From: Steve Clark <sclark at 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? man sudoers: "Beware that turning on fqdn requires sudo to make DNS lookups which may make sudo unusable if DNS stops working" JD