Linux Ubuntu Firewall UFW - $ sudo ufw app list $ sudo ufw app info "Nginx HTTP"

• To view which applications have installed a profile, enter the following in a terminal:

  sudo ufw app list
  

• Similar to allowing traffic to a port, using an application profile is accomplished by entering:

  sudo ufw allow Samba 

  Seen above is text from URL = 

  https://help.ubuntu.com/lts/serverguide/firewall.html#firewall-ufw 

  The example needs to be corrected to include the APPLICATION name within Double Quotes 

  dhankar@dhankar-VPCEB44EN:~/Desktop$ sudo ufw app list
  [sudo] password for dhankar: 
  Available applications:
    CUPS
    Nginx Full
    Nginx HTTP
    Nginx HTTPS
    OpenSSH
    Samba
  dhankar@dhankar-VPCEB44EN:~/Desktop$ sudo ufw app info NginxHTTP
  ERROR: Could not find profile 'NginxHTTP'
  dhankar@dhankar-VPCEB44EN:~/Desktop$ sudo ufw app info Nginx HTTP
  ERROR: Could not find profile 'Nginx'
  dhankar@dhankar-VPCEB44EN:~/Desktop$ sudo ufw app info "Nginx HTTP"
  Profile: Nginx HTTP
  Title: Web Server (Nginx, HTTP)
  Description: Small, but very powerful and efficient web server
  
  Port:
    80/tcp
  dhankar@dhankar-VPCEB44EN:~/Desktop$ 
  
  

  
  

  
  

  

  
  

  
  

  
  

  Author - ROHIT DHANKAR 

  https://www.linkedin.com/in/rohitdhankar/