Port scan causing system crashes

From: steve.x.jonesat_private
Date: Thu Jun 12 2003 - 04:23:06 PDT

  • Next message: OBrien, Brennan: "RE: Port scan causing system crashes"

    Hello
    
    Please can you help?  Has any-one else out there had issues with NMAP port scans
    (or any other port scanner) causing systems to crash?
    
    I use Nessus to baseline the security of our systems and have twice had problems
    caused by the NMAP port scan on clustered unix boxes running our enterprise
    applications.  NOTE - it was the initial port scan that caused the problems, not
    the subsequent vulnerability assessment.
    I've done a quick Google search and found confirmation for one of the systems -
    BUGTRAQ Vulnerability 3358, "IBM HACMP Port Scan Denial of Service Vulnerability",
    the other was a bespoke app running on some HP UX boxes.
    
    Does any-one know of other systems that fall over with a simple port scan?
    
    Up til now I've been running port scans happily across our subnets to look for
    rogue FTP, SMTP, HTTP etc, obviously I'll have to take more care now...
    
    Thanks in advance for any help.
    
    Steve
    
    
    
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