# Brian Kimball posts tagged "PFSense"

> Articles about PFSense — systems engineering, development, and infrastructure from Brian Kimball.

- [Using Proxy ARP on pfSense to Bridge Remote Networks Across an IPSec Tunnel](https://brian-kimball.com/blog/pfsense-proxy-arp/index.md): How to answer ARP requests for remote IPs using pfSense Virtual IPs and port forwarding. Useful for VPN tunnel access without renumbering subnets.
- [Authenticating pfSense OpenVPN Against IBM i LDAP](https://brian-kimball.com/blog/ibmi-ldap/index.md): Use the IBM i Tivoli LDAP server as a single source of truth for VPN and service authentication. Here is the full setup, including a Node.js script to sync user profiles.