2014年12月21日 · I am trying to open some ports in CentOS 7. I am able to open a port with the following command: firewall-cmd --direct --add-rule ipv4 filter IN_public_allow 0 -m tcp -p tcp --dport 7199 -j ACCEP...

That's the way that firewall-cmd is designed to work. If you want it to list the ports then you'll either have to open them with --add-port or edit the code of firewall-cmd so that it shows the ports as well as the services.

2018年12月5日 · $ firewall-cmd --get-services But this doesn't tell me what ports are configured with the services.

2019年9月9日 · #!/bin/bash # Assuming that your Linux box has two NICs; eth0 attached to WAN and eth1 attached to LAN # eth0 = outside # eth1 = inside # [LAN]----> eth1[GATEWAY]eth0 ---->WAN # Run the following commands on LINUX box that will act as a firewall or NAT gateway firewall-cmd --query-interface=eth0 firewall-cmd --query-interface=eth1 firewall-cmd --get …

2023年6月12日 · firewall-cmd --list-ports This was just a demonstration to show how both the port and the protocol can be used to create a combination. Services are even better

2020年9月24日 · Last time I checked firewall-cmd cannot block outgoing connections and I'm not sure about I can still use certain ports such as 22 (SSH), 80 (HTTP), etc. - if you're connecting locally, i.e. to 127.0.0.1, all the ports will be open. –

2021年5月27日 · That's priority, it's used to order the rules. From firewall-cmd manpage: [--permanent] --direct--add-rule { ipv4 | ipv6 | eb} table chain priority args. Add a rule with the arguments args to chain chain in table table with priority priority. The priority is used to order rules. Priority 0 means add rule on top of the chain, with a higher ...

2015年11月18日 · firewall-cmd --permanent --add-port=34777/udp --zone=public firewall-cmd --permanent --add-port=34777/tcp --zone=public The configuration of mount port is different from distro, some uses /etc/sysconfig some other use /etc/default, some other require to edit scripts..check the docs for your distro.

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firewall-cmd --permanent --zone=public --add-port=12345/udp firewall-cmd --reload This probably won't work because the mdns service opens up UDP 5353 and you've mentioned this doesn't help. Solution 2: Create a service: