Questions tagged [gufw]
Graphical interface firewall based on Ubuntu Linux ufw.
46
questions
80
votes
5
answers
75k
views
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.
70
votes
5
answers
143k
views
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?
10
votes
1
answer
1k
views
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 ...
8
votes
2
answers
7k
views
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 ...
6
votes
2
answers
2k
views
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 ...
3
votes
1
answer
1k
views
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?
3
votes
4
answers
15k
views
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?
3
votes
1
answer
3k
views
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 ...
3
votes
1
answer
1k
views
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 ...
3
votes
3
answers
6k
views
gufw on ubuntu 16.04 don't run
It doesn't run properly when I click and closes automatically.
2
votes
2
answers
4k
views
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 ...
2
votes
2
answers
2k
views
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 ...
2
votes
1
answer
2k
views
Do I need to allow incoming DHCP traffic?
I enabled gufw with it's default settings, deny incoming, allow outgoing. I haven't noticed any problems with usability, but I was told that I have to allow incoming UDP traffic from port 68. Do I ...
2
votes
1
answer
3k
views
ufw-init errors out with Bad argument DROP
I don't know unfortunately when it stopped working, because I was using it as a fire and forget solution. Not so long ago I checked it with gufw and was stunned to realize my machine is naked.
root@...
2
votes
1
answer
1k
views
Firestarter vs gufw after 2018?
Firestarter was a package available through Debian that showed active connections (and a few other features which gufw does not have).
You could observe the log of attempts to connect and create rules ...
2
votes
1
answer
3k
views
UFW - How to make it easier and what are stealth ports can UFW have these? [closed]
Let me show u what I jusat wasted 2 hours doing:
To Action From
-- ------ ----
22 REJECT Anywhere
23/tcp ...
2
votes
1
answer
5k
views
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 ...
2
votes
2
answers
6k
views
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 ...
2
votes
0
answers
3k
views
UFW Settings - Application Integration [closed]
I have installed the Ubuntu system, and deny both incoming and outgoing ports loosing internet access.
Now I want access only for my Firefox that I have installed separately from the Firefox website ...
2
votes
0
answers
207
views
Should I be using a firewall in Ubuntu? [duplicate]
Possible Duplicate:
Why is the firewall disabled by default?
I installed both gufw and Firestarter but I'm hesitant to activate one of them because I don't know too much about firewalls in ...
1
vote
3
answers
3k
views
Is the firewall active or not?
I'm confused about the status of my firewall. Using the Ubuntu Software Center, I have installed Gufw.
Problem:
When the Firewall is locked, it looks like it's inactive. But when I unlock it, it's ...
1
vote
1
answer
1k
views
I can't open gufw in Ubuntu 16.04
** (gufw.py:28335): WARNING **: Failed to load shared library 'libwebkitgtk-3.0.so.0' referenced by the typelib: libgbm.so.1: 無法開啟共用目的檔: 沒有此一檔案或目錄
/usr/share/gufw/gufw/view/gufw.py:117: Warning: ...
1
vote
2
answers
256
views
ClamAV and UFW on 18.04
I have loaded ClamAV: Ubuntu 18.04. Ran it and it found a bunch of junk that was deleted. I also installed ClamTK.
My question is if I activate UFW (would prefer the GUI version) will it cause a ...
1
vote
1
answer
1k
views
Add more applications to the Gufw drop down menu
I'm setting rules for ufw using the Gufw.
In the preconfigured tab, there are applications which I can set to allow internet access.
How can I add more applications to that list?
1
vote
1
answer
377
views
Firewall Public Network Security
I have seen that utilisation of a firewall when using a public network is recommended.
So I install ufw and gufw and deny incoming connection and allow outcoming connection on all profiles.
Is that ...
1
vote
1
answer
1k
views
What do colors in GUFW firewall report mean? [duplicate]
There are red and grey text in GUFW firewall report.
I can't figure out what do they mean. Tried googling it up but best I could find was mention that there are "color codes" in report.
Originally ...
1
vote
1
answer
520
views
GUFW logging unclear
edit: after the first comment, I adapted the question
When adding a rule in GUFW/Advanced there are three choices for logging. From the man ufw page/sectin LOGGING i learned
do not log - log nothing
...
1
vote
1
answer
239
views
Why do rules I create in graphic firewall (gufw) get deleted (force deleted)?
I used the graphic firewall in 18.04 to create rules for 3 services. At the time they were created, the rules were fine and the items accessible from other machines on my home network.
The next day, ...
1
vote
1
answer
866
views
Can't open 4444 port in gufw
I've added a SSH rule for adding 4444 port in my distro through gufw but when I run
nmap -sV 10.9.0.136 -A
it shows :
Starting Nmap 7.40 ( https://nmap.org ) at 2017-04-25 11:30 IST
Nmap scan ...
1
vote
0
answers
169
views
Gufw fails to control ufw
ufw is 0.34
gufw is 15.10.0
As title says it is not possible to control the active status of ufw through gufw:
sudo ufw status
Status: Inaktiv
start gufw, enter root passwort to authenticate. ...
1
vote
1
answer
951
views
Gufw does not open in Ubuntu 14.04
I'm using Remote Desktop Manager to access another system which uses Ubuntu 14.04 with Xfce 4.10 desktop. I recently installed Gufw. When I click it from Application Menu\Systems, it does not open.
...
1
vote
0
answers
217
views
Google Talk > Gufw set to Deny/Deny does BLOCK. Please help
I have my Ubuntu 12.04 Server. I installed Google Talk in it. I opened gufw, and set it to deny/deny and there are no allow rules.
Now firefox wont connect to the internet which is good... But... ...
0
votes
1
answer
780
views
GUFW from desktop icon
I am trying to launch gufw from an icon on my desktop. Now gufw requires sudo to run. I found an application that did the same thing but for nautilus (http://lifehacker.com/5596006/create-an-...
0
votes
3
answers
3k
views
GUFW not launching on Ubuntu 17.04
The authentication window pops-up but then I'm getting a bunch of errors (in the console) and nothing happens. Looked up similar issues on the Internet and tried the following:
updating the OS
...
0
votes
1
answer
5k
views
How to add Gufw to start up? [duplicate]
want to know because I am tired of just clicking on the launcher because I just leave my laptop on. Please help me. Thank You
Pass does not apply
When the program is activated
0
votes
1
answer
283
views
GUFW for console?
I like the GUFW, but need something similar for console. I mean an interactive software without need to remember all the command line keys. Could you suggest one?
0
votes
0
answers
33
views
firewall is enable but gufw wont lauch
The firewall is enabled. But I can't launch gufw interface.
sudo ufw status
Status: active
0
votes
1
answer
450
views
easy firewall ufw settings for a beginner coming from windows [duplicate]
I am used to firewall on windows. everything is allowed and new apps have to ask for permission.
when I look at current connections in settings' firewall tab, only a few have program names associated ...
0
votes
1
answer
516
views
Why can't I block an IP range with gufw?
I've been working on a solution to this for weeks, and I'm about to say screw it and write a python app that can actually block IP addresses, because so far nothing seems to work like it's supposed to....
0
votes
0
answers
190
views
Why is this rule in Gufw, to prevent Firefox from communicating to a HTTP server, not working?
The rule I'm having problems with is the following:
After setting it, I'm still able to use Firefox to connect to a HTTP server. Why is that rule not working? From what I understand, the reply of the ...
0
votes
0
answers
141
views
setting up gufw via VNC
Suppose I am using Remmina to access vnc4server via this SSH tunnel:
ssh -L 5901:127.0.0.1:5901 user@remoteIp
Then I install gufw. It has an on/off switch. As soon as I switch it on there are no ...
0
votes
0
answers
535
views
Skype Bypass UFW While Transmission Can't Even Open Port
I'm new to Linux.
On Windows I'm used to have the firewall triggered automatically by an application and then I authorize whether or not to let the application access real world.
Linux using UFW has ...
0
votes
1
answer
549
views
etc/gufw/app-profiles
In my etc/gufw folder I have an app-profiles folder which contains many txt files such as "overkill.jahnsonxi" and "blood2.jhansonxi" I'd really appreciate someone explaining what these are.
I've ...
0
votes
1
answer
362
views
How can I change my firewall settings in dependency of my network environment?
I need ports open at home for syncthing, but want incoming connections blocked when on any other network. How do I do this with Ubuntu?
Without this feature I quite often end up turning off the ...
0
votes
1
answer
872
views
Are the Gufw default profiles empty?
I've just installed gufw on my notebook. I'm trying to setup my laptop with a very secure - roadwarrior - type of configuration. So the choices available in GUFW with a public, home and office profile ...
0
votes
1
answer
114
views
How do I activate Ip tables or UFW with ease. Also, use elevation to activate
How do I activate Ip tables or UFW with ease. Also, use elevation to activate. Further once active how to I block all unsolicited incoming coneections and yet allow all outgoing connections