Sometimes you just need to transfer some files back and forth over FTP and want something quick and easy. There are a couple of caveats to getting a one-liner-ish FTP server running in AWS EC2 or lightsail:
- Additional ports must be opened. Lightsail by default opens 80 & 22. You'll have to also open 21 & 8000-9000 for the following to work. Or you know, open it all because yolo.
- File transfers must happen in FTP passive mode. This is the default mode of pftp and lftp on Kali. If you use the basic ftp binary, you have to issue the "passive" command after you connect.