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Whats TCP/UDP ports need DNS ONLY version.

Discussion in 'Security' started by cubemedia, Oct 6, 2011.

  1. cubemedia

    cubemedia Member

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    Whats ports/protocol needs a DNS only Server to properly connect to Cpanel for updates and serve of course its purpose , DNS server.

    I would like to close all ports and just open the ones needed for dns only.

    thanks.
     
  2. whplus

    whplus Well-Known Member

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    I believe you need the ssl WHM (2087), SSH (use non-standard port for security reasons), DNS (53,953), smtp (25), and rdate (37) port opened. That's it.
     
    #2 whplus, Oct 7, 2011
    Last edited: Oct 7, 2011
  3. cubemedia

    cubemedia Member

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    I posted this a year ago, but just in case anybody needs to know...

    I have Cpanel DNS only ruining on EC2, and the only incoming public port that i have open on the hardware firewall is 53(UDP/TCP)
    and it has been working fine since last year. (2087 and SSH port are open only for my IP)
     
  4. sirghayoor

    sirghayoor Member

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    Thanks, TCP and UDP have a different status in the market TCP is powerful than UDP. and TCP need DNS version, which is bieng used at the internation level.
     
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