Source

Destination

Protocols

Ports

Description

Parallels Client

HALB

TCP, UDP

TCP, UDP

TCP, UDP

80, 443

3389

20009

Management and user session connections.

Optional - Used for user session if RDP Load Balancing is enabled.

Client Manager shadowing via Firewall (indirect network connection).

RAS Secure Client Gateway (Normal and Forwarding modes)

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.

Client Manager shadowing via Firewall (indirect network connection).

Note: Since RAS v16, Secure Client Gateways (in Forwarding mode) do not support client management.

Secure Client Gateway lookup broadcast.

RDP Session

TCP, UDP

3389

Used for user session connections in Direct Mode only. RDP connection is always encrypted.