[NTLUG:Discuss] open ports "Also"

[Kyle_Davenport@compusa.com]

I was thinking of the "xauth" mechanism in newer kernels, but the auth port is
only for identd responses.  You make have a problem connecting to remote
machines that require that.   Your X11 will only be open when the X-server is
listening on the port.

I was glancing thru freshmeat.net, and PortSentry and Bastille look very good.
I'm going to try them out.





Joey_Berry at compusa.com on 06/08/2000 03:06:48 PM

Please respond to discuss at ntlug.org

To:   discuss at ntlug.org
cc:    (bcc: Kyle Davenport/Is/Corporate/CompUSA)
Subject:  Re: [NTLUG:Discuss] open ports "Also"






I was just trying different ideas I had to close this two ports on the machine.
I have killed all services but telnet & ftp in inetd.conf already. I went into
linuxconf because I knew I could at least disable httpd because I was not using
it. I also stopped everything but inet, network, random, syslog & xfs. Now the
only ports open are telnet & ftp? I am only assuming that one of the services in
Control Service disabled the X11 & auth port?




Joey_Berry at compusa.com on 06/08/2000 01:15:46 PM

Please respond to discuss at ntlug.org

To:   discuss at ntlug.org
cc:    (bcc: Joey Berry/CallCtr104/CompUSA)
Subject:  [NTLUG:Discuss] open ports






In the process of checking my machine for security flaws I noticed that my auth
& X11 port are open. How should I go about closing these ports? Also nmap can
tell what OS & Kernel the machine is running, does anyone know how I can prevent
nmap or other scanners from detecting the OS?



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