Hi Jeff,
I am searchign for white paper for you but you need following ports bi-directionally open between WAAS CM and WAAS to communicate to each other.
1. TCP 8443
2. TCP 443
3. UDP 4050 - if you are using directed mode.
4. TCP 22 and 23 - If you plan to use SSH / Telnet for management.
Regards,
PS: If this answers your question, please mark this as Answered.