From e01134d3b2d11f6025ddb7d17d15f0f9fa6ea1c1 Mon Sep 17 00:00:00 2001 From: pushytoxin Date: Mon, 28 Jun 2021 12:05:36 +0200 Subject: [PATCH] Mention Let'sEncrypt issues with Element mobile clients --- docs/configuring-playbook-turn.md | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/docs/configuring-playbook-turn.md b/docs/configuring-playbook-turn.md index c1d777a89..564f8a4db 100644 --- a/docs/configuring-playbook-turn.md +++ b/docs/configuring-playbook-turn.md @@ -40,3 +40,14 @@ matrix_jitsi_web_stun_servers: - stun:HOSTNAME_OR_IP:PORT ``` You can put multiple host/port combinations if you like. + +## Disabling TLS support + +The Element Android and iOS clients are known not to support _Let's Encrypt_ certificates, leading to increased delays when making calls. ([Android issue](https://github.com/vector-im/element-android/issues/1533), [iOS issue](https://github.com/vector-im/element-ios/issues/2712)) +If you serve users with these clients you may want to disable `turns` URIs by adding the following snipplet to your configuration: + +```yaml +matrix_synapse_turn_uris: +- 'turn:{{ matrix_server_fqn_matrix }}?transport=udp' +- 'turn:{{ matrix_server_fqn_matrix }}?transport=tcp' +```