2121

adot@pwnbox:~/oscp/provinggrounds/easy/solstice$ ftp 192.168.192.72 -p 2121  
Connected to 192.168.192.72.
220 pyftpdlib 1.5.6 ready.
Name (192.168.192.72:adot): anonymous
331 Username ok, send password.
Password: 
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls
229 Entering extended passive mode (|||35199|).
125 Data connection already open. Transfer starting.
drws------   2 www-data www-data     4096 Jun 18  2020 pub
226 Transfer complete.
ftp> cd pub
250 "/pub" is the current directory.
ftp> ls -la
229 Entering extended passive mode (|||41781|).
125 Data connection already open. Transfer starting.
226 Transfer complete.
ftp> exit
221 Goodbye.