Re: DENY x REJECT

From: R. DuFresne (dufresneat_private)
Date: Thu Oct 04 2001 - 14:31:27 PDT

  • Next message: Fyodor: "Re: DENY x REJECT"

    You may find this useful:
    
    lynx http://www.sys-security.com/html/projects/X.html
    
    
    Thanks,
    
    Ron DuFresne
    
    
    On Wed, 3 Oct 2001, Rosenau wrote:
    
    > Hi
    > 
    > Does anybody know a port scanner that could distinguish a "deny" filtered
    > tcp port (firewall drops packets for the port) from a "reject" filtered tcp
    > port (firewall returns an ICMP - port unreachable)?.
    > 
    > Nmap seems to report boths cases simply as "filtered". Actually, both cases
    > are filtered, but when you receive a ICMP, you can be sure that the port is
    > really filtered. If you do not receive nothing, the port could be filtered,
    > or packets could have been lost...
    > 
    > Regards,
    > Rosenau.
    > 
    > 
    > 
    > ----------------------------------------------------------------------------
    > This list is provided by the SecurityFocus Security Intelligence Alert (SIA)
    > Service. For more information on SecurityFocus' SIA service which
    > automatically alerts you to the latest security vulnerabilities please see:
    > https://alerts.securityfocus.com/
    > 
    
    -- 
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            admin & senior consultant:  darkstar.sysinfo.com
                      http://darkstar.sysinfo.com
    
    "Cutting the space budget really restores my faith in humanity.  It
    eliminates dreams, goals, and ideals and lets us get straight to the
    business of hate, debauchery, and self-annihilation."
                    -- Johnny Hart
    
    testing, only testing, and damn good at it too!
    
    
    ----------------------------------------------------------------------------
    This list is provided by the SecurityFocus Security Intelligence Alert (SIA)
    Service. For more information on SecurityFocus' SIA service which
    automatically alerts you to the latest security vulnerabilities please see:
    https://alerts.securityfocus.com/
    



    This archive was generated by hypermail 2b30 : Thu Oct 04 2001 - 15:03:06 PDT