How to Block Access HTTP and HTTPS Facebook with pfSense Firewall Rules
Problem: How to create alias and block Facebook traffic (IP Addresses and HTTP/HTTPS URL of Facebook) using pfSense firewall rules. Following steps are useful with sites such as Facebook that consume large amounts of IP range but are constrained within a few net blocks.
Step 1: Find Facebook autonomous system OriginAS or ASN number of Facebook IP registration at Facebook Peering Policy.
Peering Information as below: ASN: AS32934 Suggested Prefix Limit: 100
Originally published at pupuweb.com on September 26, 2018.