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hpr0465 :: Failsafe security

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Hosted by Ken Fallon on 2009-10-14 is flagged as Explicit and is released under a CC-BY-NC-SA license.
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WARNING: It's easy to lock yourself out of a system implementing these changes so make sure you have physical access to the console of the system you are securing. To display all processes listening netstat -anp | grep -i listen Deny all connections to any port from any external IP address /etc/hosts.deny all:all /etc/hosts.allow sshd: # My other pc IPTables Tutorial: A good starting point to block all except ssh: Disable root login via ssh: Setting up ssh keys and disabling password logins.


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