The purpose of this document is to provide you an example of how to block all IM usernames except 1, using the modular policy framework on ASA.
We are faced with a challenge of blocking all the IM communication from the network except for a few users, based on their username.
The following example considers that you have a fair understanding of configuring modular policy framework on the ASA. Please enter the following configurations to block all the usernames on the IM except "email@example.com".
This section creates a regex entries for the allowed user.