URG Urgent pointer field is valid n ACK

Кодови битове URG Urgent pointer field is valid n ACK Acknowledgement field is valid n EST Connection Established n RST Reset the connection n SYN Synchronize sequence numbers n FIN Sender has reached end of its byte stream n

Sliding Window

Разпределение на портове (IANA – RFC 4340) n 1 -1023 – Well-known ¨ 1 -255 Public Applications ¨ 256 -1023 Marketable Applications 1024 – 49151 - Registered n 49152 - 65535 Dynamic/Private Ports n 0 – Not allocated n

netstat