F5 BIG-IP
TMA-F5-BIGIP-2.6
Ensure External Users' Terminal Access is Disabled
Description
To prevent remote users from gaining terminal access PASS requires auth remote-user remote-console-access disabled. Audited against tmsh output with defaults shown: save the concatenated output of 'tmsh list auth password-policy all-properties', 'tmsh list auth source all-properties', 'tmsh list auth remote-user all-properties', 'tmsh list auth radius all-properties', 'tmsh list sys httpd all-properties', 'tmsh list sys sshd all-properties', 'tmsh list sys global-settings all-properties', 'tmsh list cli global-settings all-properties', 'tmsh list sys ntp', 'tmsh list sys snmp all-properties', 'tmsh list sys syslog' and 'tmsh list net self all-properties'. Patterns are scoped to the named top-level block.
How it is checked
Audit method: Configuration pattern
- Pattern
(?m)^auth remote-user \{\n(?:[ \t]+[^\n]*\n)*?[ \t]+remote-console-access disabled[ \t]*$
How it is fixed
Fix method: Guidance or infrastructure patch
tmsh modify auth remote-user remote-console-access disabled tmsh save sys config # CIS guidance: 1. Log in to the Configuration utility. 2. Go to System > Users > Authentication. 3. Under External Users , click "Change". 4. Set Terminal Access as "Disabled"
Properties
- Operating systems
- Any
- Tags
- f5-bigipauthentication
- Reference
- CIS F5 Networks Benchmark v1.0.0 - 2.6 Ensure External Users' Terminal Access is Disabled
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
tmaegis scan --target f5-bigip