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Forum Discussion

jknock6560's avatar
jknock6560
Icon for Altostratus rankAltostratus
Jun 05, 2025

F5 Internal IPs Nessus Scans

I am confused.  I scan my Virtual BIG-IP F5s via a NESSUS scanner.  It appears the scanners scans the "MGMT" ip for both VEs.  I assume the MGMT IPs are the ones on top left when you open the GUI?  I...
scanners
P_Kueppers's avatar
P_Kueppers
Icon for MVP rankMVP
Jun 06, 2025

When you scan your IPs from the virtual Servers, there is only the virtual server answering. But if you scan the network/vlan and nessus is scanning the F5-Self-IP and your "port-lockdown"-Setting is not setup to "allow none" than mgmt appears on that IP. That needs to be changed. 

 

  • jknock6560's avatar
    jknock6560
    Icon for Altostratus rankAltostratus
    Jun 06, 2025

    Ok so from my understanding - I need to change the port-lockdown setting in the GUI of the F5? Once I select allow none then when i run the scan it will scan on the internal interface instead of the mgmt ip?