IPPackettcp_ack
Return acknowledgement number.
tcp_data
Return data part as String.
tcp_data_len
Return length of data part.
tcp_dport
dport
Return destination port number.
tcp_flags
Return the value of 6-bits flag field.
tcp_flags_s
Return the value of 6-bits flag field as string like
".A...F".
tcp_fin?
tcp_syn?
tcp_rst?
tcp_psh?
tcp_ack?
tcp_urg?
Return true if flag is set.
tcp_off
tcp_hlen
Return TCP data offset (header length). (Unit: 4-octets)
tcp_seq
Return sequence number.
tcp_sum
Return the value of checksum field.
tcp_sport
sport
Return source port number.
tcp_urp
Return urgent pointer.
tcp_win
Return window size.
to_s
Return string representation.