Ways for CUHK Staff & Students to Connect to CUHK Campus Network and the Internet

To decide which network connection you should connect to, you have to consider (1) your location, (2) whether Ethernet backbone or wireless network is available and (3) the actions you want to perform on the Internet. The following table summarizes the characteristics and advices concerning each network connection.

Network Type	ResNet	ClassNet	CUHK / SSL VPN	CUHK Wi-Fi Service	CUHK Wi-Fi Hotspot Partnership Programme
Wireless				✔ SSID=CUHKa / CUHK	✔ SSID = CSL / Y5ZONE / Eduroam
On-campus	✔	✔		✔	✔
Off-campus			✔		✔
Coverage	All student hostels	Lecture theatres, classrooms, libraries and public areas on campus.		Lecture theatres, classrooms, libraries, canteens and public areas on campus.	Sister institutions, 24-hour convenient stores and shopping malls in Hong Kong, as well as educational institutions over the world.
Connection Method	Web Login + Computing ID & OnePass (CWEM) password	ClassNet and CUHK VPN: VPN Client + Computing ID & OnePass (CWEM) password SSL VPN: VPN Client + Email Address* & OnePass (CWEM) password * Staff : alias @cuhk.edu.hk Students : student-id @link.cuhk.edu.hk		Web Login + Computing ID & OnePass (CWEM) password	CSL/ Y5ZONE: Web Login Eduroam : Dot 1x connection + Computing-ID @cuhk.edu.hk & self-defined password. Registration is required.
Restricted CUHK Sites Access Availability	✔ These sites include: CUHK Wi-Fi Hotspot Partnership Programme, Staff Self-Service Enquiry System, Library e-resources, licensed software download, academic report, CUHK News Server, etc.			✘ You can gain access to these restricted sites by setting up a VPN connectionover your Wi-Fi connection.
Security	✔ VPN technology offers data encryption and security mechanisms to ensure that only authorized users can access the campus network.			✘ Data is not encrypted; thus the security level is low. Do NOT perform actions concerning sensitive / personal information, such as e-banking.
Advices	To enhance Internet security, read “Guidelines for Securely Configuring your Computers”.			For a high level of data security and access to restricted CUHK sites, run a VPN connection after successful login to the web portal. Learn more about “Best Practices for Accessing Public Wi-Fi Service”
Connection Time Per Session	12 hours with 1 hour idle time out and unlimited sessions			Unlimited with 1 hour idle time out	Unlimited