FTP - 21

ftp anonymous@$host
Connected to 10.129.229.147.
220 (vsFTPd 3.0.3)
331 Please specify the password.
Password: 
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls
229 Entering Extended Passive Mode (|||44662|)
150 Here comes the directory listing.
-rw-r--r--    1 0        0              38 May 30  2022 flag.txt
226 Directory send OK.
ftp> get flag.txt
local: flag.txt remote: flag.txt
229 Entering Extended Passive Mode (|||44969|)
150 Opening BINARY mode data connection for flag.txt (38 bytes).
100% |*************************************************************************************************************************************************|    38      598.53 KiB/s    00:00 ETA
226 Transfer complete.
38 bytes received in 00:00 (0.41 KiB/s)
ftp> put flag.txt
local: flag.txt remote: flag.txt
229 Entering Extended Passive Mode (|||46657|)
550 Permission denied.
ftp> exit
221 Goodbye.

• Anonymous login enabled.

• Cannot upload files.

• Can only read one file.