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Monitoring Application IP Network Data?

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The Question is:

 
May a C program be written that monitors traffic between an existing TCP/IP
 server - client connection? Will the normal socket routines work or must the
 qio functions be used? Is it necessary to use the raw IP protocol (there's
 very little documenation on
 raw)?

The Answer is :

 
  You can certainly monitor raw IP packet traffic from OpenVMS or
  from a network sniffer, but it is usually both easier and faster
  to instrument the application code involved.
 
  The raw IP packet traffic is documented in the associated RFCs.
 


  

     
     
answer written or last revised on ( 7-JAN-2004 )

     
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