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   comp.protocols.tcp-ip      TCP and IP network protocols.      14,669 messages   

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   Message 13,687 of 14,669   
   Jorgen Grahn to D. Stussy   
   Re: TCP flags - illegal combination: SYN   
   22 Nov 10 11:30:51   
   
   From: grahn+nntp@snipabacken.se   
      
   On Mon, 2010-11-22, D. Stussy wrote:   
   > Why is SYN+FIN considered illegal by most?  RFC 793 doesn't outlaw it, and   
   > RFC 1644 even demonstrates its usefulness (when accompanied by data),   
      
   RFC 1644 isn't TCP; it's T/TCP which turned out to be broken   
   security-wise (see discussions here, or Wikipedia).   
      
   /Jorgen   
      
   --   
     // Jorgen Grahn    O  o   .   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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