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Security & identity · #pfsense
Learn how to implement pfSense CARP for high availability, focusing on state synchronization (pfsync) to prevent connection drops during firewall failovers.
Decide between failover-only and load-balancing in pfSense Multi-WAN: gateway group tiers, trigger levels, monitor IP selection, policy routing, and validation steps for 2.7.x/24.03.
How pfSense CARP, XMLRPC sync, and pfsync combine to give you a high-availability firewall pair — with a concrete two-node setup, verification steps, and the gotchas that cause split-brain.
pfSense captive portal can provide guest Wi-Fi sign-in and isolation on a single box, but it is an HTTP redirect gate with clear protocol and UX limits. Here is how to design it, configure a local auth example, and verify the limits.
Step‑by‑step guide to configure pfSense HA with CARP for active‑passive failover, including prerequisites, setup, verification, and recovery.
Need a guest Wi‑Fi that authenticates users and limits bandwidth? Learn how pfSense’s Captive Portal, combined with traffic shaping, delivers controlled access—plus a step‑by‑step setup guide and key trade‑offs.
Learn how to set up a secure remote‑access IPsec VPN on pfSense, from PSK configuration to client deployment and verification. Understand the trade‑offs and practical steps to keep your tunnel running smoothly.
WireGuard vs OpenVPN on pfSense: a decision guide that weighs throughput, authentication, and NAT traversal. Includes quick config snippets and validation steps for CE and Plus editions.
New connections fail while existing flows stay up, logs show pf state-table-full and Status > System > States is at the limit. A compact diagnostic flow maps symptoms to causes, ordered checks, and fixes tied to findings with escalation criteria.