[Gllug] Resolving question

Nix nix at esperi.org.uk
Sun Dec 5 10:59:50 UTC 2004


On Tue, 30 Nov 2004, Jan Minar mused:
> Quoting the resolv.conf(5) manpage:
> 
>| The resolver is a set of routines in the C library that provide access
>| to the Internet Domain Name System. The resolver configuration file
>| contains information that is read by the resolver routines the first
>| time they are invoked by a process.
> 
> -- so You maybe will have to restart Your programs, but the modern
> resolver implementations may check for a modification of the config
> files...?  Again, tcpdump is Your friend.

More to the point, the source is your friend; it says that, in glibc's
resolver at least, resolv.conf is read at initialization time (i.e., at
the time of first resolver call) only.

-- 
`The sword we forged has turned upon us
 Only now, at the end of all things do we see
 The lamp-bearer dies; only the lamp burns on.'
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