Personal Laptop or Phone Internet Access

UCB Guest wireless allows campus guests quick and easy access to the Internet. To connect:

1. Select UCB Guest as your wireless network.
2. Open a web browser and navigate to www.colorado.edu. You will be automatically redirected to a registration page.
3. Review the Guest Wireless Policy.
4. Click on the Agree button.
5. You are now free to use UCB Guest Wireless for basic Internet activity for 24 hours. Re-registration is required after 24 hours.

Note that UCB Guest wireless only provides general Internet use. Guests cannot access CU Boulder resources that require on-campus connections, such as library resources and other protected servers and services that are provided strictly for CU Boulder affiliated students, faculty, and staff.

Caution: Whenever sensitive data is transmitted wirelessly, a VPN should be used for secure data transmission.

Guest Wireless Ports

All common web and VPN traffic is available through UCB Guest Wireless; however, some applications will not be able to connect due to the necessary port not being open on the UCB Guest Wireless network. The following ports are available:

• Web: 80/tcp, 443/tcp
• Email: Secure SMTP – 587/tcp, Secure IMAP – 993/tcp, Secure POP – 995/tcp
• SSH – 22/tcp
• FTP – 20/tcp, 21/tcp
• VPN: PPTP – 1723/tcp, IKE – 500/tcp & udp, IPSEC – 4500/tcp & udp, 10000/tcp & udp, GRE – protocol 47, ESP - protocol 50, AH - protocol 51

Eduroam

The eduroam service is an international secure federated access service, allowing for members of participating institutions to access a secure wireless network when on the CU Boulder campus. Campus visitors from institutions participating in eduroam can simply select eduroam from their operating system Wi-Fi options and connect to eduroam using their institution's credentials. If you experience any issues with eduroam while visiting CU Boulder, please contact your home institution's service desk.

Campus visitors who are not from a participating institution should use the UCB Guest wireless service

IT Service Center Assistance

Contact: 303-735-4357 (5-HELP) or OITHelp@colorado.edu
Monday – Friday: 7:30 a.m. – 7:00 p.m.

INTERNET ACCESS FOR COMPUTER LAB 252 ONLY

To access the internet through the computers in Computer Lab 252, visit the USNC-URSI NRSM registration desk located in the lobby for information.

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