8 min
Outbound firewall ports every hosting license check needs
Every host and port your licensed panels and add-ons call out to — cPanel, Plesk, LiteSpeed, CloudLinux, Imunify360, KernelCare, JetBackup, Softaculous, InterWorx, R1Soft, Blesta.
2026-09-08
7 min
Set up the Plesk Firewall extension without locking yourself out
Enable the Plesk Firewall extension, open the right ports, write custom allow/deny rules by IP and country, and use the 60-second rollback so a bad rule never strands you.
2026-07-08
9 min
R1Soft port reference and firewall rules for SBM and agents
Every port R1Soft Server Backup Manager and its agents need, the direction each connection runs, and copy-paste firewall rules for firewalld, CSF, UFW, and AWS security groups.
2026-05-18