Mike Schiffman explained one way in his book 'Building Open Source Network Security Tools' . Some DNS Servers will send a version string back, if you send them a chaos class query, especially BIND servers support that and are configured to do so by default. cheers Michael At 10:22 11.07.2003 -0300, you wrote: >Hi, > > >I need a help from the community. >At this moment I am reading papers from NIST and ISECOM (osstmm2.0). >I need to know the very best way to discover the versions of DNS >servers. >I need to write a paper about it.I all ready wrote something, but I need >to hear from everybody. > > > >Best Regards, >Rodrigo Ramos >http://www.spytket.com.br > > > >--------------------------------------------------------------------------- >The Lightning Console aggregates IDS events, correlates them with >vulnerability info, reduces false positives with the click of a button, >anddistributes this information to hundreds of users. > >Visit Tenable Network Security at http://www.tenablesecurity.com to learn >more. >---------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------------- Michael Thumann mlthumann@ids-guide www.ids-guide.de Public Key available at http://www.ids-guide.de/MichaelThumann.asc ---------------------------------------------------------------------------------------------------- The only secure computer is one that's unplugged, locked in a safe, and buried 20 feet under the ground in a secret location...and i'm not even too sure about that one --Dennis Huges, FBI. --------------------------------------------------------------------------- The Lightning Console aggregates IDS events, correlates them with vulnerability info, reduces false positives with the click of a button, anddistributes this information to hundreds of users. Visit Tenable Network Security at http://www.tenablesecurity.com to learn more. ----------------------------------------------------------------------------
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