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Questions tagged [firewalld]

Questions regarding firewalld a firewall service daemon

Firewalld is a service daemon with D-Bus interface

Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces.

Site: http://www.firewalld.org/

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firewalld override subnet rule for a particular IP

I would like to allow some ports from a network, and more ports from an IP of this network. I am not sure how to do it. Is it possible to have something like this in my custom zone.xml ?
rmo rissabikis
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how to open port 10051

Zabbix server does not see the active port 10.150.26.101 - my ceph server 10.247.8.54 - my zabbix proxy server firewall on target server OS centOS7 [root@ceph-02 ~]# firewall-cmd --info-service=zabbix-agent2 zabbix-agent2 ports: 10050/tcp…
Tahugava
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How to write output control for Linux Firewall

I'm posting from Japan. I'm not very good at English, so I'm sorry if I'm asking rude questions. I'm using AWS EC2 to build a server. I am familiar with using AWS SecurityGroup and NACL. This time I also need to configure the Firewall for the Linux…
kazujapanese
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No module named _dbus_bindings fedora 34

This morning I restarted the computer and I found that System Security Services Daemon(SSSD) and Firewalld services didnt start, so I used systemctl status to view the problem and I got Firewalld: >systemd[1]: Starting firewalld - dynamic firewall…
Alvin Ben George
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Firewalld - what am I doing wrong (allow port from single source, block same port for everyone else)

I need port 1270/tcp open for SCOM monitoring. So, I've created a new zone 020_scom (since I know alphabetic ordering can cause preference issues... I make mine with digits beginning the names) Then added the port 1270/tcp and my single source ip…
STOIE
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oVirt cockpit intstallation Enforce firewalld status ERROR

I'm trying to deploy a self-hosted oVirt on Centos Stream as per https://www.ovirt.org/documentation/installing_ovirt_as_a_self-hosted_engine_using_the_cockpit_web_interface/ However, I'm getting following error during VM deployment [ INFO ] TASK…
NBayaman
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how to check which settings or rules block access by firewalld

I`m trying install a guest vm with bridge network setting on fedora 32, but in the guest can only access host when firewalld on host is turned on. I have set LogDenied=all, but nothing logged. How can I check or monitor which settings or rules in…
Tommas Yuan
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pgAdmin4 server mode not accessable after executing firewalld

I installed PostgreSQL 12, PostGIS, and pgAdmin4 in server mode. I could access pgAdmin4 through the domain name. However, when I tried to access the PostgreSQL database via QGIS or RStudio it gave the below error: Is the server running on host…
RBK
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Firewalld port forward reports Connection refused

I want to forward 9876 of 192.168.9.111 to 192.168.9.112:3333, configured as follows: # firewall-cmd --list-all public (active) target: default icmp-block-inversion: no interfaces: eth0 sources: services: dhcpv6-client ssh ports:…
Incömplete
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firewalld command alternative of iptables -P FORWARD ACCEPT

firewalld command alternative of iptables -P FORWARD ACCEPT I have to run iptables -P FORWARD ACCEPT in order to run kubernetes cluster and communicate from pods using the service name. Problem is that I have k8s cluster running on centos7 and using…
Anil Singh
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Drupal Container not connecting to MariaDB container

OS: CentOS 8 Docker Containers: drupal:latest & mariadb:latest I've been trying to learn Docker containerization by making a Drupal container connect to a MariaDB container for almost two weeks now, and couldn't figure out what was wrong. I just…
user2470057
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Disabling firewall on a CentOS7 EC2 instance using a custom AMI

I built an AMI (RedHat Linux) using Amazon's EC2 Image Builder service. I created a EC2 instance using this AMI, and found that there are certain firewall rules set (ran the following command iptables -nL). Unfortunately, I was not able to find the…
anjali
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How to install kubernetes using kubeadm on a host walready running docker multi container application

I'm trying to install kubernetes on one of my centos host using kubeadm. But in the same host, there is already running microservices multicontainer application. When i enable the firewalld service while installing kubernetes to allow the ips which…
ShanWave007
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How firewall-cmd reads text content

I have a text file with the following content: 1.1.1.1 2.2.2.2 3.3.3.3 4.4.4.4 How to extract the content of each line and use it as a variable to allow firewall-cmd to read and write rules
zhang Jacky
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Can not VNC to a GCP Linux VM

I had a Linux (Debian 9) VM running inside the GCP, I can ssh to it via PuTTY. Now I want to use VNC to connect it and failed. The following steps are what I did so far. I tried to follow the article…
chen lin
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