Mimecast Web Security: Managing Exceptions

Document created by user.oxriBaJeN4 Employee on Aug 6, 2018•Last modified by user.oxriBaJeN4 Employee on Oct 1, 2018
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This guide describes how you can manage your trusted domains and IPs, that bypass the Mimecast Web Security functionality. As exceptions override all other policies and user activity is not logged, we recommend that newly added exceptions are carefully considered. They should be domain areas that are frequently utilized and fully trusted (i.e. internal company sites).

For devices with the Mimecast Security Agent installed, add your internal domains to the exception list so the MSA will not look up internal domain addresses in your organization. For cloud-only setups, internal domain requests will not be forwarded outside your organization as the request goes to your internal DNS server before being passed to Mimecast Web Security.

Accessing Exceptions

 

To access your exceptions:

  1. Log on to the Administration Console.
  2. Click on the Administration menu item. A drop down menu displays.
  3. Click on the Web Security | Exceptions menu item.

 

Adding an Exception

If you have multiple exceptions, each must be added as a separate entry.

To add a new exception:

  1. Click on the Add New Exception button.
  2. Complete the pop out panel displayed on the right of the screen:
    Field / OptionDescription
    NameAdd a description for the exception (e.g. Internal Subsidiary Domain). 
    TypeSelect whether the exception is a "Domain" or "IP Range" from the drop down list. The selected field displays.
    DomainSpecify a domain name.
    IP RangeSpecify the IP address range in CIDR format.
  3. Click on the Add button.

 

Editing an Exception

 

ExceptionsTo edit an exception:

  1. Click on the Dots Icon icon to the right of the exception.
  2. Click on the Edit menu item. The Edit the Location dialog displays.
  3. Edit the fields as required.
  4. Click on the Save button.

 

Deleting an Exception

 

To delete an exception:

  1. Click on the Dots Icon icon to the right of the exception.
  2. Click on the Delete menu item. A confirmation popup box displays.
  3. Click on the Delete button to confirm.

 

Searching Exceptions

 

Searching ExceptionsTo search for an exception:

  1. Click on the All down arrow next to the search field.
  2. Select one of the following filters:
    • All: Searches all exceptions regardless of the type. This is the default.
    • Name: Searches for the exception name.
    • Domain: Searches for the domain name.
    • IP Address / Range: Searches the IP address range.
  3. Enter your search criteria in the Search field (e.g. name, domain, IP address).
  4. Press the Enter key or click on the search icon. Your results display.

 

See Also...

 

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