FTP Server

Installation

sudo apt install vsftpd

Check the status of FTP Server using the below command

sudo service vsftpd status

You can see FTP is active and running smoothly

cd /etc

1)List the directory to check if vsftpd.conf is present or not\

Open the vsftpd.conf file now

sudo nano etc/vsftpd.conf

Uncomment this to allow local users to log in. local_enable=YES

Uncomment this to enable any form of FTP write command. write_enable=YES

At the end of the file, Add the following code:

user_sub_token=$USER
local_root=/home/$USER/ftp
passv_min_port=10000
passv_max_port=10100

Now save it by pressing Ctrl+X and then Y

Configure the Firewall and open the ports

sudo ufw allow from any to any port 20,21,10000:10100 proto tcp

Now, the ports are open and ready to accept the traffic

Create a user who can access FTP on the device

sudo adduser $(user1)

Create an FTP folder for the user in the home directory

sudo mkdir /home/$(user1)/ftp

Configure the ownership of the user

sudo chown nobody:nogroup /home/$(user1)/ftp

sudo chmod a-w /home/$(user1)/ftp

Create a directory for user to access for transfers dir_name=uploads

sudo mkdir /home/$(user1)/ftp/dir_name

sudo chown $(user1):$(user1) /home/$(user1)/ftp/dir_name

echo "my FTP server" | sudo tee /home/$(user1)/ftp/dir_name/demo.txt

You can check the persmission for ftp directory by running this command

sudo ls -la /home/$(user1)/ftp

Add the created user to FTP users list to login

echo "$(user1)" | sudo tee -a /etc/vsftpd.userlist

Restart FTP server to apply the changes

sudo systemctl restart vsftpd
sudo  systemctl status vsftpd

Open the config file again and slide to the bottom

sudo nano /etc/vsftpd.conf

Add the piece of code so that the server only allows access users who are in the local database

userlist_enable=YES
userlist_file=/etc/vsftpd.userlist
userlist_deny=NO