Re: Annoying delays appeared while connecting to the server

From: Mark Andrews (Mark_Andrews_at_isc.org)
Date: 06/24/04

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    To: Doug White <dwhite@gumbysoft.com>
Date: Thu, 24 Jun 2004 14:03:21 +1000

    > On Wed, 23 Jun 2004, Illia Baidakov wrote:
    >
    > > Hello freebsd-stable,
    > >
    > > I noticed it about a week ago. My local hosts have suffering
    > > such delays while connecting to the (imho) tcp-wrapped services,
    > > namely ssh, smtp, mysql.
    > > It looks like the addresses to names resolving. I don't need to resolve m
    > y
    > > local names or addresses now. There was not any delays early.
    > > But they have appeared without any visable reason.
    > >
    > > What could to involve a such system behaviour?
    > > How should I return my system to previous state?
    > >
    > > P.S. I will not want neither to edit the /etc/hosts file nor create
    > > and maintain dns-zones for the internal hosts.
    >
    > I don't see any changes to the tcpwrappers services. Check resolv.conf;
    > maybe one of the listed nameservers is down or unresponsive?
    >
    > You really should have machines in DNS or /etc/hosts, but if you don't
    > want to maintain that, then you suffer the consequences.

            He is also in violation of RFC 1918. You don't have to
            populate the reverse zone. A empty zone (SOA and NS records
            only) will prevent the queries leaking and improve response
            times.

            Why should the rest of the world have to fork out real money
            to run nameservers to sink these bogus queries?

            Mark
    > --
    > Doug White | FreeBSD: The Power to Serve
    > dwhite@gumbysoft.com | www.FreeBSD.org
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    --
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews@isc.org
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