*BSD News Article 76670


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From: Blaz Zupan <blaz.zupan@medinet.si>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: ppp -auto and netscape
Date: Thu, 22 Aug 1996 20:44:41 +0200
Organization: Nil
Lines: 31
Message-ID: <321CAA99.3F54BC7E@medinet.si>
References: <321BAA89.2781E494@IAEhv.nl>
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Mime-Version: 1.0
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X-Mailer: Mozilla 3.0 (X11; I; FreeBSD 2.1.5-RELEASE i386)
To: Rob van Vliet <rvv@IAEhv.nl>

Rob van Vliet wrote:
> I run FreeBSD 2.1.5 and "ppp -auto ISP", no named.
> Every time I start Netscape 3.0b6 the ppp program starts dialing out,
> while there's no reason for a connection, as far as I can see.
> Anybody experienced this problem as well?
> Any idea what's the reason for this behaviour?

Yep, the problem is that navigator resolves something with
DNS (probably the name of your machine) and this is what
triggers ppp to dial.

If you put this in your ppp.conf it shouldn't happen anymore:

set dfilter 0 deny udp dst eq 53
set dfilter 1 permit 0/0 0/0

This blocks port 53 (the DNS port) from triggering a dial.
Unfortunatelly when you do this netscape doesn't start up
at all :( I'm not quite sure what one could do about this,
maybe setting up your own nameserver with enough data
to keep netscape happy would do it.

If you get any useful answers by mail, I'd like to
get them, too :)

Blaz


-- 
Blaz Zupan, blaz.zupan@medinet.si, http://www.medinet.si/~blaz
Medinet d.o.o., Linhartova 21, 2000 Maribor, Slovenia