LISD requires devices install a Root Certificate to use network services effectively and securely. If you choose not to install the provided certificate, multiple websites may or may not work correctly.


Please install and trust the root certificate on your device.

Download Root Certificate



Device specific instructions for installing the certificate:

  1. Visit http://cert.lisd.net in Safari
  2. Touch the 'Download Root Certificate' button
  3. Touch 'Allow' to allow the download
  4. Touch 'Close'
  5. Open the 'Settings' app
  6. Touch 'Profile Downloaded' on the sidebar
  7. Touch 'Install'
  8. Enter your device passcode if prompted
  9. Touch 'Install'
  10. Touch 'Install'
  11. Touch 'Done'
  12. Touch 'General' -> 'About' -> 'Certificate Trust Settings'
  13. Enable the toggle switch on the line labeled 'lisd-LISD-DC2-CA'
  14. Touch 'Continue'
  15. All Done!

You must set a screen unlock PIN or password for Android to allow the steps below

  1. Visit http://cert.lisd.net
  2. Touch the 'Download Root Certificate' button
  3. Touch to the 'Close' button at the 'Install CA certificates in settings prompt
  4. Open the 'Settings' app
  5. Touch the 'Security' button
  6. Touch the 'Advanced Settings' button
  7. Touch the 'Encryption & credentials' button
  8. Touch the 'Install a certificate' button
  9. Touch the 'CA certificate' button
  10. Touch the 'Install anyway' button at the privacy warning
  11. Enter your device unlock passcode if prompted
  12. Navigate to the 'Downloads' folder
  13. Touch the 'lisd-LISD-DC2-CA.crt' file
  14. Touch 'Done'
  15. Touch the 'Install from device storage' button
  16. Touch the 'Wi-Fi certificate' option
  17. Navigate to the 'Downloads' folder
  18. Touch the 'lisd-LISD-DC2-CA.crt' file
  19. Touch 'Done'
  20. Name the certificate 'LISD'
  21. Touch 'OK'
  22. All Done!

When connecting to the LISD Wi-Fi network, set the 'CA certificate' option to 'LISD' and 'Domain' to 'lisd.local'. You may receive an internet unavailable message. Touch the "keep connecting" option. This is a normal behavior of Android and Wi-Fi will work.

You must set a screen unlock PIN or password for Android to allow the steps below

  1. Visit http://cert.lisd.net
  2. Touch the 'Download Root Certificate' button
  3. Open the 'Settings' app
  4. Touch the 'Biometrics and Security' button
  5. Touch the 'Other security settings' button
  6. Touch the 'Install from device storage' button
  7. Touch the 'Wi-Fi certificate' option
  8. Navigate to the 'Downloads' folder
  9. Touch the 'lisd-LISD-DC2-CA.crt' file
  10. Touch 'Done'
  11. Name the certificate 'LISD'
  12. Touch 'OK'
  13. Touch the 'Install from device storage' button
  14. Touch the 'CA certificate' option
  15. Touch the 'Install anyway' option at the privacy warning
  16. Navigate to the 'Downloads' folder
  17. Touch the 'lisd-LISD-DC2-CA.crt' file
  18. Touch 'Done'
  19. Name the certificate 'LISD'
  20. Touch 'OK'
  21. All Done!

When connecting to the LISD Wi-Fi network, set the 'CA certificate' option to 'LISD' and 'Domain' to 'lisd.local'. You may receive an internet unavailable message. Touch the "keep connecting" option. This is a normal behavior of Android and Wi-Fi will work.

  1. Visit http://cert.lisd.net in Chrome
  2. Click the 'Root Certificate' button
  3. Open the 'Keychain Access' application
  4. Select the 'System Keychain' from the list on the left
  5. On the top menu bar, select 'File' then 'Import Items…'
  6. In the open file dialog, navigate to your Downloads folder and select 'lisd-LISD-DC2-CA.cer'. Verify the 'Destination Keychain' is 'System' in the dropdown at the bottom of the open file dialog. Click 'Open'.
  7. Enter your Mac's admin username and password if prompted
  8. Double click the 'lisd-LISDDC2-CA' certificate in the list.
  9. Expand the 'Trust' section and change 'When using this certificate' to 'Always Trust'.
  10. Close the certificate dialog
  11. Quit the Keychain Application
  12. All Done!

  1. Visit http://cert.lisd.net in Chrome
  2. Click the 'Root Certificate' button to download file (lisd-LISD-DC2-CA.cer)
  3. Double click the downloaded file (lisd-LISD-DC2-CA.cer)
  4. Click 'Install Certificate' in the Certificate window
  5. Click 'Next' on the Import Wizard to select current user
  6. Select the 'Place all certificates in the follow store' option
  7. Click 'Browse'
  8. Select 'Trusted Root Certification Authorities' and Click 'OK'
  9. Click 'Next' and then 'Finish'
  10. You should see "The import was successful", Click OK
  11. Exit the wizard (click x)
  12. Close all Chrome browser windows
  13. Re-Open Chrome
  14. All Done!

  1. Visit http://cert.lisd.net in any browser
  2. Click the 'Download Root Certificate' button
  3. Open the 'Keychain Access' applicaiton
  4. Select the 'System Keychain' from the list on the left
  5. On the top menu bar, select 'File' then 'Import Items...'
  6. In the open file dialog box, navigate to your Downloads folder and select "lisd-LISD-DC2-CA.cer"
  7. Verify the 'Destination Keychain' is 'login' in the dropdown at the bottom of the open file dialog
  8. Click Open
  9. Enter your Mac's username and password if prompted
  10. If KeychainAccess is not open, open it and select the "Login" Keychain
  11. Double click the 'lisd-LISDDC2-CA' certificate in the list
  12. Expand the 'Trust' section and change 'When using this certificate' to 'Always Trust'
  13. Close the Certificate dialog
  14. Quit the 'Keychain Access' Application
  15. All Done!

  1. Visit http://cert.lisd.net in any browser
  2. Click the 'Download Root Certificate' button
  3. Open the 'Keychain Access' applicaiton
  4. Select the 'System Keychain' from the list on the left
  5. On the top menu bar, select 'File' then 'Import Items...'
  6. In the open file dialog box, navigate to your Downloads folder and select "lisd-LISD-DC2-CA.cer"
  7. Verify the 'Destination Keychain' is 'login' in the dropdown at the bottom of the open file dialog
  8. Click Open
  9. Enter your Mac's username and password if prompted
  10. If KeychainAccess is not open, open it and select the "Login" Keychain
  11. Double click the 'lisd-LISDDC2-CA' certificate in the list
  12. Expand the 'Trust' section and change 'When using this certificate' to 'Always Trust'
  13. Close the Certificate dialog
  14. Quit the 'Keychain Access' Application
  15. All Done!

  1. Visit http://cert.lisd.net
  2. Click the 'Root Certificate' button
  3. Click 'Open' to open the downloaded certificate
  4. Click 'Install Certificate'
  5. Ensure 'Current User' is selected
  6. Click 'Next'
  7. Click 'Place all certificates in the following store'
  8. Click 'Browse'
  9. Choose 'Trusted Root Certification Authorities'
  10. Click 'OK'
  11. Click 'Next'
  12. Click 'Finish'
  13. Click 'OK'
  14. All Done!

  1. Visit http://cert.lisd.net
  2. Save the file to your computer
  3. In Firefox Options, go to 'Advanced' then 'Certificates' then 'View Certificates'
  4. Click the "Authorities" tab
  5. Click the 'Import' button and select the file you just downloaded
  6. Check the box beside 'Trust this CA to identify websites'
  7. Click 'OK' and 'OK'
  8. All Done!

  1. Visit http://cert.lisd.net
  2. Click the 'Download Root Certificate' button
  3. In the Chrome address bar type: chrome://settings/certificates
  4. Click the 'Authorities' tab
  5. Click the 'Import' button
    1. Change the file type filter to 'All Files' at the bottom left
  6. Select the 'lisd-LISD-DC2-CA.cer' file that you downloaded in step 2, and click 'Open'
  7. Check the 'Trust this certificate for identifying websites'
  8. Click 'OK'
  9. Click 'Done'
  10. All Done!