Use ubuntu part of the Port of ---- command to open port / Open command to use part of the firewall port open port ---- ubuntu / Open firewall

Use ubuntu part of the Port of ---- command to open port / Open firewall

  https://www.cnblogs.com/zqunor/p/6417938.html

Environmental systems: ubuntu

Tools: xshell + virtualbox

 

1. Test the remote host port is turned on (the next windows command line)

1	telnet 192.168.1.103 80

80-port 80-port, remote access host host test whether open

 

 

2. Check local port open case (the next ubuntu)

1	sudo  ufw status

　　

 

3. Open (the next ubuntu) 80-port

sudo ufw allow 80

 

4. Firewall turn (the next Ubuntu)

    
sudo ufw enable

　　

5. Firewall restart (the next Ubuntu)

sudo ufw reload

6. Check port

 iptables -nL

Environmental systems: ubuntu

Tools: xshell + virtualbox

 

1. Test the remote host port is turned on (the next windows command line)

1	telnet 192.168.1.103 80

80-port 80-port, remote access host host test whether open

 

 

2. Check local port open case (the next ubuntu)

1	sudo  ufw status

　　

 

3. Open (the next ubuntu) 80-port

sudo ufw allow 80

 

4. Firewall turn (the next Ubuntu)

    
sudo ufw enable

　　

5. Firewall restart (the next Ubuntu)

sudo ufw reload

6. Check port

 iptables -nL