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I have a dedicated server .
How can I check which ports are open on my server and which of them are not?
and does the port 6603 has any security notice?
You can use nmap to know about the open ports in the server
Usage :- nmap <server ip>
If nmap is not installed install it via yum ' yum install nmap'
The command netstat -lpn can also be used to know about the open ports in the server
If any unnecessary ports are found open, you may need to block it in iptables(firewall).
2. I haven't heard any security issue with port 6603
Please let us if you need anything else
Last edited by cybersavvy; 01-01-2007 at 09:29 AM.
But what about the port 6603 if I pen this port , does it have any security problem?
I haven't heard any security issue with port 6603. If you are sure that none of the programs are using it and still showing in nmap , you can block the port in iptables
Port 6603 doesn't have any known security problem. But, its advisable to block all the unnecessary portsto avoid any problems.
I need to open this port because I have a site on server "a" (that is not mine) and want the site on the server "a " read the MySQL database from my server, what can I do to do it?
Are you sure you don't mean port 3306 (the mysql port)?
If so, you need to open 3306 for remote hosts to access your DBs.