your http_access rules are the things rejecting it. Note that it
contains the squid listening domain:port (alcdmz1:3128 or
bcp.crwdcntrl.net:80) which your proxy machine is configured to announce
publicly as its contain domain / FQDN.
The squid service needs to be publicly accessible at that domain:port
that it is advertising as its public FQDN for this icon request to
succeed. That means making the server hostname, or visible_hostname
something that clients can access directly - and unique_hostname the
private internal name the Squid instance uses to distinguish itself from
other peers on the proxy farm.
Amos
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