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Dan


> do not block/monitor the following ports:
> 21 FTP
> 22 SSH (if you are using SSH)
> 23 Telnet
> 25 Sendmail
> 53 DNS (unless you are not using DNS then I suggest blocking this port)
> 79 finger (optional, I block it)
> 80 HTTP
> 81 Admin HTTP (Web admin)
> 110 POP3
> 143 IMAP