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AWS AWSEC2 documentation change

Service: AWSEC2 · 2026-07-01 · Documentation low

File: AWSEC2/latest/UserGuide/ec2-serial-console-prerequisites.md

Summary

Added connectivity requirement for serial console proxy endpoint

Security assessment

Documents network access requirements for secure serial console proxy without addressing specific vulnerabilities. Enhances documentation for security feature prerequisites.

Diff

diff --git a/AWSEC2/latest/UserGuide/ec2-serial-console-prerequisites.md b/AWSEC2/latest/UserGuide/ec2-serial-console-prerequisites.md
index 19b94b0dd..101c15b5e 100644
--- a//AWSEC2/latest/UserGuide/ec2-serial-console-prerequisites.md
+++ b//AWSEC2/latest/UserGuide/ec2-serial-console-prerequisites.md
@@ -84,0 +85,11 @@ To connect to the serial console [using the browser-based client](./connect-to-s
+The browser-based client connects on port 443 to the EC2 Instance Connect proxy endpoint for your Region:
+
+  * `prod.`region`.oneclickv2-proxy.ec2.aws.dev`
+
+
+
+
+###### Note
+
+Your browser must be able to reach this endpoint. If a firewall or VPN blocks the connection, the connection fails.
+