Re: Testing F5 3DNS

From: Max Enders (max.enders_at_watchguard.com)
Date: 07/29/04

  • Next message: Vinicius Moreira Mello: "RE: Website search engine is a hacking tool.."
    To: wnorth <wnorth@verizon.net>
    Date: Thu, 29 Jul 2004 00:19:34 -0700
    
    

    Greetings,

    Netcat allows you to define the source port and supports UDP. Give it a
    try.

    -Max

    On Sat, 2004-07-24 at 10:02, wnorth wrote:
    > So, I found something interesting during a pen test of an F5 3DNS device.
    > Just doing a simple UDP port scan against the device and sourcing my port as
    > udp/53 I was able to see all of the UDP services running. The next step
    > would have been to try and test these services by keeping my source port as
    > UDP/53. Anyone know of a way to do this, something like testing SNMP by
    > sourcing as UDP/53, or some other test.
    >
    > Suggestions are welcome.
    >
    > -wn
    >
    >


  • Next message: Vinicius Moreira Mello: "RE: Website search engine is a hacking tool.."

    Relevant Pages

    • Re: [patch 05/11] syslets: core code
      ... I go through this sequence for each outgoing powerdns UDP query ... because I need a new random source port for each query, ...
      (Linux-Kernel)
    • Re: [patch 05/11] syslets: core code
      ... I go through this sequence for each outgoing powerdns UDP query ... because I need a new random source port for each query, ... I already batch the gettimeofday to 'once per epoll ... moderate loads, even though I already use epoll. ...
      (Linux-Kernel)
    • RE: Testing F5 3DNS
      ... "state" in UDP packets (I suppose "relatedness" would be more ... that builds custom packets (there are some out there, ... by keeping my source port as UDP/53. ...
      (Pen-Test)
    • Re: Problem with port 0
      ... im using carp for highly availability and scalability with the help of layer 4 health check program that i made using source port 0 both for tcp and udp protocols.... ... sample of tcpdump output from my layer 4 health check program... ...
      (freebsd-net)
    • Re: doubts about nat-traversal
      ... the range and has nothing to do with your other VPN tunnels. ... known destination port of UDP 4500. ... source port as something other than UDP 4500 then it knows that ... ESP and AH packets within UDP. ...
      (comp.dcom.sys.cisco)

  • Quantcast