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The ALG must reveal error messages only to the ISSO, ISSM, and SCA.


Overview

Finding ID Version Rule ID IA Controls Severity
V-54651 SRG-NET-000402-ALG-000130 SV-68897r1_rule Medium
Description
Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can give configuration details about the network element. Limiting access to system logs and administrative consoles to authorized personnel will help to mitigate this risk. However, user feedback and error messages should also be restricted by type and content in accordance with security best practices (e.g., ICMP messages).
STIG Date
Application Layer Gateway (ALG) Security Requirements Guide (SRG) 2015-06-30

Details

Check Text ( C-55271r1_chk )
Verify the ALG reveals error messages only to the ISSO, ISSM, and SCA.

If the ALG does not reveal error messages only to the ISSO, ISSM, and SCA, this is a finding.
Fix Text (F-59507r1_fix)
Configure the ALG to reveal error messages only to the ISSO, ISSM, and SCA.