Unix Tip: LOCK DOWN TELNET OR FTP

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UNIX HOT TIP

Unix Tip 3252 - December 31, 2008

http://www.ugu.com/sui/ugu/show?tip.today

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LOCK DOWN TELNET OR FTP

When inbound access isn't required into a system deny users Telnet or FTP access do the following:

vi /etc/inetd.conf

Comment the line starts with Telnet or FTP. Save the file and exit.

Stop and start the inetd daemon now by following commands:

/etc/rc.d/init.d/inet stop

/etc/rc.d/init.d/inet start

(Your flavor may be /etc/init.d)

Now on nobody can telnet or FTP to your server from outside network.

This tip generously supported by: avsrao_india@hotmail.com

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