You know, it really sucks when you log into a machine and for some reason there is a delay before the connection is fully functional. This happend to the SSH of a server to which I frequently connect, delaying my connections for 8 to 30 seconds. Again it sucked, up to a degree where I decided to track down the issue and fix it. Google told me, it’s reverse DNS mappings and I should set UseDNS no in the sshd_config, but that didn’t work (and besides, reverse DNS can’t be that slow…). Read More...