Update server identity is not verified
At a glance
Base severity
Area
Platform
Evidence level
Benchmark reference
Reads the export, not the device
ConfigProof reads a configuration export. This control is evaluated against the objects in that file, and it reports what the file says. It does not connect to the device and sees no traffic, so a finding here describes the configuration, not what the firewall is doing right now.
Why it matters
A firewall that does not verify the update server can be redirected, through DNS, to a server that hands it modified content or software.
How to fix it
Web interface
The steps below are written for the web interface. A finding raised on your own export carries the same steps with your object names filled in.
- Check Verify Update Server Identity under Device, Setup, Services.
Command line
PAN-OS CLI
set deviceconfig system server-verification yesAn example. Values in angle brackets are yours to supply; a finding on your own export fills in the names it read. Nothing here commits. Review the candidate configuration, then commit it yourself.
Read it back
show deviceconfig system server-verificationHow to confirm the fix
- Run a dynamic update check and confirm it succeeds.
Limits
- A setting the file does not write is recorded as not written: the CIS benchmark states no value for it.
- On a Panorama each template stack is judged as its firewalls receive it: its own settings first, then its members in order. A stack holding a template this file lacks is recorded rather than passed.
Compliance references
CIS Palo Alto Firewall 11 Benchmark v1.2.0
Covers the whole recommendation
Where a control aligns with a recommendation of the CIS Palo Alto Firewall 11 Benchmark v1.2.0, that recommendation is cited as a reference. Only that version was checked. A reference is not a certification.
More in System and Metadata
- PAN-SEC-033Login banner missing
- PAN-SEC-101Antivirus updates are not installed hourly
- PAN-SEC-102Applications and threats updates are not installed daily
- PAN-SEC-103WildFire updates are not installed in real time
- PAN-SEC-160The device is configured with a single DNS server
- PAN-SW-001Software version is out of vendor support
- ISE-MGT-009Administration node runs an older patch than one installed
- ISE-MGT-010No successful configuration backup within seven days
See it on your own firewall
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