Vic Metcalfe wrote:
>
> I recently installed Checkpoint Firewall-1 on an NT Server, and I found
> something odd when I was checking it with a series of port scans.
> Everything turned out as expected except for open tcp ports 256, 257 and
> 258.
These are the control ports used by FW-1. You enable/disable them via
the Properties settings. What should really scare you is that you did
not get a log entry from scanning these ports. ;)
> If this is a FAQ then you have my apologies; please just point me in the
> right direction.
Check out "Invisible traffic due to Default Properties Setting":
http://www.geek-speak.net/fw1/fw1_properties.html
Cheers,
Chris
--
**************************************
[EMAIL PROTECTED]
* Multiprotocol Network Design & Troubleshooting
http://www.amazon.com/exec/obidos/ASIN/0782120822/geekspeaknet
* Mastering Network Security
http://www.amazon.com/exec/obidos/ASIN/0782123430/geekspeaknet
-
[To unsubscribe, send mail to [EMAIL PROTECTED] with
"unsubscribe firewalls" in the body of the message.]