Re: [squid-users] How to: eliminate Squid messages error to my clients

Never used them myself as yet, but if you scan through the squid.conf file
you'll notice that you can declare custom error messages for the errors that
squid can report back to the browser. I guess you could get Squid to
display a blank page for all errors which is kind of what you're after.

Personally, I'd be curious to know what you aim to acheive as it'll make
trouble-shooting very time consuming as you may be forced to look through
squid's log files to trace problems which may be easier solved from the
browser error message eg 'Unable to resolve domain' is a very useful message
for users to see, especially ones with bad typing skills whove typed the URL
incorrectly. If they see no error message then how do they know what has
gone wrong?

Regards,

nry

>
>On Mon, 3 Nov 2003, NAP wrote:
>
> > I have installed Squid-2.5.STABLE4 on FreeBSD 5,1 and I am very happy.
>But I need to eliminate that Squid gives messages of error to my users.
>
>Basically you can't. By HTTP specification a proxy (i.e. Squid) MUST give
>some kind of response back to the client once the client has sent the
>request to the proxy.
>
>There is many things which differ when using a proxy compared to when not
>using a proxy. How most errors is detected and displayed to the user is
>one such thing. When not using a proxy errors is always detected by the
>browser (host not found, could not connect to host etc) and presented in
>various manners as the browser vendor seems fit, but when using a proxy
>almost all these errors are detected by the proxy and the proxy needs to
>send a message back to the browser explaining what happened. It is not
>technically possible to cause all errors to be detected by the browser
>like when not using a proxy.
>
>There is however methods you can use to minimize the amount of errors. One
>quite effective such measure is to make sure that unknown hosts is
>detected by the browser before sending the request to the proxy. Such
>detection can be done via proxy-pac scripts trying to resolve the IP
>address of the requested server and indicating that the browser should go
>direct if the IP address can not be found. Unfortunately I do not have the
>exact syntax of how to do such check in a pac script but I am pretty sure
>there is others on this list who do.
>
>Regards
>Henrik
>

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Received on Mon Nov 03 2003 - 13:31:04 MST