ba97a190   
   From: bls17@poczta.onet.pl   
      
   You are generally correct. Frames 3 and 4 - this is diffie hellman group   
   exchange.   
   Regards   
   Bartosz Gagat   
    wrote in message   
   news:d114ed1c-a9d6-4b43-a913-323050af7c25@c36g2000prc.googlegroups.com...   
   > Hi,   
   > I remembered that pre shared key use for ISAKMP phase-1.   
   > for authentication. Is that right? (ESP)   
   >   
   > There are total six frames for main mode during phase 1   
   > First two frames look easy to understand.   
   > How about the third and fourth frame. What do they do in detail?   
   > Can anyone give a little bit more detail operation?   
   >   
   >   
   > TIA,   
   > st   
   >   
   >   
      
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