GlobalProtect & SCCM
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GlobalProtect & SCCM

L2 Linker

Long story short, we purchased GP and configured rules etc to allow SCCM traffic to and from VPN clients who are users working from Home.

 

We are struggling to release applications or updates to these users and would like to know if anyone has GP with SCCM configured and working? 

 

Someone mentioned on a Palo FB forum, that pre-logon should be set for SCCM to work seamlessly.

 

Anyone able to share some info on this? 

 

ColonelHawx_0-1591016150266.png

 Glo

10 REPLIES 10

Cyber Elite
Cyber Elite

@ColonelHawx,

What specific issue are you actually having in regards to SCCM? Can users not download updates or applications from SCCM at all, or is it just getting stopped because the user isn't on the VPN long enough for SCCM to check in and get everything downloaded?

 

If you are pushing updates from SCCM, I would switch over to pre-logon so that the device is connected to your internal network and can actually communicate with your SCCM infrastructure without the user actively logged on and connected to the VPN. Just keep in mind that if these are laptops, depending on how your power profile is set up pre-logon may not actually give you any additional benefit. 

Cyber Elite
Cyber Elite

We've got GP being managed / deployed by SCCM.  GP connect method is pre-logon / always on.  We've done an initial deployment (4.1.6) 2 years ago, with a recent upgrade to 5.0.7 via SCCM all without major issue.

 

Like @BPry  mentioned what are you needing help with?

@BPry , thanks for the reply. We are just not receiving ANY deployments at all. SCCM is able to see the client, communicate with it etc. All clients are active when we view SCCM Console. It just wont deploy and we ruled out any SCCM issues when we recently deployed a VM on the same subnet which does not have/need the GP client. So now it all points to Global Protect.

@ColonelHawx,

So that's a completely separate thing then, and switching to utilize pre-logon isn't going to help that issue at all. Just to be sure, have you enabled interzone-default logging or otherwise setup a rule that would log any denied traffic between SCCM and whatever zone you have your GlobalProtect users setup in? 

You'll also want to ensure that you've properly setup your boundary groups in SCCM to include GlobalProtect clients. Both those things would be the first things I would look at. 

Some random config screenshots:

 

ColonelHawx_0-1592490321997.pngColonelHawx_1-1592490722703.png

 

Thanks, indeed - Boundary Groups were the first stuff I checked and they are all in order.

regarding the zones, the Global Protect clients are on a different zone as the sccm primary server, but rules are in place to allow for this:

 

ColonelHawx_0-1592491116732.png

 

I am also seeing ALOT of aged out TCP (80) traffic . Well actually almost all of them...

Do you bytes send and receive in the traffic logs?

Try to do the packet capture on the PA where source is GP Client IP of PC and destination is SCCM server.

 

Also you can see global counters to confirm that PA is not dropping the traffic.

Also check your threat logs.

 

Once in PCAP you see no drops and global counter filter and threat logs show no drop or block then it is not the firewall.

MP

Dear all,

 

I'm sorry I hijacked this thread, but it looks a lot like our problem.

 

We are currently switching our VPN client from Cisco AnyConnect to PAN GlobalProtect (onDemand) and have a similar problem with ConfigMgr Agent 1910 and PAN GlobalProtect 5.0.9-15.

SCCM in general is working e.g.(un)installing selfservice packages, but new advertisements will not become visible in SoftwareCenter and will also not installed. Also SCCM advertisemnts we updated or changed will not be updated on the machine which is connected with GlobalProtect.

In the meantime we found out that when we restart the "SMS Agent Host" (ComExec) after connected with GlobalProtect everthing works like it should. That means SCCM boundaries are set correctly, all ports are open which are needed to communicate with the ConfigMgr server.

 

I had running Wireshark for hours but see only "Duplicate to the ACK in frame" which shouldn´t be a problem.

 

Has somebody an hint or maybe solved this already?

Thank you in advance!

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