Procedure

1. Go to the Communication Control → Add button.
   The Communication Control > Add screen appears.
2. Type the rule name.
3. Select the user, users, group, or groups affected by the rule.
   1. Select the type of contact to include in this rule.
      • anyone: This option applies the rule to all communication traffic (internal and external) passing through the Lync/Skype for Business Server. The rule does not apply to user(s) or group(s) specified in the Exceptions list.
      • in specific group: Instructs IM Security to monitor triggered rules from users within a specific group (for example, the financial controller or Finance group).
      • between groups: Instructs IM Security to monitor rule matches when a user from one group communicates to a user from another group (for example, users from Security Group 1 and Security Group 2).
   2. Beside any of the contact group headings (Selected Contacts / Group1, Selected Contacts / Group2, or Exceptions), click the Edit link.
      The Communication Control > Edit > Select Contact screen appears.

      For details on selecting Communication Control contacts and contact exceptions, see Configuring Communication Control Contacts.
4. Specify the Time Settings that apply to this rule.
   • From: The date and time that the rule takes effect
   • No end date: The rule does not expire
   • To: The date and time that the rule expires

     Note After the rule expires, IM Security stops applying the rule to users. IM Security continues to apply any other lower priority rules to users as configured.

5. Under Permissions, specify whether to Allow or Block access to specific communication features during the specified times.

   Feature	Description
   Instant messaging	Specify if the selected accounts have permission to send and receive instant messages.
   File transfers	Specify if the selected accounts have permission to send and receive files.
   Audio/Video calls	Specify if the selected accounts have permission to send and receive audio/video.
   Desktop/App sharing	Specify if the selected accounts have permission to send and receive sharing sessions.

6. Select the person or people to send a notification to when IM Security detects a threat or policy detection (Administrator, Sender, or Recipient) and configure the notification options.
   • Specify any of the available notification methods (Email, Instant message, and SNMP).

     Note For Administrators, specify the administrator email address and instant messaging address in the text boxes provided, or configure the global administrator notification settings on the Administrator Notification screen. For details, see Configuring Administrator Notification Settings.

   • Modify the default message by clicking the Settings link.

     Note A list of available message variable tokens displays to the left of the message body details. To insert a variable token in the message body, select the variable token and click the arrow button.

     Click Save.
7. Click Save.