Date: Wed, 15 Jan 1997 17:17:37 -0800 (PST) From: Ulf Zimmermann <ulf@Alameda.net> To: mrcpu@cdsnet.net (Jaye Mathisen) Cc: hackers@FreeBSD.ORG Subject: Re: Underscore in domainname? Message-ID: <199701160117.RAA03491@Gatekeeper.Lamb.net> In-Reply-To: <Pine.NEB.3.95.970115160009.23098x-100000@mail.cdsnet.net> from Jaye Mathisen at "Jan 15, 97 04:04:15 pm"
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>
>
> I'm using squid as a proxy server under FreeBSD-current, and a few of our
> users are having trouble wiht www.mcafee.com, which is a CNAME for
> sc_axp2.mcafee.com.
>
>
> The _ is apparently causing the problem, as other hosts with _'s kill
> squid as well. BIND seems to think that anybody with an _ in their name
> is bogus, or at least, no response is ever authoritative.
>
> (I'm using BIND 4.9.5 on my main nameserver).
>
> If I had a better way to narrow this down, I would. Any tip appreciated.
_ is not an allowed character for domain names. Bind 4.9.4 and up are enforcing this rule. You can change this behavior. Look for check-names in your man page.
Ulf.
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Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936
Alameda Networks, Inc. | http://www.Alameda.net
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