'' IP-spoofing'.
- , IP-.
, sequence number acknowledge number ( IP-). , .
" ", sequence number acknowledge number , . , "" , , .
, , , , , .
.
- .
. , . S-SYN , RST (), , sequence number, , , C-SYN- , , sequence number, S-SYN-. S-SYN-, , , S-ACK- .
, ESTABLISHED, . , 100% , , , - , . .
- .
- "" , .. , (, telnet IAC NOP IAC NOP IAC NOP...). . , .