Need port scanner to test vulnerabilities on firewall (WAN side)

Posted on 2007-10-02
Last Modified: 2010-05-18
I need a recommendation for a free (hopefully) port scanner. I need to find out what ports are open on the WAN side of a customer's firewall. Thanks.
Question by:FIFBA
    LVL 51

    Accepted Solution

    LVL 1

    Expert Comment

    You can also use Nessus as a vulnerability and port scanner. I'm not sure if there is a windows binary or not.

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