From 56f9553f0ed40474302b00830fc0a7a831833870 Mon Sep 17 00:00:00 2001 From: Sascha Rommelfangen Date: Tue, 9 Apr 2019 13:42:24 +0200 Subject: [PATCH] added black-hole explanation --- faq/README.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/faq/README.md b/faq/README.md index 2104257..6e1fcdc 100644 --- a/faq/README.md +++ b/faq/README.md @@ -200,6 +200,14 @@ Afterwards you'll find the csvimport from within the newly created event: "Popul Don't use from the main site ("Import from..."). + +## Why do I see 'The request has been black-holed' when I submit forms? + +That's a security measure for form tampering protection. + +All forms have a timeout (~15min) and all of them can only be submitted once. If you use your browser's "back" button and resubmit the form MISP will consider it as a potential attempt at form tampering. + +