Questions tagged [firewalld]

firewalld provides a dynamically managed firewall with support for network or firewall zones to define the trust level of network connections or interfaces.

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I-TEC Docking Station connection services ports problems 20.04

I use a CLEVO laptop with Ubuntu 20.04, gnomeshell 3.36.8 and I use firewalld, not UFW. It's connected via USB 3 (it is also possible to connect it with a USB C but the problems remain) to an I-TEC ...
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firewalld not adding interface

On ubuntu 20.04 running netowrking and configuring the network using netplan, if i install firewalld i though that by default all interfaces are added to the public zone, but it seems like it is not. ...
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370 views

firewalld vs iptables

I have read on the internet that firwalld or ufw are the frontends of iptables, but I'm wondering why when start firewalld in my system iptables stop, and when I start iptables firewalld stop ?! ...
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603 views

Block Webpage Using Firewalld

I am trying to get my firewalld to block an ip address with the rules: sudo firewall-cmd --zone=block --add-source=<ip_address/submask> --permanent, and also adding this richrule to the default ...
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47 views

How to apply different zones to wired LAN with firewalld without end user intervention?

Using firewalld and NetworkManager, how do I apply different zones to different wired connections like one could do with private/public profiles on Windows or wireless connection on Ubuntu? Only one ...
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363 views

why is command in /etc/rc.local asking for password?

This makes rebooting very annoying. How can I setup my firewall setting in /etc/rc.local so that at reboot I will not get prompted to enter my password? (OS is Ubuntu 18.04) I would like my ...
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437 views

Firewalld Rules on Ubuntu 16.04

I wanted to allow SSH within my Ubuntu 16.04 machine from a specific MAC address. I've tried the following: Removed ssh services from the default zone - "public": firewall-cmd --zone=public --...
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147 views

How to make FirewallD and hybrid-sleep work together?

I have firewalld working following the answer Firewalld does not start at boot. I have hybrid-sleep working following How do I use pm-suspend-hybrid by default instead of pm-suspend? However, if ...
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How to redirect requests to a proxy that requires authentication using firewalld?

I have a VM running ubuntu. The internet's access is through proxy of company, and its requiring authentication Ex: http_proxy=http://USER:PASS@IP:3128/ I am trying, unsuccessfully, create a rule ...
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725 views

Why doesn't work without masquerade?

I have router - G, my desktop - D, laptop - L. I want to connect L to the internet via D. G at 192.168.1.1 D: enp1s0 - 192.168.1.2/24, gw G, eno1 - 10.0.0.1/16, serves as a router for L L: enp1s0 - ...
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13k views

How can we replace iptables with firewalld in ubuntu 16.04?

In Ubuntu 16.04, can we install firewalld services?
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10k views

Can I install a GUI for firewalld?

I have installed firewalld as it is more advanced than gufw, however I see that firewalld does not come with a GUI and I'm not going to be the only one using it so I am wondering if there is some sort ...