Extract the RPMs from the downloaded file tar xvzf nw821_linux_x86_64.tar.gz Install the RPM using Yum cd linux_x86_64/ yum install lgtoclnt-8.2.1-1.x86_64.rpm Add Exclusions to the Firewall using Firewalld Create Firewall Service Profile for Networker [root@CYRIL services]# cat /etc/firewalld/services/Networker.xml <?xml version="1.0" encoding="utf-8"?> <service>...