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Posts tagged "firewall"

OpenConfig plugin on Palo Alto FWs - how to delete it

I ran into an interesting problem recently - one of the firewalls I manage had to be upgraded, but the problem immediately showed up when I tried doing an image upgrade: I went to Device -> Plugins and there was the perpetrator openconfig-2.0.0 plugin that was installed. I tried removing the config

1 min readfirewall

Palo Alto FW can't download software with proper licensing applied

We recently had a situation where firewall was complaining that it can't download software anymore with an error message An active license is required for this feature. Firewall was properly licensed and it was synced with the license server, but for some reason, it was still complaining about it.

1 min readfirewall

Palo Alto FW IP-tagging

IP-tag functionality on Palo Alto Firewalls allows administrators to apply custom labels or tags to IP addresses or ranges. These tags serve various purposes, such as simplifying policy creation and management by grouping similar IP addresses together under a single tag. Additionally, IP-tagging ena

6 min readfirewall

Palo Alto SAML SSO with authentik

Palo Alto network appliances natively support SAML and can leverage providing identity to a SAML Identity Provider. This can be very useful in multiple ways - granting access to admin GUI interface, authenticating users for GlobalProtect (remote access VPN) and Captive Portal user authentication are

12 min readauthentik

How to configure PA FW as NTP proxy

There is a nice functionality on PA firewalls called DNS Proxy. It basically allows PA FW to act as an DNS proxy for hosts that will use its interface address for DNS queries. The way it works is that you configure it in the GUI by configuring primary and secondary servers and then you point your ho

4 min readfirewall

Palo Alto FW loopback interface routing

Recently I started deploying loopbacks on all of my network devices that are somehow participating in routing and I hit a momentary roadblock when I realised that none of my loopbacks configured on firewalls are being advertised via iBGP. The reason for that is because all loopback interfaces are c

1 min readfirewall

Starting a homelab - Part 05 - Virtualise Your Firewall

Video of the whole process is available on Youtube: Today we will continue our journey with building a homelab. Unfortunately, I was too busy in the past year and there's been a lot of changes to my own homelab environment as well. One of the things that has changed is my own server infrastructure

13 min readfirewall