Which component is buggy when dns isn't working right?

Kyrre Ness Sjobak kyrre at solution-forge.net
Sun Sep 26 15:35:45 UTC 2004


søn, 26.09.2004 kl. 02.22 skrev Felipe Alfaro Solana:
> On Sep 25, 2004, at 21:24, Kyrre Ness Sjobak wrote:
> 
> > I have always before been able to run dnsmasq on my smoothwall, and if 
> > i
> > then put a host in its /etc/hosts, all (Linux - it has never worked for
> > my fathers laptop, so he has to use ip adresses...) computers wich use
> > that as a dns-server will get it.
> >
> > F.ex. i have a host called "kyrre". If i want cups to be able to print
> > to the printer shared on that machine, i have to have a dns lookup for
> > "kyrre" - either on the local /ets/hosts, or in DNS. So the smoothwalls
> > hosts file look like this:
> >
> > 127.0.0.1       localhost
> > 192.168.0.1     smoothwall
> > 192.168.0.200   kyrre
> >
> > And it works great. On all my fc2 (and earlier) linux-computers, i am
> > able to f.ex type "ssh kyrre", and it looks up kyrre from dns, dnsmasq
> > on the smoothwall reads the hosts file on the smoothwall, and returns
> > "192.168.0.200". And i am able to start my evolution over encrypted X,
> > or print my document (much printing today :-) ) from the laptop.
> >
> > But with fc3t2, which has a hosts and resolve file which are identical
> > to the fc2 laptops, this dont work. That means - "host kyrre" returns
> > the correct IP, but "ssh kyrre" or printing on kyrre dont work
> > (acctually, hitting "print test page" in the cups web-interfafe just
> > gives me a google seach for "kyrre").
> >
> > I would call this a bug. But where should i post it? Which component
> > does handle DNS lookups?
> 
> One note: "host" does _not_ use the resolver library (which is part of 
> glibc). Instead, "host" queries any configured DNS server directly, 
> that is, "host" will _never_ look up "/etc/hosts", but instead performs 
> lookup against the configured DNS servers. However, "ssh", "ping" and 
> family _do_ use the resolver.
> 
> Thus, normal tools use the resolver. Thus bugs depending on the 
> resolver should go against "glibc". However, "host" is part of 
> "bind-tools".
> 

I know that host has its own resolver - and it works (eg. no firewall
issues etc.)

I go file a bug against glibc:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=133645

Thanks.

Kyrre





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