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<== Date ==> | <== Thread ==> |
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Subject: | Re: Testing Rocky Linux with EPICS |
From: | "Hu, Yong via Tech-talk" <tech-talk at aps.anl.gov> |
To: | Abdalla Ahmad <Abdalla.Ahmad at sesame.org.jo>, "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov> |
Date: | Sat, 11 Jun 2022 01:51:24 +0000 |
Hello Abdalla, From:
Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Abdalla Ahmad via Tech-talk <tech-talk at aps.anl.gov> Hi I recently investigated Rocky Linux to deploy EPICS IOCs, I mainly focused on configuring the firewall (both firewall-cmd and iptables). I have tested the following cases:
Eventually, this is the configuration I used: /usr/bin/firewall-cmd --permanent --add-port=5064/tcp /usr/bin/firewall-cmd --permanent --add-port=5064/udp /usr/bin/firewall-cmd --permanent --add-port=5065/tcp /usr/bin/firewall-cmd --permanent --add-port=5065/udp /usr/bin/firewall-cmd --permanent --add-protocol=tcp /usr/bin/firewall-cmd --permanent --add-protocol=udp /usr/bin/firewall-cmd –reload I wonder what is the difference between RHEL 7 and 8 firewall configurations? On CentOS 7, we have firewalld running but with no configuration and we flush iptables (except for the UDP broadcast rule above).
What is the best scenario here or which is better firewalld or iptables in this case? I think for some reason, firewalld does not allow UDP broadcast and I could not figure out how to do it in firewall-cmd. Any feedback is really appreciated. Best Regards, Abdalla. |