diff --git a/content/_guides/faq.md b/content/_guides/faq.md index 5e03af7e..8984e4d2 100644 --- a/content/_guides/faq.md +++ b/content/_guides/faq.md @@ -309,3 +309,20 @@ Libera.Chat bridge and may request intervention if any bridged channels cause problems. At our request, the EMS-hosted Libera.Chat bridge regularly prunes idle connections to minimize disruptions to IRC channels during bridge restarts. + +## Why did you scan my address? + +To reduce abuse on our network, we perform a handful of scans against IPs that +connect to us so we can detect and disconnect abuse-prone hosts. These scans +intend to detect hosts that are open to being abused by random people if they +know how to, due to having limited or no access requirements. + +These scans are uninvasive and are very unlikely to break anything. They +mostly consist of: + +- Attempting to use your host as an anonymous HTTP/SOCKS proxy +- Fingerprinting specific server software +- Checking what registration requirements Matrix homeservers have + +If you are unsure why your address is being detected as abuse-prone, you're +welcome to contact staff by email: .