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ASA 5520 Allow outgoing RDP

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  • ASA 5520 Allow outgoing RDP

    Hello,

    I am trying to use RDP from the inside interface of a ASA 5520 to a public IP of an outsourced terminal server. Is there something that has to be configured on my firewall to allow this to happen? Something like "fixup protocol rdp 3389..."?

  • #2
    Re: ASA 5520 Allow outgoing RDP

    Just change your ACL i guess?
    There is no fixup needed for RDP
    Marcel
    Technical Consultant
    Netherlands
    http://www.phetios.com
    http://blog.nessus.nl

    MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
    "No matter how secure, there is always the human factor."

    "Enjoy life today, tomorrow may never come."
    "If you're going through hell, keep going. ~Winston Churchill"

    Comment


    • #3
      Re: ASA 5520 Allow outgoing RDP

      access-list blahblah permit tcp 192.168.1.0 255.255.255.0 host <ExternalIP> eq 3389
      access-group blahblah in interface Inside

      nat (Inside) 1 192.168.1.0 255.255.255.0
      global (Outside) 1 interface

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      • #4
        Re: ASA 5520 Allow outgoing RDP

        I suppose the only thing that you really need, if there are no outbound acl's, is the correct access to the hosting server! The hosting company forgot to allow my IP range into their firewall.....

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        • #5
          Re: ASA 5520 Allow outgoing RDP

          Oh, if you don't have an outbound ACL then all traffic is per default allowed from an higher security level to a lower security level...
          I didn't know that there was no ACL for it...
          Marcel
          Technical Consultant
          Netherlands
          http://www.phetios.com
          http://blog.nessus.nl

          MCITP(EA, SA), MCSA/E 2003:Security, CCNA, SNAF, DCUCI, CCSA/E/E+ (R60), VCP4/5, NCDA, NCIE - SAN, NCIE - BR, EMCPE
          "No matter how secure, there is always the human factor."

          "Enjoy life today, tomorrow may never come."
          "If you're going through hell, keep going. ~Winston Churchill"

          Comment

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