Red Hat & Solaris port security

[Adam Northern]

I'm not too familair with this subject in solaris, but in linux...
If you have the firewall code installed in the kernel, there are commands to
open/close/forward/redirect ports.
Depending on your kernel version, the commands would either be
ipfwadm
or
ipchains

There are several good HOWTO's out there on these commands to get you
started.
http://www.linuxdoc.org

I am sure there is something similair in solaris, but I can't verify that
(don't have my books here with me)

As for scanning ports to see what is open/closed, nmap is the command you
would most likely use. Or, even simpler, you can just attempt to telnet to
the port and see if it (the connection) is refused.

Adam

-----Original Message-----
From: Daniel L. Barnes [mailto:dbarnes at CLARK.EDU]
Sent: Sunday, May 07, 2000 10:59 PM
To: VPN at SECURITYFOCUS.COM
Subject: Red Hat & Solaris port security


Hello,
I was wondering if anyone knew of commands within Red Hat and Solaris that
you could manually shutdown and open up ports. Also, is there utilities
that I can scan the ports to verify which ones are open and which ones are
closed?

Thankyou for all of your help in the past!

db

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