Go ahead and block.
Port 111 is the Sun Remore Procedure call an unless you are wanting to
offer such services to other Sun systems, then block it out.
Use REJECT rather than DENY - it tells the Sun system to forget it.
You will get log entries if you use the -l option but they make interesting
reading.
Unrelated but for security purposes, block 113 and 137.
Look at /etc/services. (grep 113 /etc/services)
If you DON'T want people to telnet in, block 23 - but you probably
know that already.
Regards,
Bruce.
>what is the port 111 on redhat? what would be the consequences of blocking
>it in the firewall?
>
>
>
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