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Next-Generation Firewall Discussions
Palo Alto Networks Next-Generation Firewalls provide true, complete visibility everywhere, along with precise policy control. Ask your questions or provide insightful answers in the discussion forum specific to NGFW.
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Next-Generation Firewall Discussions
Palo Alto Networks Next-Generation Firewalls provide true, complete visibility everywhere, along with precise policy control. Ask your questions or provide insightful answers in the discussion forum specific to NGFW.
About Next-Generation Firewall Discussions
Palo Alto Networks Next-Generation Firewalls provide true, complete visibility everywhere, along with precise policy control. Ask your questions or provide insightful answers in the discussion forum specific to NGFW.

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Welcome to the Next-Generation Firewall Discussions!

To make this forum valuable and enjoyable for everyone, please review the following guidelines before participating: Rules and Best Practices Be Respectful: Treat fellow community members with professionalism and courtesy. Constructive discussions are encouraged; disrespectful or inflammatory comments are not. Stay On-Topic: This board is d...

JayGolf by • Community Team Member
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Difference in Session Synchronization configuration output in PAN-OS 11.2 Active/Passive HA

Hello experts, I would like to confirm the HA configuration behavior in PAN-OS 11.2.We have two firewalls configured in an Active/Passive HA pair. In the GUI, Enable Session Synchronization is enabled on both devices.However, when checking the configuration from the CLI, the following line is displayed on one device: ”set deviceconfig high-avail...

Palo Alto 3410 Firewall 100% DP CPU spike

Hello all,We are seeing sudden spikes in Data Plane CPU on our Palo Alto Networks PA-3410 firewalls running PAN-OS 11.1.13. The CPU usage jumps to 100% for a few seconds and then returns to normal automatically. This happens randomly, with no fixed timing. We have observed this at two different locations where we have PA-3410.Initially, we suspe...

EDL Scalability & Platform Limits – Best Practices

Hello Everyone, Looking for best practice recommendations on handling large IP-based External Dynamic Lists (EDLs). In cases where the EDL reaches platform limits (e.g., ~150K IPs), scalability becomes a challenge, especially when continuous updates are required and manual handling is not practical. Would appreciate your input on: More scalable...

A.AlHafi by • L1 Bithead
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Resolved! Reason: Authentication profile not found for the user

local admin created with authentication profile set to none but still PaloAlto is looking for authentication profile for this local user and not allowing to login, saying invalid username/password and here at FW end we are getting the log- Reason: Authentication profile not found for the userPAN OS - 11.1.10-h1 - Is this is a bug in this version...

Why would an active firewall in an active-passive HA configuration broadcast gratuitous ARPs every 60 seconds?

I found a KB article stating that the active firewall sends out gratuitous ARPs every 60 seconds during normal operation, but it doesn't explain why. What is the reason for this behaviour? https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA14u0000004Ny3CAE

HA failover on Acitve Passive concerns

Hello all, I would like to get some idea/thoughts about the current setup on my two PA1410 Active/Passive FW failover concerns. Few weeks ago, our Active FW has some issues and hung on the data plane. I found there was some missing configurations on our network side so the Failover didn't work at all. So eventually I resumed it, and raised the...

Firewall SSH, the login succeeds with TACACS Account, but there is an issue that closes the session immediately.

Hello, everyone. Firewall has OS of 10.2.4-H2. When TACACS account to connect to Firewall SSH, the login succeeds, but there is an issue that closes the session immediately. In Firewall System-log, authentication and authorization were successful and it was confirmed that the Superuser role was granted.. However, a "create-admin-acct-err...

hbshin by • L2 Linker
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VPN peer ID

Hi guys, we have a 3rd party VPN peer who must set the Peer Identification value, the tunnel works fine, but on their side the tunnel ID IP address can change depending on whether they are on their active or standby firewall, and that means we need to update config and push policy to get it online (this is a regular occurrence) I thought abo...

Firwall is uable to send logs to the Panorma (Log collector is showing inactive)

Hi Team, I am currently managing multiple firewalls through Panorama; however, one of the HA firewalls is not forwarding logs to Panorama. Please find the CLI output below for your reference. show logging-status -----------------------------------------------------------------------------------------------------------------------------Type Las...

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