FTP
connect to non-listen
# Server-side
# Assuming there's nothing listening on port 1
REPLY EPSV 229 Entering Passiv Mode (|||1|)
here are some bytes
# Client-side
ftp
FTP failing to connect to EPSV port, switching to PASV
ftp://%HOSTIP:%FTPPORT/1233
# Verify data after the test has been "shot"
USER anonymous
PASS ftp@example.com
PWD
EPSV
PASV
TYPE I
SIZE 1233
RETR 1233
QUIT