Parallels Client
| 
             Source  | 
           
             Destination  | 
           
             Protocols  | 
           
             Ports  | 
           
             Description  | 
          
| 
             Parallels Client  | 
           
             HALB  | 
           
             TCP, UDP TCP, UDP  | 
           
             80, 443 20009  | 
           
             Management and user session connections. Device Manager shadowing via Firewall (indirect network connection).  | 
          
| 
             RAS Secure Gateway Forwarding mode  | 
           
             TCP, UDP TCP, UDP UDP  | 
           
             80, 443 3389 20000  | 
           
             Management and user session connections. Optional - Used for user session if RDP load balancing is enabled (Standard RDP). Secure Gateway lookup broadcast.  | 
          |
| 
             RAS Secure Gateway Normal mode  | 
           
             TCP, UDP TCP, UDP TCP, UDP UDP  | 
           
             80, 443, 3389 20009 20000  | 
           
             Management and user session connections. Optional - Used for user session if RDP load balancing is enabled (Standard RDP). Device Manager shadowing via Firewall (indirect network connection) Secure Gateway Lookup Broadcast  | 
          |
| 
             Session host (VDI, RDS, RemotePC)  | 
           
             TCP, UDP  | 
           
             3389  | 
           
             Used for user session connections in Direct Mode only. RDP connection is always encrypted.  | 
          |
| 
             Azure Virtual Desktop Services  | 
           
             TCP UDP  | 
           
             443 3390  | 
           
             Azure Virtual Desktop Gateway connection Used for user session connections in ShortPath mode only.  | 
          |
| 
             Microsoft site  | 
           
             TCP  | 
           
             443  | 
           
             Download Microsoft Remote Desktop (MSRDC) client  | 
          |
| 
             Parallels site  | 
           
             TCP  | 
           
             80, 443  | 
           
             Check for updates and download Parallels Client  |