FQDN object not resolved

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L4 Transporter

FQDN object not resolved

Hi,

 

We have this fqdn object created: 

2021-01-08 12:26:14.872 +0100 dnscfgmod: Fqdn SIEMENS OWNCLOUD SERVER/cco.siemens.com could not be resolved

 

If i run a ping from MGMT A interface is resolving:

ping host cco.siemens.com
PING cco.siemens.com (212.231.11.154) 56(84) bytes of data.

 

The DNS is OK, reachable, and resolving.

 

If i go to the web and clik solve in the object is also resolving:

 

dns.JPG

 

But in FQDN list is not resolving so the rule is not applying.

 

request system fqdn show:

cco.siemens.com (Objectname SIEMENS SERVER):

Not resolved

 

WHy is happening this? any file to check deep tshooting?

 

Cyber Elite

Which PAN OS you are running?

Do you have issue only with this FQDN or other FQDN's also?

 

For me it is resolving

show dns-proxy fqdn all

FQDN Table : Request time 2021-01-09 20:56:53
--------------------------------------------------------------------------------
IP Address
--------------------------------------------------------------------------------

VSYS : (using mgmt-obj dnsproxy object)
Shared
vsys1

cco.siemens.com
212.231.11.154
:: unknown

 

Normally this happens if IP in Security Rule does not match the FQDN IP address.

Sometimes  FQDN object  not refreshing properly.

Also Check traffic logs to see which rule it is hitting.

Double check your security policy rule.

Also try this from CLI

 

request system fqdn refresh

 

Regards

 

MP
L4 Transporter

Hi,

 

The PanOS is old, we will upgrade during this month. Current PanOS is 8.0.x

 

We dont use dns-proxy. We run command: request system fqdn show 

in order to see the fqdn resolved

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