From 6b83e0661a9615cb84d761dab32b37ba9f5befff Mon Sep 17 00:00:00 2001 From: Mathias Leppich Date: Sat, 29 Oct 2016 03:15:49 +0200 Subject: [PATCH] ALB gotchas about HTTP/2 (#272) * ALB gotchas about HTTP/2 * Update README.md Rephrase as suggested --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index 4b4ce15..7ce453b 100644 --- a/README.md +++ b/README.md @@ -941,6 +941,8 @@ ALB ### ALB Gotchas and Limitations +- 🔸ALBs only support HTTP/2 over HTTPS (no plain-text HTTP/2). +- 🔸ALBs only support HTTP/2 to external clients and not to internal resources (Instance/Container). - ALBs support HTTP routing but not port-based TCP routing. - ALBs do not (yet) support routing based on HTTP “Host” header or HTTP verb. - Instances in the ALB's target groups have to either have a single, fixed healthcheck port (“EC2 instance”-level healthcheck) or the healthcheck port for a target has to be the same as its application port (“Application instance”-level healthcheck) - you can't configure a per-target healthcheck port that is different than the application port.