From 7dbd1fe4e48be75fde65d8e83c0acaa861f0962a Mon Sep 17 00:00:00 2001 From: zsurocking Date: Mon, 18 May 2015 10:08:54 -0700 Subject: [PATCH] Update AUTH-README.md --- AUTH-README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/AUTH-README.md b/AUTH-README.md index e4185124ff..f563c51d9a 100644 --- a/AUTH-README.md +++ b/AUTH-README.md @@ -18,6 +18,8 @@ Note that you must use the release of the Jetty-ALPN jar specific to the version An option is provided to use GRPC over plaintext without TLS. This is convenient for testing environments, however users must be aware of the secuirty risks of doing so for real production systems. +ALPN is supported starting Android 4.4, but it only works well in 5.0 and higher. +In lower versions, an alternative is to use NPN which Android has support from 4.1. However, the corresponding GRPC server will also need to enable NPN. # Using OAuth2