01-07-2016
I'm a little unclear on what you mean by to "secure telnet". Here are a few thoughts:-
- You want to prevent people using telnet at all to get to your server
- You want to hide it away a little so only a few people know how to open the connection
- change the port, but that relies on secrecy rather than truly securing it
- You want to restrict the source IP address that can open telnet
- firewall rules and/or IP tables
- You want to prevent people using the telnet client to get out from your server
- You want to encrypt the traffic to prevent network snooping
- You want to strengthen the login process
- adjust security settings, but that's a big topic
I realise that none of these are probably quite what you want, but I am struggling to work out your requirement. Can you elaborate a little?
Thanks, in advance,
Robin
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