Transport Control Protocol (TCP) Abbreviations and Acronyms

ACK – Acknowledge
DEST – Destination
DTO – Data Offset
FCS – Frame Check Sequence
FIN – Finished
FLG – Flag
IP – Internet Protocol
OPT – Options
PSH – Push
RST – Reset
SEQ – Sequence
SRC – Source
SYN – Synchronization
URP – Urgent Pointer
WIN – Window