[ale] Name resolutoin in the WM
Christopher Fowler
cfowler at outpostsentinel.com
Fri Sep 29 08:17:14 EDT 2006
I've noticed something strange on FC5. If I'm on a slow network will it
takes a little longer to resolve names then startup of new programs take
longer. Just now I clicked on my xterm icon it takes 35 seconds for the
xterm to appear. At home it immediate. The difference is that at home
I use a caching name server. Here I use comcast's name servers. My
only guess it has something to do with the hostname of the laptop and
gnome trying to resolve that. I can think of anything else it would be
resolving
Sure enough if I do a tcpdump the minute I click that icon it does this:
08:16:01.147187 IP 192.168.2.131.32789 > 192.168.10.1.domain: 17401+
AAAA? ze1250.linxdev.com. (36)
08:16:01.159054 IP 192.168.2.131.32790 > 192.168.2.1.domain: 57632+
PTR? 1.10.168.192.in-addr.arpa. (43)
08:16:06.145979 IP 192.168.2.131.32789 > 192.168.10.1.domain: 17401+
AAAA? ze1250.linxdev.com. (36)
08:16:06.158881 IP 192.168.2.131.32790 > 192.168.2.1.domain: 57632+
PTR? 1.10.168.192.in-addr.arpa. (43)
08:16:06.319485 IP 192.168.2.1.domain > 192.168.2.131.32790: 57632
NXDomain* 0/1/0 (120)
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