Sites to Allow

To ensure that Cengage learning platforms work correctly, the following sites should not be blocked by firewalls. Browsers should also allow cookies and pop-up windows for these sites.

Primary sites

  • cengage.com and subdomains of cengage.com such as gateway.cengage.com
  • cengage.celebrus.com

Subdomains of cengage.com

  • gateway.cengage.com

Additional sites

Bandwidth shaping and content filtering on the campus network might negatively affect performance. The listed sites should be excluded from bandwidth restrictions or given bandwidth preference.

Also ensure that the standard HTTP/HTTPS Ports (ports 80 and 443) are open.