Tagged Questions
2
votes
2answers
2k views
iptables mac address filtering not work
I block every port default by ufw
and add iptables rules like this:
sudo iptables -A INPUT -p tcp --dport 1723 -m mac --mac-source 00:11:22:33:44:55 -j ACCEPT
then I list iptables INPUT rules:
...
0
votes
2answers
510 views
How to make an internet server as firewall using ubuntu 11.10
i have one static broadband connection which is coming to my Ubuntu server with 2 lan cards, there are 10 more PC's to which i need to provide internet connection through Ubuntu server as well as i ...
0
votes
2answers
396 views
Firewall configuration and consequences
I'm using Ubuntu 11.10. And I want to know something about firewall in Ubuntu, because I want to know if it could be the reason why my application doesn't work properly.
Little background:
I'have ...
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 ...
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 ...
2
votes
1answer
653 views
No client internet access when setting up these iptables rules
I have read many other posts but cannot figure this out.
eth0 is my external connected to a Comcast modem. The server has internet access with no issues.
eth1 is internal and running DHCP for the ...
5
votes
2answers
6k views
“FirewallD not running” error when trying to install a printer
When trying to add my printer in a fresh install of 11.10 I get this error message. What does it mean, and what do I have to do? It worked fine in 11.04 (with hplip).
1
vote
0answers
575 views
firestarter firewall will not start [closed]
After I installed firestarter on 11.10 and started it, it gave me some basic choices to configure the firewall. So I chose eth0 and no DHCP and then started the program. But it showed an error and ...
