Re: [squid-users] Squid does not accept funny character in the domain?

From: Duane Wessels <>
Date: Thu, 5 Feb 2004 20:07:42 -0700 (MST)

On Fri, 6 Feb 2004, Hwee Khoon, Neo wrote:

> Hi, I am using squid 2.5S4. I ca'nt access sites like
> http://` which has the "`" character in the domain. I
> understand from the FAQ that underscore are not allowed, and the solution
> calls for the using of ./configure --enable-underscores does not seems like
> a possible solution.
> I've tried and found that if I am bypassing squid using direct telnet, the
> following get request would work:
> What I find strange is that IE can retrieve the site if it goes direct, but
> if it is going thru Squid it fails. Is'nt the browser tasked with generating
> the GET request headers before passing thru the proxy? If that's the case,
> the browser should be telling Squid that the domain is
> and the host is `, just like it did by going direct to the
> site.

Squid does sanity checks on domain names as a security feature.

You can disable those checks by giving the --disable-hostname-checks
when running ./configure.

Duane W.
Received on Thu Feb 05 2004 - 20:07:43 MST

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