SSL VPN Service

SSL VPN Service

Secure Sockets Layer Virtual Private Network (SSL VPN) provides CUHK staff with a secure remote access to on-campus resources over an Internet connection. Once connected, all traffic for accessing on-campus resources go through the VPN tunnel. The rest traffic goes through your original Internet connection.

The SSL VPN service provides an alternate secure VPN connection for end users. DUO Two Factor Authentication (2FA) is mandatory in using this service.

Available to


Service Charge and Application

Free; Pre-requisite: account must be enabled with 2FA

Service Availability

24 X 7; except maintenance period


1. Installing SSL VPN Client to Use SSL VPN


  • DUO Two Factor Authentication (2FA) must be enabled

Set up and Connect CUHK SSL VPN with

Details of CUHK SSL VPN

  • Hostname:
  • Max connection session: 8 hours with 1 hour idle time out
2. Services Require VPN Connection

Services Require VPN Connection

  • The following central IT resources or services require a campus network connection when you’re outside CUHK.
    • CUHK Restricted Webpage at
    • CUPIS – CU Personnel Information System
    • CUSAP Financial System
    • IOPAS – Integrated Outside Practice Administration System
    • SPUS – Staff Profile Update System
    • SSAS – Staff Superannuation Administration System
    • ITSC managed Research Computing Platforms (Newcluster, AVES, GAIA)
    • Kaspersky anti-virus download center
    • Camtasia registration list
    • RDP (Remote Desktop Protocol) – policy
    • SMB (Server Message Block) – policy
    • Wake-on-LAN
    • Changing Email Alias or Email Address
  • Access ClassNet, a wired network in CUHK classrooms
  • For department IT services, please consult related departmental IT support.
3. Policy and Guidelines


4. Known Issues

You may experience an unstable VPN connection from mainland China with the gradual upgrade of China’s Great Firewall. Most of the University systems do not require a VPN connection. You can do your email, access eLearning system, browse CUHK websites, etc. through any Internet connection. Please check out services that require a VPN connection.