![]() If you feel you need a more elaborate firewall with more option than Juggernaut Security and Firewall might be something for you to look in to. As stated before the Plesk firewall is solid, but basic in functionality. In general it's not recommended to run two different firewalls as things can get messy. (No need to open the Firewall for all traffic tough). You actually do need to open the alternative SSH port in a firewall rule. As I (wrongly) thought that the firewall would recognize on which port SSH was running. A summary of other Webex Hybrid Services and documentation. I initially was under the impression that if you configured a different SSH port it wasn't necessary to specifically open that port with a firewall rule. Ephemeral Ports 8000 - 59999 : Inbound : Media Ports : On an enterprise firewall, pinholes need to be opened up for incoming traffic to Expressway with a port range from 8000 - 59999. The Plesk firewall closes all ports, except for those service listed as Allowed in (or listed as ACCEPT if you use the iptables commands). Which reflects the rules in the Plesk firewall. You can however use sudo iptables -S INPUT and sudo ip6tables -S INPUT to list all firewall rules for incoming traffic. I am not sure if there is a command that specifically will list all open ports. But there is not so much risk when you leave these open. DHCP client might not be needed depending on your DNS management. IPv6 neighbor discovery is also not needed. If you don't use PostgreSQL, you could disable it. You might also need 3306 open if you want to access your database server from the outside.īasically, the default Plesk setting is already a good choice. You need at least 80, 443, 8080, 8443, 8447, 21, 22 open, but also the ephemeral range, as software like FTP only establishes the connection through the services port, but then transmits data through a random port in upper ranges. No, specifically the ephemeral port range should not be blocked. Use the Route based on physical NIC load teaming algorithm for the Management Port Group. Since the vCenter Server managing the workload domain resides in the management domain, there is no need for an ephemeral port group for vCenter Server recoverability. All of them are software/kernel based and are doing their job right. This allows for historical data and port level monitoring. There is not much quality difference between different OS firewalls. Plesk is an easy interface to the otherwise complex firewall software. Determine if the firewall is ON on the segments and the master: service iptables status. Plesk is using the firewall that comes with your operating system.
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