![]() UDP 443 is internally forwarded to UDP 9443 on UDP Tunnel Server service on Unified Access Gateway. Port Requirements for Horizon Portįor web traffic, Horizon Client XML - API, Horizon Tunnel, and Blast Extreme Therefore, the custom ports must be greater than port 1024. ![]() Note: As the Secure Email Gateway (SEG) service runs as a non-root user in the Unified Access Gateway, the SEG cannot run on the system ports. Used for fetching Kerberos authentication tokens when KCD authentication is enabled. SEG fetches the configuration and policy data from Workspace ONE. SEG connects to Email server's listener port, usually 443, to serve email traffic Used for Diagnostic and Administrative functionalities. When 443 or any other port is configured, Unified Access Gateway will internally route the SEG traffic to 11443.Įmail Notification Service (when enabled) Secure Email Gateway listens on port 11443. Port Requirements for the Secure Email Gateway Port DNS requests are made on UDP port 53 and so it is important that an external firewall does not block these requests or replies. ![]() The DNS server IP addresses are configurable. Unified Access Gateway services use DNS to resolve hostnames. Note: All UDP ports require forward datagrams and reply datagrams to be allowed.
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