On Wed, 18 Oct 2000, Mike A. Harris wrote:
> On Wed, 18 Oct 2000, Tony Nugent wrote:
<snip DNS is not resolver commentary>
> >Ok, this works very well for single-homed boxes - one IP, one
> >hostname, one entry.
> >
> >But NOT for multi-homed boxes (in this case, servers) which have
> >interfaces into two different subnets (and they are not acting as
> >routers).
> >
> >For example, a client box might have this in /etc/hosts:
> >
> >127.0.0.1 localhost.localdomain localhost
> >172.16.1.1 gateway.mydom.com gateway
> >172.16.2.4 www.mydom.com www
> >172.16.1.4 www.mydom.com www
Put 'multi on' in /etc/host.conf with Redhat 7.0, and the *updated*
glibc. The stock 7.0 glibs segv's in the resolver if you have
multi on set with multiple reverse mappings.
> >Any suggestions? I've never seen any proper docs (eg, in the
> >howtos) on this sort of /etc/hosts tweaking over the years, but this
> >is a problem that is starting to hit me in the face too much to
> >ignore any longer...
man host.conf with RH7 talks about the multi setting.
multi Valid values are on and off. If set to on, the
resolv+ library will return all valid addresses for
a host that appears in the /etc/hosts file, instead
of only the first. This is off by default, as it
may cause a substantial performance loss at sites
with large hosts files.
Regards,
Mark
--
+-------------------------------------------------------------------------+
Mark Cooke The views expressed above are mine and are not
Systems Programmer necessarily representative of university policy
University Of Birmingham URL: http://www.sr.bham.ac.uk/~mpc/
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