Multiple incoming connections on internal edge from non-internal servers. In the past %1 minutes the server received %2 incoming ...

Multiple incoming connections on internal edge from non-internal servers.

In the past %1 minutes the server received %2 incoming connections on internal edge from non-internal servers. The last one was from host %3.
Cause: This can happen if an internal server is not present in the list of internal servers on the Access Edge Server.
Resolution:
If the server is a valid one, you need to add it to the list of internal servers on the Access Edge Server. If the server is invalid, you may be under an attack from that server.