Firewall in ubuntu 18.04

Disable ufw

$ sudo ufw disable
Firewall stopped and disabled on system startup

Source: linuxconfig.org

Firewall in ubuntu 18.04

Managing UFW from command line
UFW ( Uncomplicated Firewall ) firewall is a default firewall on Ubuntu 18.04 Bionic Beaver Linux.
Check a current firewall status
By default the UFW is disabled. You can check the status of your firewall by executing the following linux command:

$ sudo ufw status
[sudo] password for linuxconfig: 
Status: inactive

For more verbose output append word verbose to the above command:

$ sudo ufw status verbose

Enable Firewall
To enable firewall execute:

$ sudo ufw enable
Command may disrupt existing ssh connections. Proceed with operation (y|n)? y
Firewall is active and enabled on system startup

Firewall, is now enabled:

$ sudo ufw status
Status: active

Source: linuxconfig.org

Similar codes

0 vote122 views1 answer
How to install pytesseract in rpi
Shell/Bash
4 votes118 views4 answers
How to update kali linux
Shell/Bash
0 vote122 views1 answer
Fenser öffnet sich nicht powreshell
Shell/Bash
0 vote143 views4 answers
Install watchman windows
Shell/Bash
0 vote126 views1 answer
Understanding tcpdump output
Shell/Bash
0 vote196 views1 answer
Regex all not numbers
Shell/Bash
11 votes120 views1 answer
React-native init directory locked in ubuntu why
Shell/Bash
0 vote129 views1 answer
Fix is installed in '/home/incredible/.local/bin' which is not on PATH
Shell/Bash
0 vote128 views1 answer
Pip install notifiy
Shell/Bash
0 vote121 views1 answer
Install-Package MailKit
Shell/Bash