Allowing Network Services in School Manager

This article is for IT support with a Linewize appliance.

To ensure the smooth operation of network and peripheral services on your School Manager network, you should create content filtering policies that allow these services unimpeded internet access. For services without a Content Filtering Category or Signature, adding a policy to your School Manager filtering policy set is a simple process:

  1. Create a Security Group containing the required network ports.
  2. Create a Content Filtering policy that uses the Security Group.

Before You Start

Before you start creating a filtering policy, ensure you have either:

  • Created a list of network ports used by the service
  • Created a Security Group

Create a Security Group

  1. In School Manager, go to Configuration > Objects > Security Groups.
  2. Select Add Security Group.
  3. For the Security Group Name, enter a name like X Service Network Ports.
  4. Select Add.
  5. Select the Security Group’s name.
  6. Select Add Entry.
  7. For Manage Security Group, enter a name like Network Port X or Network Ports X-Y.
  8. Select Port or Port Range from the Criteria dropdown.
  9. Enter a port or port range.
  10. Select Save.

Create a Content Filter Policy


The Locked Allowed policy prevents users from accidentally blocking services and ensures network ports included in the security group can always be accessed.

  1. In School Manager, select Filtering > Content Filtering.
  2. To add a new policy, select Create Policy.
  3. Configure the following settings:
    1. For Name, enter Allow - X Service - All.
    2. Using the Website/Category dropdown, select All Traffic.
    3. Using the Criteria dropdown, select Security Group, then select the group you created earlier.
    4. Select the Allow option.
    5. Select the Locked checkbox.
  4. Select Save Policy.
  5. Reorder the new policy to the top of the Content Filtering list.
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