Connection Establishment

07:09:43.368615 download.net.39904 > ftp.com.21: S 733381829:733381829(0) win 8760 <mss 1460> (DF)
07:09:43.370302 ftp.com.21 > download.net.39904: S 1192930639:1192930639(0) ack 733381830 win 1024 <mss 1460> (DF)
07:09:43.370355 download.net.39904 > ftp.com.21: . ack 1 win 8760 (DF)