From fa74d0a579d98c67c761c2445da59d7fcafe482c Mon Sep 17 00:00:00 2001
From: David Karlsson <35727626+dvdksn@users.noreply.github.com>
Date: Mon, 14 Oct 2024 15:56:34 +0200
Subject: [PATCH] build(cloud): add firewall config

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>
---
 content/manuals/build-cloud/setup.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/content/manuals/build-cloud/setup.md b/content/manuals/build-cloud/setup.md
index cbf4098c7b..9d8ef75ab0 100644
--- a/content/manuals/build-cloud/setup.md
+++ b/content/manuals/build-cloud/setup.md
@@ -70,6 +70,16 @@ The builder has native support for the `linux/amd64` and `linux/arm64`
 architectures. This gives you a high-performance build cluster for building
 multi-platform images natively.
 
+## Firewall configuration
+
+To use Docker Build Cloud behind a firewall, ensure that your firewall allows
+traffic to the following addresses:
+
+- 3.211.38.21
+- https://auth.docker.io
+- https://build-cloud.docker.com
+- https://hub.docker.com
+
 ## What's next
 
 - See [Building with Docker Build Cloud](usage.md) for examples on how to use Docker Build Cloud.