Otherwise, it is necessary for the SSH client software to have specific knowledge of the FTP protocol, to monitor and rewrite FTP control channel messages and autonomously open new packet forwardings for FTP data channels.
S druge strane, neophodno je da SSH klijentski softver ima određeno znanje o FTP protokolu, da nadgleda i prepisuje poruke nadzornog FTP kanala i autonomno otvara novo prosljeđivanje paketa za FTP podatkovni kanal.