Re: Testing F5 3DNS

From: Philippe Biondi (phil_at_secdev.org)
Date: 07/29/04

  • Next message: Ben Timby: "Re: Testing F5 3DNS"
    Date: Thu, 29 Jul 2004 00:17:53 +0200 (CEST)
    To: wnorth <wnorth@verizon.net>
    
    

    On Sat, 24 Jul 2004, 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.

    On linux, just use SNAT :
    iptables -t nat -A POSTROUTING -d <target> -p udp -j SNAT --to <src>:53

    -- 
    Philippe Biondi <phil@ secdev.org>      SecDev.org
    Security Consultant/R&D                 http://www.secdev.org
    PGP KeyID:3D9A43E2  FingerPrint:C40A772533730E39330DC0985EE8FF5F3D9A43E2
    

  • Next message: Ben Timby: "Re: Testing F5 3DNS"

    Relevant Pages

    • Re: Testing F5 3DNS
      ... Another method may be to use packet factory type software like hping to ... a specific host on a specific port from a specific port. ... > 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. ...
      (Pen-Test)
    • Testing F5 3DNS
      ... 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. ...
      (Pen-Test)
    • RE: SBS2K3 Prem Symantec Security Gaeway
      ... locate the Protocol Definitions container. ... In the Port number box, ... UDP port 49152 Receive/Send, ...
      (microsoft.public.windows.server.sbs)
    • Re: Info on SMC Barricade
      ... 24.242.35.125:1025 to UDP port 137 ... Thursday, November 22, 2001 16:43:25 Unrecognized access from ... 213.131.184.204:2048 to TCP port 53 ...
      (Security-Basics)
    • RE: Accessing Ndis miniport from user mode application-one more thing
      ... send control requests to your driver (and I believe one normally has a good ... "Please make sure that UDP port XYZ is available only to privileged users", ... Accessing custom OIDS through WMI. ...
      (microsoft.public.development.device.drivers)

  • Quantcast