Command for checking open ports?
I was wondering if theres a command to check what open ports you have.
Ok many people know that counter-strike uses 27015 and 16.... But is there a command I could do in the terminal to list all the other open ports I could use? Or a command to see what apps are using the current ports? Fedora Core 2,3 and RH9 |
man netstat
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well you can download nmap ( or nmapfe if you want gui ) and port scan your self
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man netstat
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Thanks!! helped me out big time... I needed an open port to put my HLTV on!
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I thought we tried to stay away from 'man *' and RTFM in here.
Nmap is great for this. Fedora and Red Hat both ship with an RPM for nmap. $ nmap hostname If you are on the machine and want to see open connections, (which are sometimes different than nmap, depending on if they are listening, or connected or whatnot) try $ netstat -lnp |
another good idea
www.grc.com and run 'shields up' this website will port scan you and show you what you have open to the public as well |
Port 113 - How to shut down?
Title says it all. Using MDK 10.1 Official. Port scan shows only port 113 open after I installed the Shorewall Firewall that comes with the installation CD's.
However, there is no way to disable specified ports and so I can't shut down 113, which is shown by the "Shields up" web site as closed but not stealth. Anyone know how to fix this, please? Thanks, Swamiji |
Quote:
Swamiji -- Port 113 is ident which is typically used when connecting to IRC. Since most Linux firewalls are (incorrectly) set to drop packets, it would take a really long time for IRC connections to connect as the server would have to time out trying to connect to 113. So, 113 is closed (not accessible) but not stealthed. Ports should generally be closed, not stealthed. "Stealthing" your computer does not hide it, including turning ICMP off. |
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