Problem resolving name.
barmar at alum.mit.edu
Thu Nov 11 13:57:00 UTC 2004
In article <cmvokn$1c3v$1 at sf1.isc.org>,
"Fabiano Silos Reis" <fsilos at ig.com> wrote:
> > I=B4m using bind version 9.3.0 configured as a dns cache server. I=B4m
> > experiencing a strange situation here and I have no idea if it is a
> > bug issue or not. Just wanna some help from you gurus... When I try
> > to resolve www.jfce.gov.br <http://www.jfce.gov.br/> using this dns
> > server I receive a timeout response. I traced this query using debug
> > level 99. Do anyone have any clue of what I s going on? =20
> > 10-Nov-2004 12:21:34.351 dispatch 0x81f1f38 response 0x821e578
> > 126.96.36.199#53: attached to task 0x81f9f88
> > 10-Nov-2004 12:21:34.351 resquery 0x821f3e8 (fctx=20
> > 0x821ad58(www.jfce.gov.br/A)): sent
> > > It has found 188.8.131.52, which is one of the nameservers for =
> > 10-Nov-2004 12:21:36.351 dispatch 0x81f1f38 response 0x821f6d0 =
> 184.108.40.206#53: attached to task 0x81f9f88
> > > And 220.127.116.11 is the other one, so looks like a problem between
> > > your server and those two. Can you query them directly, eg
> > > dig @18.104.22.168 www.jfce.gov.br. a +norec
> > >I can from here. Ah, but not if I use port 53 as the query-source,
> > > so could be their firewall is refusing queries from port 53.
> Hi Ronan,
> Firewall? Hmm, do you know some tool to make dns request choosing the =
> port for the query-source?
You can put a port number in the query-source option in named.conf. By
default, it picks an unused high port.
With dig, you can specify a source port using '-b
Barry Margolin, barmar at alum.mit.edu
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