Witness Anywhere: Jamf (macOS) (Beta)

Deploying on macOS (Beta) with Jamf

Generate PAC Token & Download Files

1. As a User with Admin Role or above, log into the WitnessAI Console.

2. Click on the Settings menu item (1), then click on Proxy Configuration in the sub-menu (2).

3. Enter a name in the Key Name field (3).

4. Choose an Expiration Date (4).

5. Click the Generate PAC Token button (5).

6. Locate the row in the list with the Key Name and Expiration Date of the PAC Token you created (6), and click the Download Symbol.

7. Click on Jamf (Mac) (7) from the dropdown, and a zip file will be downloaded to your Downloads folder.

Configure The Extension Attributes

1. In the Jamf Portal, Navigate to Settings > Computer Management > Extension Attributes.

2. Click on New, input the values below, and click Save.
Ensure the box labeled “Enable (script input type only)” is checked (1).
Display Name: Witness_PAC_URL (2).
Data Type: String (3).
Inventory Display: Hardware (4).
Input Type: Script (5).
Script (6):

#!/bin/bash
pac_url=$(xmllint --xpath "string(//key[.='pac_url']/following-sibling::string[1])" /Library/Preferences/com.witnessai.settings.plist)
echo "<result>$pac_url</result>"



 

3. Click on the Witness_PAC_URL Extension Attribute entry and open it.
Make a note of the ID number at the end of the URL in the Address Bar.
In the below image the ID number is 1
Example: https://{company-name}.jamfcloud.com/view/settings/computer-management/computer-extension-attributes/1

Configure The Registration Script

1. In the Jamf Portal, navigate to Settings > Computer management > Scripts and Click on New.

2. Enter the details below and click save:
• Display Name: Witness-PAC-Registration
• Paste the downloaded register_device.sh script under the script tab.

3. Configure the Computer Group
In the Jamf Portal, navigate to Computers > Smart Computer Groups and click on New (1).

4. Enter a Display Name (Ex: Witness-PAC-Devices) (1).

5. In the Criteria Tab (2), Click on Add



 

6. Choose Witness-PAC-URL (1) from the list.

7. Input the Values Below for Criteria Section and Save it.
Operator (1): like.
Value (2): https://api.{tenant-id}.{region}.witness.ai/v1/peas/pac

Configure The User Group

1. Navigate to Users > Static User Groups and click on New

2. Enter the Display Name of the group as Witness-PAC-Users

3. Under the Assignments tab, filter and select all the required users.

Configure Policy to push the Registration Script

1. In the Jamf Portal, Navigate to Computers > Policies and click on New

2. In the General Section:
• Enter the Display Name (1) as Witness-PAC-Registration.
• Trigger: Check the Login checkbox (2).
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Note: A login event that checks for policies must be configured in Jamf Pro for this to work

3. Login Event Configuration
• Navigate to Settings > Computer management > Check-in
• Click on Edit and Check the below items:
1. Create login events
2. Check for policies triggered by login

• Execution Frequency: Ongoing

• Click on Scripts Section Under Options and then Click on Configure.

• Click on the Add button for Witness-PAC-Registration Script.

• Now Click on Maintenance Under Option and Click Configure

• Make sure Update Inventory is selected.

• Now Click on the Scope Tab on the Top and click on Add
Select User Groups and Add the Witness-PAC-Users group and click Save.

• The registration script will now be pushed to the target macOS devices and will be run during next device login.

• PAC URL Storage: After successful registration, the PAC URL will be stored in a plist file on the client machine located at:
• /Library/Preferences/com.witnessai.settings.plist

• The PAC URL is persisted in the plist file to ensure that it is available for further configurations.

1. Upload Mobileconfig File to Jamf
• Navigate to Computers > Configuration Profiles and Click on Upload
• Now choose the mobileconfig file, downloaded in Step 1 from the UI and upload it.
• Go to Certificate Tab and Ensure that you see the Proxy CA Certificate details.

• Select Proxies under Options and replace the Extension Attribute ID number with the ID number obtained in Step 2.
In this example the ID number obtained in Step-2 was 1 and hence the value for Automatic Proxy Configuration URL is set as $EXTENSIONATTRIBUTE_1
Ex: If the ID value obtained in Step 2 is 16, the value here should be $EXTENSIONATTRIBUTE_16



• Now go to the Scope tab, then Click on Add and Select Witness-PAC-Devices under Computer Groups.
• Now save the configuration.

2. Verification
• During the next user logon, the registration script will run on the device.
• If the Username/Email is present in the Witness AI Console, the registration will be successful.
• The logs for the registration script will be stored at /tmp/pac_registration.log on the device.
• If the registration is successful, the PAC Profile should be visible under Settings > General > Device Management

• The device should now be PAC ready and AI traffic should be routed via WitnessAI Proxy.

PAC Flush

1. Remove the User from the Static User Group used for pushing the registration script
Navigate to Users > Static User Groups and open the Witness-PAC-Users group.
Under the Assignments tab, Click on Edit and remove the User and save it.

2. Create a new User Group under Users > Static User Groups.
Give the Display name as Flush-PAC and add the offboarded user account under Assignments Tab.

3. Navigate to Settings > Computer management > Scripts and Click on New

• Paste the Flush script downloaded from the UI in Step-1 under the script tab.

1. Navigate to Computers > Policies and click on New

2. In General Section:
• Give the Display Name as Witness-PAC-Flush
• Trigger: Login
[Note: A login event that checks for policies must be configured in Jamf Pro for this to work]

• Click on Scripts Section Under Options and then Click on Configure.

• Click on the Add button for Witness-PAC-Flush Script.

• Now Click on the Scope Tab on the Top and click on Add
Select User Groups and Add the PAC-Flush group and click Save.

1. The registration script will now be pushed to the target macOS devices and will be run during next device login.

2. Once the script run is completed the Proxy PAC Profile will be removed from the device in 2 minutes.

• Settings > Computer management > Check-in

• Click on Edit and Check the below items:

• Create login events

• Check for policies triggered by login