[techtalk] login restriction

[bill t]

in inetd.conf - turn off all services you don't want. This includes rlogin,
rtelnet, and telnet.

in /etc/passwd set the last to /dev/null

use tcpwrappers on all incoming services you left open (via inetd.conf).

Do not run any stand alone servers you don't trust.

That is all.

Bill

On Fri, 7 Jul 2000 14:12:06 -0400 , Fan, Laurel wrote:

>  Susannah D. Rosenberg, indrani at mindspring.com, said:
>  > yeah, but it still leaves rlogind and telnetd flapping in the wind. can
>  > you say "telnet to port 25", boys and girls?
>  > 
>  > gaping security flaws are /bad/.
>  
>  Taking out rlogind and telnetd won't close port 25.  And I'm assuming a
>  mail server would like to leave the smtp port open.
>  
>  
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