0
votes
1answer
97 views

Is it possible to put UFW on CentOS?

If so, how would I do it? If not, is there an easier way to set some basic rules on CentOS other than iptables? I'm more of an app developer and less of a sys admin.
0
votes
1answer
84 views

UFW default rules… where are they?

In the tutorial on UFW here https://help.ubuntu.com/community/UFW it says that UFW uses the default rules if enabled and not configured. I checked the folder: /etc/ufw/ and the files I found ...
0
votes
1answer
81 views

With ufw, how do I limit SSH from outside, and not from inside?

Using UFW, limiting connection attempts for things like SSH is real easy: # ufw limit SSH However, I'd like to limit only the public-facing interface, not the LAN interface. This command does it ...
1
vote
1answer
285 views

UFW: block all traffic for port 3306

How can I block all traffic for just one port? Take the following situation: Ubuntu Desktop VM Browser has access to internet (port 80 stays open) Ubuntu update services work normally (may not be ...
0
votes
1answer
271 views

UFW rules for specific host / dynamic dns

How can I setup UFW (Uncomplicated Firewall) to add rules for specific hosts? Eg. I want to allow SSH only from yourpc.no-ip.org?
0
votes
0answers
230 views

Allow only VPN traffic with GUFW not working

Running Kubuntu 13.04 I have read this tutorial about only allowing torrent traffic with GUFW but it seems this is not working for the browser. My torrent application is working but I cant browse any ...
1
vote
2answers
1k views

UFW is active but not enabled why?

I was trying to setup a firewall in my Ubuntu 12.04 machine. After some struggling I got the following. Isn't this sounds a bit odd? thomas@thomas-K40IJ:~$ sudo ufw status verbose Status: active ...
1
vote
1answer
39 views

Delete a previously added rule in ufw

I created a firewall rule for an application and put into /etc/ufw/applications.d, added that rule with command sudo ufw allow MyApp but now I cannot delete it. When I do sudo ufw delete MyApp ...
1
vote
0answers
77 views

Configure application integration with ufw firewall

I've read the ubuntu developer docs regarding the ufw here, but couldn't find what I was looking for. It allows me to set rules for controlling in/out traffic based on source IP or port numbers, but ...
6
votes
2answers
236 views

Open up firewall automatically to anybody who has successfully connected via SSH

I have a server which runs a few services. However, for security reasons, I configured the server so that nothing, except for SSH, is accessible from outside. What I'd like to do instead, though, is ...
0
votes
1answer
749 views

Opening firewall to incoming port 443

I recently set up the ufw firewall on a Linux machine so that outgoing connections are allowed, incoming connections are denied, and denied connections are logged. This seems to work fine for most ...
1
vote
0answers
233 views

Can ipmasq and ufw be used together?

If both ufw and ipmasq manipulate iptables, can I use ipmasq for a quick easy setup and then use ufw afterwards to add security or will the two just trample all over the iptables "stuff"? I'm playing ...
1
vote
1answer
1k views

Debian - starting UFW (Uncomplicated Firewall) before network interfaces are operational

I want to install UFW on Debian Lenny. Everything looks straightforward except that I don't know where to plug UFW startup script so that it configures iptables before hax0rs can break in. I've ...
0
votes
2answers
530 views

Ubuntu Linux UFW Firewall, Local Intranet Access

At home, I have Ubuntu server with the UFW firewall. What command do I type to turn on local intranet access to my web server, but keep the outside world out from my DSL modem?
0
votes
1answer
515 views

ufw says a port is open, everyone else disagrees

I am running apache2 on Ubuntu 9.10, and I want expose a particular site through port 10045. My first instinct was to go to ufw and open that port. I've done that, and if I do a list of rules in ufw ...
2
votes
4answers
5k views

UFW as an active service on Ubuntu

Every time I restart my computer, and check the status of the UFW firewall (sudo ufw status), it is disabled, even if I then enable and restart it. I tried putting sudo ufw enable as one of the ...
-1
votes
3answers
2k views

Best firewall for Ubuntu [closed]

I currently have ufw and Firestarter installed on my Ubuntu Desktop 9.10 Which one should I stick with?
0
votes
2answers
809 views

How do I know which firewall is running on Ubuntu 9.10?

I've always used ufw by default, even though I also had installed Firestarter After upgrading from Ubuntu 9.04 to 9.10, by way of Update Manager, I've found ufw disabled (when I look at gufw). How ...
2
votes
5answers
875 views

ports I should block

I recently set up an Ubuntu Server at home, and the first thing I did was place the UFW firewall at full power. Bad move. I could not even "rlogin" to it. I just disabled the firewall, and would ...