IPv4 Header Error Checksum Calculator
The following fields are fixed
Type = 4
Header length =
5 32-bit words
No options
Type of service
(in decimal)
Total Length
Identifier
Don't Fragment
(check if set)
More Fragments
Fragment Offset
(byte offset / 8)
TTL
Protocol
Source
(xxx.xxx.xxx.xxx)
Destination
HEC
Working
copied from:
http://mna.nlanr.net/Software/HEC/hec.html