On 12/10/2010 09:04 AM, John Doe wrote:
From: Steve Clarksclark@netwolves.com
I have a confusing problem. I have two centos 5,5 boxes. Both have sudo.i386 1.7.2p1-9.el5_5
installed
I am using the same sudoers file, but the one on box A keeps trying to do DNS lookups while the one on box B does not. How do I disable this DNS lookup?
Do you have fqdn in sudoers?
No, thats the crazy part. I don't have that enabled and it still does the DNS lookup. I tried turning it on to see what would happen and the only thing different was it spit out: $ sudo vi /etc/resolv.conf sudo: unable to resolve host Z7070.netwolves.com Vim: Caught deadly signal TERM
Vim: Finished. Terminated
I finally killed it from another terminal cause it was taking so long.
Without the: Defaults fqdn it hangs for a long time, this is when I don't have connection to the net, if I have connection there is just a slight pause while tries to do the DNS lookup.
man sudoers: "Beware that turning on fqdn requires sudo to make DNS lookups which may make sudo unusable if DNS stops working"
JD
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