The First ziglang.org Outage
← Back to News page The First ziglang.org Outage September 08, 2025 On September 1st a community member notified us (#529) that ziglang.org was having issues (slow loading pages, HTTP 500 replies).Looking at the dashboards showed a drastic increase of data transmission in the previous 24 hours:Looking at access logs showed a frenetic amount of activity by clients using facebookexternalhit/1.1 as their user agent: Running tail -f on the access log to see requests in realtime.Frank Denis had initially theorized that this could have been an instance of an incident he already reported on social media, and the access log immediately confirmed his suspicions.Grepping the access log showed that the bot had been going circles while crawling the website and, in the ~36 hours it was active,…
