How do I do that without losing forwarded DNS requests? When I stop and start named to adjust the tables, any current DNS request from client machines will be lost... Another problem -- I fixed it so I was primary for the network and lookups on the host no longer cause a connection to the Internet, but telnet requests still do... I heard somewhere that this is caused by a bug in the telnet server? Can anybody confirm this? If so, where do I get an updated copy of telnet server? If not, how do I make it quit?
-----Original Message----- From: The Thought Assassin [SMTP:[EMAIL PROTECTED] Sent: Sunday, April 12, 1998 4:29 PM To: debian-user@lists.debian.org Subject: Re: Reverse DNS lookup at telnet On Sun, 12 Apr 1998, Scott D. Killen wrote: > I run a server with Debian 1.3.1 installed. This machine is set up as an > internet gateway to a 3 bit subnet. Diald is installed for automatic > dialup internet connections. My machine runs a caching name server that > the machines on the subnet use as a nameserver. The problem is that when I > telnet from a machine on the subnet, the server does a reverse lookup of > the connecting machine's IP address, but it can't answer it's own request > so the Internet link goes up. This makes telnet connections very slow... > especially if the dialup connection doesn't work. > How can I solve this problem? I want to either stop doing reverse lookups > when answering telnet requests, or, ideally, I want to set up bind so it > can answer reverse lookups for addresses on my subnet.... What you appear to want is for your machine to be the primary DNS for reverse lookups on your ISP's subnet (reverse lookups are delegated in no finer granularity then 8bit blocks if I am not very much mistaken) when the link is down, and for it to be a secondary when the link is up. If this is indeed what you want, then use /etc/ppp/ip-up and /etc/ppp/ip-down to effect this change. -Greg Mildenhall -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
