The SSLHonorCipherOrder must be configured to disable weak encryption algorithms on the Tanium Server.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-254945	TANS-AP-001090	SV-254945r870382_rule		Medium

Description
Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The application must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated.

STIG	Date
Tanium 7.x Application on TanOS Security Technical Implementation Guide	2022-10-31

Details

Check Text ( C-58558r867733_chk )
1. Access the Tanium Server interactively. 2. Log on to the server with the tanadmin role. 3. Enter 2: Tanium Operations >> 2: Tanium Configuration Settings >> 1: Edit Tanium Server Settings. 4. Verify the existence of a "SSLHonorCipherOrder" key with a value of "1". If the "SSLHonorCipherOrder" key does not exist with a value of "1", this is a finding.

Fix Text (F-58502r870382_fix)
1. Access the Tanium Server interactively. 2. Log on to the server with the tanadmin role. 3. Enter 2: Tanium Operations >> 2: Tanium Configuration Settings >> 1: Edit Tanium Server Settings. 4. Enter number associated with key "SSLHonorCipherOrder" to edit its value. 5. Add or modify the "SSLHonorCipherOrder" key to have a value of "1".