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.

Discussions

SMTP traffic mis-classified as FTP ?

The other day we discovered that our SMTP server was unable to send email to the silvacom.com domain.The problem was traced to our PAN rule which allows only SMTP traffic to eminate from our email server, on the application-default port. All attempts to deliver email to this domain, however, were being seen by the PAN as FTP traffic on TCP port ...

KGC by L3 Networker
  • 4284 Views
  • 3 replies
  • 0 Likes

amount of traffic before "unknown application" is determined

Hi,my questions deals with the application detection. As far as I know the heuristic engine is the last possibility after application signature and decoders weren't successful.But does anybody know how much traffic (bytes or packets) will/can run through a PAN before the heuristic engine gives and the application is set to "unknown"?Many thanks,...

sylvia by L1 Bithead
  • 2409 Views
  • 1 replies
  • 0 Likes

SSL-decryption slow

Hello,So I have tested SSL decryption today, and I made it work. But for some reason some of the webpages that are being decrypted are extremely slow. Facebook and even support.paloaltonetworks.com are two of them.I exported a CA certificate from our AD and imported it into the PA as described in a document I found on the knowledgebase.Look at t...

User-ID issues with multiple domain controllers

Hi,I have a few questions about how the user-id works that I have been unable to solve.We are currently rolling out a lot of virtual systems to our customers in a MSSP environment and as you can imagine coming across some strange server setups. This has resulted in some strange behaviour with user-id setups.I am trying to work out how user-id b...

bjackson by L2 Linker
  • 5401 Views
  • 1 replies
  • 0 Likes

default action = alert?

In browsing through the default actions for vulnerabilities, spyware and AV I see that the a lot of the actions for HIGH and CRITICAL severity events is just Alert. I expected a lot more blocking, dropping, and resetting. (half of High and >10% of Critical Vulnerabilities and the vast majority of High and Critical anti-spyware are Alert on...

schaleg2 by L0 Member
  • 2779 Views
  • 1 replies
  • 0 Likes

Resolved! PA dropping packets on their return path

HiI have a simple L3 setup.E1/1 connected to a router (default gateway to the internet). IP 192.168.119.2, untagged Zone VLAN1E1/2.2 connected to a switch (VLAN 2 tagged). IP 10.2.2.1 (default gateway for the 10.2.2.0/24 network), Zone VLAN2I have a default allow all rule, no nat (VLAN2 to VLAN1)A ping from 10.2.2.51 to 8.8.8.8 doesn't work, so ...

u13550 by L3 Networker
  • 10759 Views
  • 5 replies
  • 1 Likes

PAN filtering ssh public key auth?

HiI have a host which I can access without password with ssh by public key.This works fine, but as soon as the traffic goes over a PAN (500), I get asked for the password.Is the PA500 doing anything special here that I'm not aware of?Thanks

u13550 by L3 Networker
  • 2574 Views
  • 2 replies
  • 0 Likes

disable SSL renegotiation

Is there a way to disable SSL renegotiation at firewall level ?Disabling it server side ( Microsoft Security Advisory: Vulnerability in TLS/SSL could allow spoofing ) breaks activeSync. I'd like to test a different scenario to get rid of the many false positives we get for the SSL Renegotiation Denial of Service Vulnerability.

dieter_b by L4 Transporter
  • 3895 Views
  • 1 replies
  • 0 Likes

Default rule - tcp reset/icmp host unreachable

Hello All,Maybe it's there, in a doc, but I cannot find it...Suppose I have tiered architecture.And suppose developer breaks his code and want's to connect to other security zone or to the outside world buth should not, and I want his application to know it immidiatelly by getting tcp reset.Right now I catch myself debugging for several hours ro...

Accessing brightcloud.com returns block page

We are sometimes getting a block page when accessing brightcloud.com to report a site. The category returned is 'malware-sites'. The logs show that 'service.brightcloud.com' is correct, but 'brightcloud.com/support/lookup.php' and 'brightcloud.com/support/border-radius.htc' are URL blocked as 'malware-sites'.

cloughr by L2 Linker
  • 4132 Views
  • 3 replies
  • 0 Likes

Resolved! How to see historic load (CPU load) stats on 4020?

Let me start by giving the traditional, ive rtfm, this forum wont let me search it and ive tried hard to find it myself.I need one simple thing. How much load is on my FW and whats the load been historically? Where the heck can I find this? All I can find is the 'resource information' widget on the dashboard page.thanks!

choff123 by L3 Networker
  • 8712 Views
  • 2 replies
  • 0 Likes

Resolved! How to protect an https webserver in the dmz with vulnerability protection ?

Hi guys,the vulnerability protection is a really nice feature of the PA.If the PA is able to take a look at the trafficthis should work fine.But how does it work if the webserver in the dmz only accepts https connections ? So the possible attacker connects with https to the webserver.I guess i need to terminate the ssl tunnel at the pa to be abl...

cfpa by L1 Bithead
  • 5049 Views
  • 4 replies
  • 0 Likes

Traffic shaping and QOS clarification

HelloI try to do some traffic shapping for a server to control the traffic used by this server over internet, generally this was easy done over our old netscreen/juniper FWswhen i tried to figure it out over our PA 2020, i passed throught a not that the shaping is done only over egress port of the FW.and there are a document here that explain so...

daba1974 by Not applicable
  • 5599 Views
  • 2 replies
  • 0 Likes
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