On Wed, 2004-04-21 at 15:45, Jeff Pitman wrote: > On Wednesday 21 April 2004 21:16, Nils O. Selåsdal wrote: > > On Wed, 2004-04-21 at 15:00, Jeff Pitman wrote: > > > be obnoxiously slow, both DNS lookups and simple "telnet > > > www.google.com 80" tests. > > > > With ipv6 enabled, the libc resolver will afaik try to > > resolve hostnames as ipv6 addresses first. For alot of reasons > > that might take a long time.. > > [...] > > So perhaps there should be(and maybe there is..) a way to say > > try ipv4 first in /etc/resolv.conf ? > > This is interesting. However, the first hurdle is something deeper than > DNS because simple connects using "telnet x.x.x.x 80" takes longer > with IPv6 enabled. Editing /etc/modprobe.conf did the trick for me. Could perhaps strace show where/what calls are taking so long ? And wether one doesn't get fooled by application bug(e.g. someone calling gethostbyname with "192.168.0.2" or similar) -- Nils Olav Selåsdal System Engineer w w w . u t e l s y s t e m s . c o m
