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A possible fix for slow SSH connections
Then most probably one of the two nodes, your machine or the remote machine, is not configured to do name lookups correctly. A common mistake is not including relevant domains in the resolver search lists.
A possible fix for slow SSH connections
On my machine I can connect to other servers so I don't understand what would screw this one up. Also, other people can connect to the server that's giving me trouble (including me if I ssh through another server).
A possible fix for slow SSH connections
Yes, it should. Look under "spoofing attacks" and ways to prevent them. Checking DNS records is a common first step in spotting a spoof attempt.
A possible fix for slow SSH connections
This may help, found in man ssh(1):
ssh automatically maintains and checks a database containing identifications for all hosts it has ever been used with. Host keys are stored in $HOME/.ssh/known_hosts in the user's home directory. Additionally, the file /etc/ssh_known_hosts is automatically checked for known hosts. Any new hosts are automatically added to the user's file. If a host's identification ever changes, ssh warns about this and disables password authentication to prevent a trojan horse from getting the user's password.Perhaps deleting the entry for the machine you're trying to connect to will help.
A possible fix for slow SSH connections
What's weird is that added the server name and ip address to /etc/hosts and that fixed the problem. Then I read your post about /known_hosts and commented out the line I'd added to /etc/hosts and deleted the line in known_hosts related to my server. It also worked. The solution is as baffling as the problem. |
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