Cisco Unified MeetingPlace, Release 6.x -- About Restricted Meeting ID Patterns

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Cisco Unified MeetingPlace, Release 6.x > Web Conferencing > Configuring > Configuring the Web Conferencing Server



As a system administrator, you can restrict Cisco Unified MeetingPlace Web Conferencing from accepting certain meeting ID patterns that you consider unsecure. For example, you can restrict meeting ID patterns that repeat the same digit three times in a row, such as 111 or 222.


Keep the following points in mind when determining which meeting ID patterns to restrict:

  • Restricted meeting ID patterns affect both numerical and vanity meeting IDs. Therefore, if you choose to restrict patterns that repeat the same digit three times, Cisco Unified MeetingPlace Web Conferencing will disallow both the numerical meeting ID "333" and the vanity meeting ID "deepdive," because "deepdive" translates to 3337383.
  • Keep the length of your minimum meeting ID requirement in mind. Repeating the same digit three times when the length of your minimum meeting ID is four digits long can be considered a security risk. However, repeating the same digit three times when the length of your minimum meeting ID is eight digits long may not.
  • There is always the chance of a meeting ID hitting the rule pattern and causing a problem. Judicious use of the rule is critical for the reduction of such incidents. Restricted meeting ID patterns can, and sometimes do, conflict with meeting IDs that are automatically and randomly generated by the Audio Server. The Audio Server does not take into consideration restricted meeting ID patterns set on the Web Server. We recommend that you manually enter a meeting ID that does not match a restricted meeting ID pattern. This is the only way to ensure that a meeting ID does not conflict with a restricted meeting ID pattern.


Note: You cannot schedule a meeting with a supported meeting ID pattern through the phone or MeetingTime, then attempt to modify it or reschedule it through Web Conferencing. This rescheduling behavior is not supported.


See the following procedures:

To Add Restricted Meeting ID Patterns
  1. Sign in to Cisco Unified MeetingPlace Web Conferencing.
  2. From the Welcome page, click Admin , then click Restricted Meeting ID Patterns .
  3. For Pattern, enter the restricted meeting ID pattern as a regular expression using the Perl syntax.
    Example
    .*(012|123|234|345|456|567|678|789|890|098|987|876|765|654|543|432|321|210).*
  4. For Description, enter a brief description to explain the intent of the pattern.
    Example
    Block sequences of 3 increasing or decreasing numbers.
  5. Click Add .
    The pattern appears in the "View" section of the page.
  6. Repeat Step 3 through Step 5 for each additional restricted ID pattern.
To Delete Restricted Meeting ID Patterns
  1. Sign in to Cisco Unified MeetingPlace Web Conferencing.
  2. From the Welcome page, click Admin , then click Restricted Meeting ID Patterns .
  3. From the "View" section of the page, locate the pattern you want to delete.
  4. Click Delete .

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