How to block complete out going traffic using iptables for a specific user but allow incoming ssh connection for the same user?

Solution Verified - Updated -


  • Block complete outgoing traffic for a specific user but the same user should be able to access the same system through ssh.
  • After blocking the outgoing traffic for a specific user, that user not able to take ssh of that same system.


  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6
  • Red Hat Enterprise Linux (RHEL) 7

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