diff --git a/engine/swarm/swarm-tutorial/index.md b/engine/swarm/swarm-tutorial/index.md index a504018c75..c6dbde1634 100644 --- a/engine/swarm/swarm-tutorial/index.md +++ b/engine/swarm/swarm-tutorial/index.md @@ -121,7 +121,7 @@ The following ports must be available. On some systems, these ports are open by * **TCP** and **UDP port 7946** for communication among nodes * **TCP** and **UDP port 4789** for overlay network traffic -If you are planning on creating an overlay network with encryption (`--opt encyrpted`), +If you are planning on creating an overlay network with encryption (`--opt encrypted`), you will also need to ensure protocol 50 (ESP) is open. ## What's next? diff --git a/engine/userguide/networking/index.md b/engine/userguide/networking/index.md index 71c9b2cc48..50f3206ccd 100644 --- a/engine/userguide/networking/index.md +++ b/engine/userguide/networking/index.md @@ -465,7 +465,7 @@ You should open the following ports between each of your hosts. Your key-value store service may require additional ports. Check your vendor's documentation and open any required ports. -If you are planning on creating an overlay network with encryption (`--opt encyrpted`), +If you are planning on creating an overlay network with encryption (`--opt encrypted`), you will also need to ensure protocol 50 (ESP) is open. Once you have several machines provisioned, you can use Docker Swarm to quickly