you should forget most of what a localhost scan reveals. if you have a firewall, get that running, and then from another computer on the net, scan your computer over the internt. then if you have ports open that you don't want, configure your firewall to block them. (and open a console and run ntsysv to see what you have running, and uncheck anything you don't want running... and if you are not sure what something does, highlight it in ntsysv and press F1, which will popup an explanation box for you. many parts of a linux system communicate via ports... and if you closed them to localhost, then you would find a good many of them stop working, (like X11). It doesn't matter if the ports are visable to localhost, the only danger is if they are visable to the internet (and possibly to your lan if you have one and don't trust your users.) a well configured firewall would stop both cases. Also, even if you do close all the stuff you don't use, you should still have a firewall, as sometimes running mandrake update will update a server app, and set it to start on boot again,, so you never know when you will want your firewall... no computer should be on the net without one. (particularly if the words Microsoft appear anywhere in the bootup screens.) rgds Frank -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of WCBaker Sent: Monday, 24 September 2001 12:58 AM To: [EMAIL PROTECTED] Subject: Re: [newbie] open ports: explanation requested Hi! I have some open ports, as indicated by an nmap localhost scan. 2 main questions: a) Is there a console or terminal command that lets me shut a port down? and another command to reinstate the port ? b) Can anyone take a moment to explain whether these are necessary: port 111 sunrpc (what is sunrpc?) 617 & port 631 Unknown (likely these are eth0 and lo, my ethernet and cable connections??) 1024 kdm (is this kde's connection? can I make this stealth instead of an open port??) 1026 nterm (can I make this stealth?) 6000 X11 (can I make this stealth?) Thanks for your time! Cheers! -warren
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