check box for self-signed root CA certificate. Select "Computer account" and click "Next". Palo Alto Networks Predefined Decryption Exclusions. To avoid this situation it is important to add an intermediate certificate on the firewall. In this article, we will go through Alternative #1 - using a Self-Signed Forward Trust Certificate. PAN-OS Administrator's Guide. Create a Self-Signed Root CA Certificate. The CA certificate used to issue these other certificates is called a . With the "Trusted Root CA" option selected, the Palo Alto Networks device will not allow you to delete the certificate, even if it is not used in the configuration. Login to the Palo Alto firewall and click on the Device tab. Populate it with the settings as shown in the screenshot below and click Generate to create the root . Don't select "Import private key" as it already resides on the firewall. Destination Service Route. Decryption Settings: Certificate Revocation Checking. Click "OK" 9. Hopefully a quick one. Then the Mac's keychain will show the certificate as complete. 6 5 I am using an Enterprise CA-signed forward trust certificate and I imported the trusted root CA into the Palo (both of which are showing as valid). Type out the certificate name (It must be exactly the same as the one that was exported) 3. Decryption Settings: Forward Proxy Server Certificate Settings. This didn't work either. 2. From the left column select "Certificates" and click "add" 6. . In the bottom of the Device Certificates tab, click on Generate. Later, we will use this certificate to sign the Server Certificate. . You will be unable to get a CA cert from a public authority (like Symmatec or GoDaddy). Step 1: Generate a Self-Signed Root CA Certificate in Palo Alto Firewall. Last Updated: Sun Oct 23 23:47:41 PDT 2022. . Obtain Certificates. 3. Download PDF. Then I imported it to the palo alto and also uploaded that key file OpenSSL created. It shows as a valid cert but the two options Forward Trust Certificate and Forward Untrust Certificate are both greyed out still. tech Issuing a CA cert to a PaloAlto firewall from Active Directory Certificate Services for SSL decryption Published 2021-06-05. 04-14-2016 10:16 AM Your images didn't come through for some reason, but in general the reason for this is because the CSR wasn't signed with the CA option (ca=true). Leave as is. I have the root certificate on the Palo's already, I generated a CSR, sent it out for a certiciate to be created and then imported it into the Palo's. It says valid and nests below the root CA as you would expect but going back in to select 'forward trust', all the options are greyed out. This is working for our internal windows domain computers as the root CA and sub CA are pushed down to all of them via Group Policy. Choose the Certificate Type Local. After going through steps 1-3 in previous section, select Import at the bottom of the page. If it's not a CA cert, it cannot be used for forward decryption. Is there anything I need to do? This option is greyed out for Palo Alto Networks Firewall Enforcers since it is not supported. This will open the Generate Certificate window. Select "Local Computer" click "Finish" 8. 2. On certificate Authority Backup Wizard, select Next to continue. Navigate to Device >> Certificate Management and click on Generate. If an intermediate CA is not trusted on the Palo Alto Networks firewall, then it just drops the packets. Certificate Management. The steps will fail if you try to delete a certificate that is currently being used. 7. Any help would be greatly appreciated. Device > Setup > WildFire. In the left menu navigate to Certificate Management -> Certificates. Procedure 1. Hit "CTRL"+"M" 5. For the Palo Alto firewall to be able to generate certificates for visited websites on the fly, it will need to be able to act as a Certificate Authority, having the ability to issue these certificates.. Create a Self-Signed Root CA Certificate. Manually chained. Locate the signed certificate file and upload it. Thanks in advance! Palo is complaining that "it cannot find a complete certificate chain for the certificate" even though the certificate is showing as valid. Steps On the WebGUI Go to Device > Certificate Management > Certificates Select the certificate to be deleted Click Delete at the bottom of the page, and then click Yes in the confirmation dialog Commit the configuration On the CLI: Some websites use certificates signed by an intermediate CA. We have Palo Alto's that perform SSL Decryption using a sub CA certificate issued by our internal Root CA. Now that the basics are out of the way, it is time to start the configuration steps. Maybe a quick question. When a certificate is marked as "Trusted root CA", the device will attempt to use it in conjunction with the SSL Decrypt configuration, even though SSL Decryption is not being used. Obtain the certificate you want to install. They just don't want to see those pesky pop-ups about untrusted cert. Uncheck the Certificate Authority check box if you are using enterprise CA, or trusted third . Open up the run window by pressing "win-key"+"R" 3. type "mmc" and hit "enter" 4. 5. 2. Palo Alto Networks firewall can block websites if they have untrusted certificates. User's don't actually go there to check anyway. Certificate Management Procedure From the enterprise CA, export the root certificate and private key by following the below steps Open "Certificate Authority", highlight the CA, from "All Tasks" list, select "Back up CA" option 2. Navigate to DEVICE > Certificate Management > Certificates > Device Certificates and click on the Generate button at the bottom. . Device > Setup > Interfaces. If you have a PaloAlto next-gen firewall and you want to perform SSL decryption on your outgoing traffic, the PaloAlto needs a CA cert so that it can issue its own certificates in order to MITM traffic, and of course your clients need to trust the PA's CA cert so . First, we will create a Root CA Certificate. Create a Forward Trust Certificate. 4. Finally with OpenSSL I converted to a .p12 and gave it a password for the key. Default Trusted Certificate Authorities (CAs) Download PDF. Device > Setup > Telemetry. Device > Setup > Session. 1. IPv4 and IPv6 Support for Service Route Configuration. Exporting the CSR and Importing the Signed Certificate are not applicable for self-signed certificates. PAN-OS. The client gets no error during GP login but the keychain on the machine just shows the cert signed by an unknown CA. Generate a Certificate.