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PCI Compliance for Palo Alto Networks 10

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The Sumo Logic App for Payment Card Industry (PCI) Compliance for Palo Alto Networks 10 offers dashboards to monitor firewall traffic activity for compliance with PCI requirements 01, 02, and 04.


You must have Palo Alto Networks Web administrative user permissions to successfully set up collection.

Log Types

Log typeDescriptionSupported log formatFor more information
TrafficEntries for the start and end of each session, including date and time; source and destination zones, addresses and ports; application name; security rule applied to the traffic flow; rule action (allow, deny, or drop); ingress and egress interface; number of bytes; and session end reason.SyslogTraffic Logs

Collect Logs for PCI Compliance for Palo Alto Networks 10

This section provides instructions for configuring log collection for the Sumo Logic app for PCI Compliance for Palo Alto Networks 10, as well as sample log messages and a query example from an app dashboard. This includes the following tasks:

  1. Create a hosted collector with a Cloud Syslog source
  2. Define the destination for the logs.
  3. Configure syslog forwarding
  4. Verify logs in Palo Alto Networks

Step 1. Create a hosted collector and Cloud Syslog source

In this step you configure a hosted collector with a Cloud Syslog source that will act as Syslog server to receive logs and events from Palo Alto Networks devices.

To configure a hosted collector with a Cloud Syslog source, do the following:

  1. Log in to Sumo Logic and create a Hosted Collector.
  2. Create a Cloud Syslog Source on the hosted collector, specifying the following:
    1. Enter a Source Name.
    2. Provide a Source Category: NW/PAN/V10
  3. Click Save.
  4. Copy the Token, host URL and TCP TLS Port to a safe place. You will need this information in the tasks that follow.

Step 2. Define the destination for the logs

In this step you create a server profile where you can define the log destination. This will be the host name, port and protocol (TLS) of the Sumo Logic Cloud Syslog source.

To create a server profile specifying the log destination, do the following:

  1. Login to the Palo Alto Networks Web interface as an administrative user.
  2. Select Device tab > Server Profiles > Syslog.
  3. Click Add at the bottom of the screen and provide endpoint details and a profile name, such as Sumo_Logs_Profile01.
  4. In the Syslog Server Profile window, select the Servers tab and click Add.
  5. In the Servers window, specify the following information:
    1. Name. Sumo_CloudSyslog_EndPoint01
    2. Syslog Server. URL from Step 1
    3. Transport. SSL
    4. Port. Port from Step 1
    5. Format. IETF
    6. Facility. LOG_USER
  6. In the Syslog Server Profile window, select the Custom Log Format tab, and use the following custom format for the Traffic log type:
,$receive_time,$serial,$type,$subtype,,$time_generated,$src,$dst,$natsrc,$natdst,$rule,$srcuser,$dstuser,$app,$vsys,$from,$to,$inbound_if,$outbound_if,$logset,,$sessionid,$repeatcnt,$sport,$dport,$natsport,$natdport,$flags,$proto,$action,$bytes,$bytes_sent,$bytes_received,$packets,$start,$sec,$category,,$seqno,$actionflags,$srcloc,$dstloc,,$pkts_sent,$pkts_received,$session_end_reason,$dg_hier_level_1,$dg_hier_level_2,$dg_hier_level_3,$dg_hier_level_4,$vsys_name,$device_name,$action_source,$src_uuid,$dst_uuid,$tunnelid/$imsi,$monitortag/$imei,$parent_session_id,$parent_start_time,$tunnel,$assoc_id,$chunks,$chunks_sent,$chunks_received,$rule_uuid,$http2_connection <Token from [Step 1](#Step_1._Create_a_hosted_collector_and_Cloud_Syslog_source)>
  1. Click OK.
  2. Commit the changes.

Step 3. Configure syslog forwarding

To configure syslog forwarding for each Traffic logs, follow the steps to Configure Log Forwarding as described in the Palo Networks documentation.

Step 4. Verify logs in Palo Alto Networks

In this step, you view logs using the Palo Alto Network Web interface to confirm the logs are generated on the firewall.

To verify the logs in Palo Alto Networks, do the following:

  1. In the Palo Alto Networks UI, select Monitor > Logs.
  2. Once the setup is done, log in to Sumo Logic.
  3. To validate that the logs are flowing to Sumo Logic, run a query using the source category you configured during Step 1, such as: _sourceCategory = NW/PAN/V10

Sample logs

The PCI Compliance for Palo Alto Networks 10 App uses Traffic logs.

Oct 09 10:19:15 1,2019/10/09 10:19:15,001234567890002,TRAFFIC,drop,2304,2019/10/09 10:19:15,,,,,InternalServer,,,not-applicable,vsys1,inside,z1-FW-Transit,ethernet1/2,,All traffic,2019/10/09 10:19:15,0,1,63712,443,0,0,0x0,udp,deny,60,60,0,1,2019/10/09 10:19:15,0,any,0,0123456789,0x0,Netherlands,,0,1,0,policy-deny,0,0,0,0,,SumPunFw07,from-policy,,,0,,0,,N/A,0,0,0,0,1202585d-b4d5-5b4c-aaa2-d80d77ba456e,0

Sample Query

This example query is from the Allowed Network Activity by Direction panel of the Accepted and Rejected Traffic dashboard.

Click to expand
_sourceCategory = Labs/PaloAltoNetworksv10 TRAFFIC allow
| csv _raw extract 1 as f1, 2 as Receive_Time, 3 as serialNum, \
4 as type, 5 as subtype, 6 as f2, 7 as LogGenerationTime, 8 as src_ip, \
9 as dest_ip, 10 as NAT_src_ip, 11 as NAT_dest_ip, 12 as ruleName, \
13 as src_user, 14 as dest_user, 15 as app, 16 as vsys, 17 as src_zone, \
18 as dest_zone, 19 as inbound_interface, 20 as outbound_interface, \
21 as LogAction, 22 as f3, 23 as SessonID, 24 as RepeatCount, \
25 as src_port, 26 as dest_port, 27 as NAT_src_port, 28 as NAT_dest_port, \
29 as flags, 30 as protocol, 31 as action, 32 as bytes, 33 as bytes_sent, \
34 as bytes_recv, 35 as Packets, 36 as StartTime, 37 as ElapsedTime, \
38 as Category, 39 as f4, 40 as seqNum, 41 as ActionFlags, 42 as src_Country, \
43 as dest_country, 44 as f5, 45 as pkts_sent, 46 as pkts_received, \
47 as session_end_reason, 48 as Device_Group_Hierarchy_l1, \
49 as Device_Group_Hierarchy_l2, 50 as Device_Group_Hierarchy_l3, \
51 as Device_Group_Hierarchy_l4, 52 as vsys_Name, 53 as DeviceName, \
54 as action_source, 55 as Source_VM_UUID, 56 as Destination_VM_UUID, \
57 as Tunnel_ID_IMSI, 58 as Monitor_Tag_IMEI, 59 as Parent_Session_ID, \
60 as parent_start_time, 61 as Tunnel, 62 as SCTP_Association_ID, \
63 as SCTP_Chunks, 64 as SCTP_Chunks_Sent, 65 as SCTP_Chunks_Received, \
66 as UUIDforrule, 67 as HTTP2Connection, 68 as AppFlapCount ,69 as PolicyID ,\
70 as LinkSwitches ,71 as SDWANCluster ,72 as SDWANDeviceType ,\
73 as SDWANClusterType ,74 as SDWANSite ,75 as DynamicUserGroupName ,\
76 as XFFAddress ,77 as SourceDeviceCategory ,78 as SourceDeviceProfile ,\
79 as SourceDeviceModel ,80 as SourceDeviceVendor ,81 as SourceDeviceOSFamily ,\
82 as SourceDeviceOSVersion ,83 as SourceHostname ,84 as SourceMACAddress ,\
85 as DestinationDeviceCategory ,86 as DestinationDeviceProfile ,\
87 as DestinationDeviceModel ,88 as DestinationDeviceVendor ,\
89 as DestinationDeviceOSFamily ,90 as DestinationDeviceOSVersion ,\
91 as DestinationHostname ,92 as DestinationMACAddress ,93 as ContainerID ,\
94 as PODNamespace ,95 as PODName ,96 as SourceExternalDynamicList ,\
97 as DestinationExternalDynamicList ,98 as HostID ,99 as UserDeviceSerialNumber ,100 as SourceDynamicAddressGroup ,101 as DestinationDynamicAddressGroup ,\
102 as SessionOwner ,103 as HighResolutionTimestamp ,104 as ASliceServiceType ,\
105 as ASliceDifferentiator
| where type = "TRAFFIC" and action="allow"
| where ((compareCIDRPrefix("", src_ip, toInt(12)) or compareCIDRPrefix("", src_ip, toInt(16)) or compareCIDRPrefix("", src_ip, toInt(8)) and (!compareCIDRPrefix("", dest_ip, toInt(12)) and !compareCIDRPrefix("", dest_ip, toInt(16)) and !compareCIDRPrefix("", dest_ip, toInt(8)))) or
(compareCIDRPrefix("", dest_ip, toInt(12)) or compareCIDRPrefix("", dest_ip, toInt(16)) or compareCIDRPrefix("", dest_ip, toInt(8)) and (!compareCIDRPrefix("", src_ip, toInt(12)) and !compareCIDRPrefix("", src_ip, toInt(16)) and !compareCIDRPrefix("", src_ip, toInt(8)))))
| if (compareCIDRPrefix("", src_ip, toInt(12)) or compareCIDRPrefix("", src_ip, toInt(16)) or compareCIDRPrefix("", src_ip, toInt(8)), "outbound","inbound") as direction
| timeslice 5m
| count by _timeslice, direction | transpose row _timeslice column direction

Installing the PCI for Palo Alto Networks 10 App

Now that you have set up collection for PCI for Palo Alto Networks 10 app, you can install app and use the preconfigured searches and dashboards that provide insight into your data.

This app supports PAN-OS v10.

To install the app:

  1. From the Sumo Logic nav, select App Catalog.
  2. Search for and select your app.
  3. (Optional) To see a preview of the dashboards included with the app, scroll down to the Dashboard Preview section.
  4. If the app has multiple versions - not all apps do - select the version of the service you're using, then click Add Integration.
  5. On the next configuration page, under Select Data Source for your App, complete the following fields:
    • Data Source. Select one of the following options:
      • Choose Source Category and select a source category from the list; or
      • Choose Enter a Custom Data Filter, and enter a custom source category beginning with an underscore. For example, _sourceCategory=MyCategory.
    • Folder Name. You can retain the existing name or enter a custom name of your choice for the app.
    • All Folders (optional). Default location is the Personal folder in your Library. If desired, you can choose a different location and/or click New Folder to add it to a new folder.
  6. Click Next.
  7. You'll see a dialog confirming that the app was installed successfully.

Once an app is installed, it will appear in your Personal folder, or other folder that you specified. From here, you can share it with your organization.

Panels will start to fill automatically. It's important to note that each panel slowly fills with data matching the time range query and received since the panel was created. Results won't be available immediately, but within 20 minutes, you'll see full graphs and maps.

Viewing PCI for Palo Alto Networks 10 Dashboards

PCI Req 01 - Accepted and Rejected Traffic

Dashboard description: See analytics about accepted and rejected firewall traffic, including information about traffic direction; allowed, denied, and silently dropped traffic over time; and the top source and destination IPs for allowed and rejected traffic.

Use case: You can use this dashboard to monitor allowed and rejected traffic in accordance with PCI requirement 1. The dashboard helps you identify systems accepting or rejecting traffic, and identify inbound and outbound network connections trends.

Palo Alto 10 dashboards

PCI Req 01 - Traffic Direction Monitoring

Dashboard description: View information about inbound and outbound traffic, including traffic to the cardholder data environment (CDE); details of inbound and outbound traffic; the top 10 hosts sending traffic; and the top 10 hosts receiving traffic.

Use case: You can use this dashboard to monitor connections made from external IPs to internal IPs. You can identify top internal IPs receiving traffic from external IPs or sending traffic to external IPs. Similarly, this dashboard helps you identify the amount of traffic generated by different IPs crossing your organization's network boundary.

Palo Alto 10 dashboards

PCI Req 01, 02 - Data Access Monitoring

Dashboard description: See information about accepted network traffic by application; top TCP and UDP source and destination ports; multi-services detected on the same host; and information about possible port scan attacks, both allowed and rejected.

Use case: You can use this dashboard to monitor activities on ports, apps being used, and the protocols used to access apps. The panels help you identify possible port scan attacks, both horizontal and vertical. You can also identify if there are systems on which multiple services are executing.

Palo Alto 10 dashboards

PCI Req 02, 04 - Insecure Data In Transit

Dashboard description: See analytics about insecure data in transit data, including data transmissions to or from the cardholder data environment (CDE) using an insecure protocol; breakdowns of which apps, hosts, and ports were involved with insecure traffic.

Use case: You can use this dashboard to identify systems and hosts involved in insecure data transit. You can identify insecure connections and port protocols like ftp, telnet, http, rlogin, and so on. You can also identify successful and rejected network connections for insecure connections.

Palo Alto 10 dashboards
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