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General Topics
Post a discussion here if you have general questions regarding configuration and troubleshooting for Palo Alto Networks products. Use this forum to collaborate with like-minded security professionals to improve your security posture.
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General Topics
Post a discussion here if you have general questions regarding configuration and troubleshooting for Palo Alto Networks products. Use this forum to collaborate with like-minded security professionals to improve your security posture.
About General Topics
Post a discussion here if you have general questions regarding configuration and troubleshooting for Palo Alto Networks products. Use this forum to collaborate with like-minded security professionals to improve your security posture.

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Resolved! Palo alto decryption issue

We have an issue with a thick client application (AWS Workspaces client) connecting successfully to the AWS workspace over the internet. The palo alto firewall logs shows the traffic is allowed but the type is 'deny' instead of 'end'. Also session end reason is "decrypt error". Now we think we understand that the URL’s the client application is ...

Revoked Machine Certificate still able to Connect Global Protect Gateway

It appears possible to configure the firewall to be an OCSP responder to itself/clients from the posts below? Is that correct? (Specifically referring to self-signed certificates generated on the firewall) If so, is there any risk to having this service run on an external interface, in order to control/revoke machine certificates? If the need...

Sec101 by • L4 Transporter
  • 8358 Views
  • 2 replies
  • 0 Likes

Resolved! DNS Proxy - invalid EDNS response

Hi all, I'm having a issue with the DNS Proxy feature. I'm running a Palo Alto VM (9.1.8) in Azure and want to use the VM as DNS Proxy. As default DNS Server, I want to use AZURE DNS 168.63.129.16. Additionally I have some Proxy Rules for internal Domains via VPN to our On Prem Datacenter (DNS). DNS Lookups for On Prem are fine, but resolution ...

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AKufner by • L0 Member
  • 7165 Views
  • 3 replies
  • 0 Likes

Test URL -> Operation Failed: URL access error

Ive been reading this forum for similar problems, but seems I have different problem.I must say I had difficulties building this, but now this seems to be the last obstacle.So I got minemeld up and running and its able to get feed and I can access the URL https://"Server IP here"/feeds/o365-worldwide-any-url-feedThen I created new CA for the min...

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LassiK by • L1 Bithead
  • 3919 Views
  • 1 replies
  • 0 Likes

Resolved! DNS proxy sharepoint domain issue when cache enabled

Hi there, i have some issues with my firewall when using dns-proxy with enabled cache. I cannot resolve sharepoint domains e.g. bitmix.sharepoint.com, but when I disable the cacheoption everything works fine.Does someone have any suggestion how I could solve this?I'm using PanOS 10.0.2

Chris.Ka by • L1 Bithead
  • 10201 Views
  • 9 replies
  • 0 Likes

Pallo Alto Version 10 show transceiver command for SFP check/troubleshooting

Before only the "show system state filter xxx" ( https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClaMCAS ) was used to check issues with SFP but in version 10 the show transceiver is here and this is great 🙂 https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-admin/monitoring/monitor-transceivers.html

URL Filtering Clarification - Wildcards behavior (implicit match on the rear of the URL)

Figured I'd share this here as I already have on another platform. Been using PanOS for ~8 years and came across something with URL filtering and wildcards. URL filters with wildcards will match on the front, and back of the URL(implicit), if you don't use the trailing /. What this means is *.microsoft.com doesn't just match www.microsoft.co...

Global Protect Split Tunnel exclude video traffic issue

Hi All,I have an issue I am not sure how to address. I have "Exclude video traffic from the tunnel" enabled on the GP gateway. When a user connects and tries to watch a video on our wordpress intranet site, http:/myintranetsite/somevideo embedded in the page, it kills the session in the browser. I get one of those "oops, something went wrong". W...

Resolved! Due to Open SSH Denial of Service vulnerability firewall dropping random connections

Hi Guys, Large number of connection attempts made which is normal as per the server team but firewall is considering it vulnerability and dropping the random connection to the server. After getting 3 to 4 successful execution in the same session it getting failed. error msg :org.apache.commons.vfs2.FileSystemException: Could not connect to SFTP ...

gasin1 by • L1 Bithead
  • 5028 Views
  • 3 replies
  • 0 Likes

Failover in NAT

We have a configuration to balance two NAT destinations, in the Translated Address we have a group with the two IP destinationWe need to performing a failover if NAT # 1 192.168.251.21 stops working, passing to NAT # 2 192.168.251.22.When the IP # 1 is turned off, so that it sends the traffic to IP # 2, it is still trying to go out on IP # 1Is t...

RodrigoB by • L0 Member
  • 3213 Views
  • 2 replies
  • 0 Likes

Resolved! Does Paloalto Firewall support autoconfig for IPv6 interface

In my environment, I have 1 ADSL router supply IPv6 prefix, It working well with my IPv6 laptop and can go through internet using prefix from router + generated interface id. Does Paloalto support autoconfig for IPv6 interface? I need it because my router random change global prefix.

Resolved! Panorama > Policies > Security > Post Rules > Zone field has a red background

Hi thereWhy does the zone in the screenshot appear with a red background?It is the same when browsing direct to the FW itself.There is an interface in the zone with a subinterface.Both main and subint are up.IP address configured on the subintThe interface which is a member of the zone is shown below:Any replies much appreciated

2021-03-24 15h15m53 Zone Red backgroud.png
2021-03-24 15h20m21-StdF Interface setup.png

Resolved! March Madness 2021

Have any new application signatures been released for March Madness 2021? I'm able to find the historical ones but have not seen any for 2021 yet.

bmeyer by • L0 Member
  • 3811 Views
  • 2 replies
  • 2 Likes
  • 24472 Posts
  • 125 Subscriptions
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