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Full Discussion: Can we secure telnet on AIX
Operating Systems AIX Can we secure telnet on AIX Post 302963834 by rbatte1 on Thursday 7th of January 2016 04:23:09 AM
Old 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
    • disable it
  • 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
    • rename the executable
  • You want to encrypt the traffic to prevent network snooping
    • use ssh
  • 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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