A good basic rule of thumb: If you don't use a service, turn it off. The
especially dangerous ones I notice on your list are finger, sunrpc, imap2, uucp,
X11. They're all dangerous in one way or another, so you might want to turn
them off unless you need them.
-Jon
> -----Original Message-----
> From: Andre Bell [SMTP:[EMAIL PROTECTED]]
> Sent: Sunday, May 07, 2000 7:19 PM
> To: [EMAIL PROTECTED]
> Subject: Are these ports dangerous for incoming traffic?
>
> Are any of these ports dangerous to leave open? I scanned my linux box and
> these are the ports that are actually open when using local tools and
> intrusion tools online at www.doshelp.com:
> Port State Protocol Service
> 1 open tcp tcpmux
> 11 open tcp systat
> 15 open tcp netstat
> 79 open tcp finger
> 111 open tcp sunrpc
> 119 open tcp nntp
> 143 open tcp imap2
> 515 open tcp printer
> 540 open tcp uucp
> 635 open tcp unknown
> 1068 open tcp instl_bootc
> 1080 open tcp socks
> 1524 open tcp ingreslock
> 2000 open tcp callbook
> 3128 open tcp squid-http
> 6000 open tcp X11
> 6667 open tcp irc
> 12345 open tcp NetBus
> 12346 open tcp NetBus
>
> Thanks
>
> Andre
>
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