All Questions
21
questions
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
- 1
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 ...
- 217
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 ...
- 21
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 ...
- 43
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
...
- 1,419
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 ...
- 53
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, ...
- 63
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 ...
- 155
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 ...
- 465
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 ...
- 903
3
votes
3
answers
6k
views
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
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 ...
- 1,138
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 ...
user24668
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 ...
- 31
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 ...
- 2,431
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 ...
- 1,007
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 ...
- 203
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.
- 921
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 ...
- 113
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?
- 965