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opnSense Quick Reference

Initial Setup

Do all firmware updates
System | Settings | Administration
- Set console for serial, if you want
- Enable SSH (Secure Shell)
- Choose whether to allow root to log in, and whether to allow password auth
- Set Serial Console if desired
- Set Authentication Server to Local Database
- Set parameter for sudo
System | Settings | Misch
- Set hardware acceleration if your hardware supports it
- Add swap file if memory low and you can spare 2G of disk
- If you have plenty of memory, set /tmp as RAM disk: Generally uses less than a meg.
- If you have plenty of memory and don't care if your logs survive a reboot, set /var to RAM disk.