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Thread: Cheking ports!

  1. #1
    Join Date
    Mar 2005
    Posts
    540

    * Cheking ports!

    Hello

    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?

    Thanks

  2. #2
    Join Date
    Dec 2006
    Posts
    68
    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.

  3. #3
    Join Date
    Mar 2005
    Posts
    540
    Thanks cybersavvy

    But what about the port 6603 if I pen this port , does it have any security problem?

    Thanks

  4. #4
    Join Date
    Dec 2006
    Posts
    68
    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

  5. #5
    Join Date
    Dec 2005
    Location
    Internet
    Posts
    1,352
    Port 6603 doesn't have any known security problem. But, its advisable to block all the unnecessary portsto avoid any problems.

  6. #6
    Join Date
    Mar 2005
    Posts
    540
    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?

    Thanks

  7. #7
    Join Date
    Jul 2004
    Location
    Texas
    Posts
    688
    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.

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