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Questions tagged [gufw]

Graphical interface firewall based on Ubuntu Linux ufw.

It supports common tasks such as allowing or blocking pre-configured services, common P2P, or individual IP/port(s), and many others!

45 questions
82
votes
5 answers

Why is the firewall disabled by default?

Why is ufw firewall included in Ubuntu, when it is not enabled and pre-configured by default? Most users don't even know it is there, because no GUI frontend is provided.
6205
  • 941
74
votes
5 answers

How can I open a range of ports in ubuntu using (g)ufw

I have to open up a group of ports. Adding the single ports to (g)ufw was easy enough but I can't work out how to open the range 11200-11299. How do I do that?
Pieter Breed
  • 1,005
10
votes
1 answer

Precautionary security measures for a home user? (firewall, antivirus, etc)

I just recently made the switch from Windows to Ubuntu, and I'm just a little paranoid when it comes to security measures. I've looked around and from what I've read, security is not as big a concern as on a Windows OS, but I just want to make sure…
Shane
  • 203
8
votes
2 answers

Block internet if vpn connection drops

Trying to set up gufw so that it if my vpn connection drops, my computer won't be able to access the internet any more. My plan was to block all outgoing, but allow only a connection to the IP of my vpn server, but I find when the firewall is…
jl354
  • 81
6
votes
2 answers

Does Ubuntu come with a firewall by default?

I have been told that Ubuntu comes with the firewall UFW. Is this true? Is there a GUI for it? If so, what is its name and where do I download? Is it possible for UFW to notify us (like in windows with a pop-up window) when someone wants to access…
LuC1F3R
  • 113
3
votes
3 answers

gufw on ubuntu 16.04 don't run

It doesn't run properly when I click and closes automatically.
Denis
  • 31
  • 1
  • 2
3
votes
4 answers

How can I use Firefox with Ubuntu firewall (gufw)?

I don't know how can I allow the permission for Firefox in the gufw firewall. Can someone help me please?
user188857
  • 31
3
votes
1 answer

Gufw doesn't show my current iptables rules

I bought a new machine, so, what I did was save my current iptables using iptables-save and imported the rules into the new machine with iptables-restore command. If I run iptables -L command in the new machine I can see all my rules, but if I open…
Nonox
  • 31
3
votes
1 answer

Ufw don't working ERROR: not enough args

I have installed ufw and gufw in Ubuntu 18.04 with XFce4.12 environment. I was exploring its configurations, then I looked for some tutorials to configure it and when I run sudo ufw it returns this to me: ERROR: not enough args Then I run: $ sudo…
Raul Delgado
  • 83
3
votes
1 answer

gufw - rules listed in red and green. What do these colors mean

In the gufw rules table listing, some rules are printed in red and some in green. What is the meaning of these two colors?
Stephen Boston
  • 4,186
2
votes
1 answer

How can I set up GUFW so that only firefox connects to the internet

I only want http, https and DNS to be open. I'm having troubles with setting up port ranges in the UFW GUI. How do I input configs into the feilds? Basically, something along the lines of this, but in GUFW, as I'm trying to convert my Windows…
mloman
  • 1,017
2
votes
2 answers

Is there a way to whitlist ip's and block everything else

So i'm running ubuntu on my vps. But the problem is that i have kids trying to figure out the password of the FTP connection and the VNC connection. (with succes). Now i want to ask is there a way to disable ALL INCOMING connections except my ip and…
Cyber_Star
  • 903
2
votes
2 answers

Can gufw profiles be switched automatically?

In gufw, you can set up different profiles (home, office, ...) with different rules. This is cool, but: Is there a way to automatically select a profile, depending on the presence of a wifi access point for example ? I couldn't find any information…
alci
  • 5,979
2
votes
1 answer

UFW - How to make it easier and what are stealth ports can UFW have these?

Let me show u what I jusat wasted 2 hours doing: To Action From -- ------ ---- 22 REJECT Anywhere 23/tcp REJECT Anywhere 79/tcp …
P3nT3stLearner
  • 45
2
votes
2 answers

firewall ufw is "enable and active" but gufw is off

question concerning the ufw firewall : sudo ufw enable returns Firewall is active and enabled on system startup sounds fine, but when i start gufw after reboot, it is still off what does that mean ? the gui is off and the firewall is running ? (i…
riimzzai
  • 1,128
1
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