Aaaahhh... THAT makes sense :) I tried to recreate the 'scene', but I couldn't, and I thought I had seen something wrong; Now that makes perfectly sense to me :)
Thanks; Wolfgang On Tue, 2005-01-18 at 14:46 -0600, Burton Strauss wrote: > Not quite ... Remember ntop sniffs other people's DNS queries and caches the > responses... (run dumpdnsCache or dumpgdbm on dnsCache.db). > > Once it has the data, ntop can do the 'reverse' lookup. > > -----Burton > > > > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf > Of [EMAIL PROTECTED] > Sent: Tuesday, January 18, 2005 12:00 PM > To: [email protected] > Cc: [EMAIL PROTECTED]; [email protected] > Subject: RE: [Ntop-dev] How can ntop resolve DynDNS hosts? > > > DynDNS does forward look-ups only. The PTR resolution must be provided for > by the address owner. Typically a Broadband provider of some sort. The way > it works is that the resolver asks who owns the PTR record for the address > given. That is often an ISP or a large corporation. > > -- > > J. Eric Josephson > Director of Network and System Operations > 978-720-2159 > mailto:[EMAIL PROTECTED] > > > > > > Wolfgang > > Hennerbichler To: [email protected] > > <[EMAIL PROTECTED]> cc: > > Sent by: Subject: RE: [Ntop-dev] How > can ntop resolve DynDNS hosts? > ntop-dev-bounces@ > > unipi.it > > > > > > 01/18/2005 12:27 > > PM > > Please respond to > > ntop-dev > > > > > > > > > > On Tue, 2005-01-18 at 11:21 -0600, Burton Strauss wrote: > > There's nothing odd about it. DynDNS type services EXIST to provide > > name resolution, of course ntop can resolve it! > > You misunderstood me. I wrote about reverse-DNS-lookups, which is not so > obvious to me. Ntop can only be in the knowledge of my IP-Address, not my A > record. I'm talking about PTR records, that DYNDNS doesn't provide, I guess. > > > -----Burton > > Wolfgang > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf > > Of Wolfgang Hennerbichler > > Sent: Tuesday, January 18, 2005 10:56 AM > > To: [email protected] > > Subject: [Ntop-dev] How can ntop resolve DynDNS hosts? > > > > Hi! > > > > I've found out, that ntop is able to resolve the dyndns record (via a > > reverse-DNS lookup(!)) of my laptop - how is this possible? > > I've just had a quick glance at the source code, but didn't find > > anything > - > > I am really interested how this is done - so if somebody could give me > > a hint - I'd appreciate that! > > > > Thank you! > > Wolfgang > > > > _______________________________________________ > > Ntop-dev mailing list > > [email protected] > > http://listgateway.unipi.it/mailman/listinfo/ntop-dev > > > > _______________________________________________ > > Ntop-dev mailing list > > [email protected] > > http://listgateway.unipi.it/mailman/listinfo/ntop-dev > > > > _______________________________________________ > Ntop-dev mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-dev > > > > > > _______________________________________________ > Ntop-dev mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-dev > > _______________________________________________ > Ntop-dev mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-dev > _______________________________________________ Ntop-dev mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-dev
