| Keyword | Most frequent expressions (number of websites) |
|---|---|
| pfsense | pfsense virtual (2), pfblockerng pfsense (1), azure pfsense (1), pfsense azure (1), machine pfsense (1), pfsense necessary (1), op pfsense (1), pfsense zonder (1), vikings pfsense (1), pfsense pppoe (1), netgate pfsense (1), pfsense special (1), pfsense support (1) |