[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: xinetd /etc/host.deny ALL:PARANOID



also sprach Chris Wagner <wagnerc@plebeian.com> [2002.01.11.0205 +0100]:
> Well, the rationale behind this is as you touched on, preventing
> spoofed address attacks.  A paranoid lookup essentially verifies that
> the connecting system is a known legit host.  In effect you're using
> your DNS system as another level of authentication.  Say somebody
> wants to covertly log on or attack your system, so they give
> themselves a bogus ip.  A paranoid lookup will stop that because
> there's no DNS entry.  (I won't get into the mechanisms of these spoof
> type attacks)

a bogus IP won't even make it past OSI layer 4 on debian... rp_filter...

> REMEMBER THE WORLD TRADE CENTER         ---=< WTC 911 >=--
> 
> 00000100

interesting signature. serious or not?

-- 
martin;              (greetings from the heart of the sun.)
  \____ echo mailto: !#^."<*>"|tr "<*> mailto:"; net@madduck
  
"in any hierarchy, each individual rises
 to his own level of incompetence,
 and then remains there."
                                                             -- murphy

Attachment: pgpIzd2WUaA5R.pgp
Description: PGP signature


Reply to: