Medium ELB Regional

Classic Load Balancers should have connection draining enabled

NIST

Description

This check ensures that connection draining is enabled on Classic Load Balancers. Connection draining helps maintain service continuity during planned or unplanned maintenance by keeping existing connections open until they complete.


Remediation

To enable connection draining for Classic Load Balancers, follow these steps:

Steps

  1. Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/.
  2. On the navigation pane, under LOAD BALANCING, choose Load Balancers.
  3. Select the Classic Load Balancer.
  4. Choose the Description tab, and find the Attributes section.
  5. If 'Connection Draining' is disabled, choose Edit attributes.
  6. Enable 'Connection Draining' by setting it to true and specify the timeout value.

Compliance

NIST