Tagged Questions
0
votes
0answers
47 views
ufw firewall operation
I have always run the program UFW as my firewall in Ubuntu, and been satisifed with its performance. When I installed Ubuntu 13.04, and enabled ufw, I was not able to access the internet, and all ...
14
votes
3answers
245 views
What automated intrusion notification/detection setup is good for home desktop use?
I've been using Linux for quite a while now and I always feel the need to have a passive software / script setup which can alert me of any suspicious network activities like scans, failed login ...
1
vote
1answer
151 views
Setup firewall: ask user to allow new incoming/outgoing traffic?
I'm using Ubuntu 12.10 and as I know there is already a firewall on any ubuntu system. It's ufw and because I like fancy gui stuff I can use gufw, that's very nice.
Now I would like to configure this ...
4
votes
4answers
241 views
How to protect Ubuntu12.10 from Viruses, Spywares, Spamware and Intruders?
I have been using Windows OS for a long time and there i needed to install a separate Anti virus Program (included with firewall, anti spam) etc..
With my mentor's recommendation, I have replaced ...
42
votes
8answers
2k views
What are the risks of NOT using a firewall (home computer)?
Since a password is required to be a superuser (to install and modify programs), what are the risks to not use a firewall under Ubuntu ? More particularly if I am using a NAT router ?
1
vote
0answers
167 views
Ubuntu all versions from 10.04 till 12.10 [closed]
Is simply enabling the firewall ufw (sudo ufw enable) sufficient enough for protection of the OS ? I mean should extra rules be added for 'better' protection, or is simply enabling the firewall enough ...
0
votes
0answers
12 views
Do I need to do something to have my newly installed Ubuntu protected by a firewall? [duplicate]
Possible Duplicate:
Is there a preinstalled or automatic firewall?
I had Ubuntu 11.10 for about 6mo and hardly used it. I just upgraded to Ubuntu 1204 and at the same time, as I was doing ...
4
votes
2answers
282 views
What additional security measures should I apply for Ubuntu?
So on my Windows 7 install, I've got multiple free malware/virus scanners and a firewall up. But I've heard that Ubuntu (or Linux in general) is much more secure by default.
So what additional ...
2
votes
2answers
5k views
What are ICMP redirects and should they be blocked?
After enabling ufw and the Tiger security auditor, I see warnings saying:
The system accepts ICMP redirection messages
What are ICMP redirection messages? Should they be disabled for security ...
1
vote
1answer
246 views
How do I check the status of apf firewall?
How to check whether apf (Advanced Policy Firewall) is running after the reboot? It doesn’t have any status, so how can we know?
0
votes
0answers
327 views
does ubuntu 10 04 lts have a built in firewall and antivirus [duplicate]
Possible Duplicate:
Is there a preinstalled or automatic firewall?
Do I need to have 'antivirus software' installed?
I have just installed ubuntu 10 04 lts on my laptop and I am ...
2
votes
3answers
2k views
What Firewall, anti DDOS and anti Brute-Force managers exist in Ubuntu
I have heard of ufw and of course using iptables but is there any other firewall or port manager for incoming/outgoing connections. I am also looking for GUI based ones apart from terminal ones and a ...
3
votes
2answers
213 views
Is portfowarding to my localhost on my personal Ubuntu computer secure?
After installing Lamp on my personally Ubuntu computer, I am running a application that requires to connect to the web and send SMTP mail; for example paypal needs a www address to notify successful ...
5
votes
4answers
6k views
What rules to use for UFW?
I've decided to enable the UFW that comes with Ubuntu just to make my system even more secure (especially after watching a video of a person whose computer actually got infected!), and I've enabled ...
1
vote
1answer
366 views
How to run any program but prevent it from accessing the Internet
I see a nice tutorial on the subject from 2009:
http://ubuntuforums.org/showthread.php?t=1188099
But wanted something that will (more likely) work on Ubuntu 11.10.
This is a flavor of an ...
2
votes
1answer
214 views
Enforce outgoing port for a machine inside LAN
I'm running Ubuntu Server (natty) in as a gateway/firewall in front of a private network. I have successfully enabled IP forwarding and NAT so the machines behind the firewall can connect to Internet ...
3
votes
1answer
246 views
How can I block a range of IPv6 addresses?
Are there any IP blocking applications or firewalls that support IPv6?
The ones I know about (pgld, moblock (sunset?) , nfblock, iplist (looks old)) are only for IPv4.
9
votes
1answer
492 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 ...
0
votes
1answer
414 views
how do I configure Firewall so ddclient can only connect to internet over port 443? [closed]
I'm trying to setup ddclient to run as a daemon so it can keep my dynamic IP address up to date with my DNS provider.
I configured ddclient to use SSL. But I want to enforce this configuration and ...
3
votes
2answers
3k views
Why UFW has to be (re)started at boot time if it's only iptables rule manager?
README from source package says:
When installing ufw from source, you will also need to integrate it into your
boot process for the firewall to start when you restart your system. Depending
on your ...
11
votes
8answers
2k views
20
votes
4answers
4k 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.
12
votes
1answer
4k views
How to block internet access for wine applications?
Is it possible to prevent specific wine applications or any wine application from accessing the internet? When using certain apps under Windows, they were trying to access the internet from time to ...
8
votes
3answers
7k views
5
votes
2answers
698 views
Ubuntu comes with firewall by default?
I understand the Ubuntu comes with firwallul UFW is true? There is a GUI for it? if so, what is his name and where do I download? It is possible that UFW notify us (like in windows with a pop-up ...
15
votes
5answers
3k views
Is there a preinstalled or automatic firewall?
Does Ubuntu come with a preinstalled or automatic firewall? If not, do I need one?
I've read some articles about the advantages of linux over other operating systems about security (no need to have ...
2
votes
3answers
323 views
Is it possible to configure Ubuntu as a software firewall?
I have some systems running on Ubuntu in the private IP range 192.168.2.0-255 .
These systems are connected to a switch and the switch is connected to the ISP's modem.
Neither the switch nor the ...
8
votes
2answers
3k views
How to set up an Ubuntu 10.04 machine to accept ssh requests only from within the local network?
I am about to install 10.04 (from bare metal to replace 9.04) and I want to set it up so that I can shh into the machine, but only from other machines on my local network. (I.e., I want to reject all ...
