Differences for page IPID

Current version compared with version Sun May 16 11:51:48 GMT 2004

- The [IPID] is actually `the id field of the [IP] protocol packet header`.+ The [IPID] is actually `the id field of the [IP] protocol packet header`.
+ This field provides an identification for IP packets used in the process of
+ assembling fragments: packets with the same id value are about the same datagram,
+ so the destination host knows how to assemble this packets into the original
+ datagram (using also other information contained in the [IP] header).
+ 
+ 
+ The [IPID] field has a central role in the [Idle scan] scanning technique.
+ 
+ 
+ 

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