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AWS efs medium security documentation change

Service: efs · 2025-10-01 · Security-related medium

File: efs/latest/ug/mounting-fs-mount-cmd-ip-addr.md

Summary

Added explicit NFS port 2049 requirement in security group rule documentation

Security assessment

Explicit port specification prevents overly broad network access in security group configurations

Diff

diff --git a/efs/latest/ug/mounting-fs-mount-cmd-ip-addr.md b/efs/latest/ug/mounting-fs-mount-cmd-ip-addr.md
index 59fc33ecc..686aeb2e0 100644
--- a//efs/latest/ug/mounting-fs-mount-cmd-ip-addr.md
+++ b//efs/latest/ug/mounting-fs-mount-cmd-ip-addr.md
@@ -17 +17 @@ You can view and copy the exact commands to mount your file system in the **Atta
-Prior to mounting your file system, you need to add a rule for the mount target security group to allow inbound NFS access from the EC2 security group. For more information, see [Using VPC security groups](./network-access.html).
+Prior to mounting your file system, you need to add a rule for the mount target security group to allow inbound NFS access on port 2049 from the EC2 security group. For more information, see [Using VPC security groups](./network-access.html).