firewalld
Installation
SKILL.md
Identity
- Unit:
firewalld.service - Config:
/etc/firewalld/(zones, services, rich rules — user overrides) - Default zones/services:
/usr/lib/firewalld/(system-provided; don't edit) - Custom zones:
/etc/firewalld/zones/ - Custom services:
/etc/firewalld/services/ - Backend: nftables (default since firewalld 0.6); legacy iptables still supported
- Logs:
journalctl -u firewalld - Install:
dnf install firewalld(default on RHEL/Fedora);apt install firewalld