Re: scans on port 57

From: John Jørgensen (johnat_private)
Date: Wed Nov 13 2002 - 02:01:30 PST

  • Next message: Tijl Schoonenberg: "Re: Port 5552?"

    Nothing really.
    
    Hava a look at Internet storm center, where Johannes Ulrich is explaining the phenomena.
    It's a scanning-tool, trying to connect due to the fact that this port normally is not used for anything.
    Check out:
    http://isc.incidents.org/show_comment.html?id=28
    
    It is a mere TCP/IP fingerprinting.
    
    John Joergensen
    Safe2day.dk
    
    
    ----- Original Message ----- 
    From: Ingersoll, Jared <jaredat_private>
    To: <incidentsat_private>
    Sent: Tuesday, November 12, 2002 2:00 PM
    Subject: scans on port 57
    
    
    > I'm seeing a lot of blocked scans on port 57 in my firewall logs, many times
    > in conjunction with a port 80 or port 21 scan. I was working under the
    > assumption that these were related to a misconfigured port scanner, but I'm
    > seeing them from a pretty diverse set of source addresses, so now I'm
    > curious what they're looking for.
    > 
    > jared
    > 
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