Acts as an FTP server that will proxy all requests to an upstream active FTP server and translate the PORT command to any external IP that you choose.
Usage of ./ftp-port-proxy:
-ext-ip string
The public IP to rewrite FTP port commands from.
-host-address string
The IP address to bind the port on. (default "0.0.0.0")
-host-port int
The port that this FTP proxy will serve on. (default 20021)
-server string
The FTP server host or IP to connect to.
-server-port int
The FTP server port number. (default 21)
-logtostderr=false
Logs are written to standard error instead of to files.
-stderrthreshold=ERROR
Log events at or above this severity are logged to standard
error as well as to files.
-log_dir=""
Log files will be written to this directory instead of the
default temporary directory.
-version
Show version number