Date: Mon, 24 Jul 2000 09:05:39 -0600 (MDT) From: Nick Rogness <nick@rapidnet.com> To: "Roberto Nunnari, AGIE" <roberto.Nunnari@agie.ch> Cc: net@freebsd.org Subject: Re: gateway strange behaviour for telnet and ftp Message-ID: <Pine.BSF.4.21.0007240847310.66844-100000@rapidnet.com> In-Reply-To: <397C6440.37253C6C@agie.ch>
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On Mon, 24 Jul 2000, Roberto Nunnari, AGIE wrote:
>
> But why it behaves that way only for telnet/ftp/nfs?
When you telnet to a host on your network, the telnetd daemon
running on that machine, issues a (PTR) request to your name
server asking for name of the host connecting.
A good test would be using nslookup:
# nslookup
Default Server: ns1.domain.com
Address: 192.168.1.1
> 192.168.1.2
Server: ns1.domain.com
Address: 192.168.1.1
*** ns1.domain.com can't find 192.168.1.2: Non-existent host/domain
If that request makes your nameserver dial, you know you have
found your problem.
Solution: Either add entries in all of your /etc/hosts (or
equivilent hosts file) or add a in-addr-arpa zone in your
nameserver:
zone "1.168.192.IN-ADDR.ARPA" {
blah blah
allow-query { 192.168.1/24; };
};
Nick Rogness
- Drive defensively. Buy a tank.
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