Caltech Guest Wireless Network

The Caltech Guest network is provided as a convenience to Caltech guests, visitors, conference attendees, contractors, vendors and others who are ineligible to receive Caltech credentials. Use of the Caltech Guest network is subject to the following:

  • Access to the Caltech Guest wireless network is provided at the discretion of the California Institute of Technology and may be revoked at any time without prior notice.
  • The Caltech Guest wireless network is not a secure network. Other users can potentially intercept information you send and receive. Use of encryption is strongly recommended for any sensitive or private information, including passwords.
  • Use of the Caltech Guest wireless network is restricted to web (http and https), email (imap, pop, imaps, pops, smtp, ssmtp), Secure Shell (SSH), and Virtual Private Network (VPN) only. Other uses are not allowed.
  • Users of the Caltech Guest wireless network are rate-limited and are prevented from communicating directly with each other. All traffic is subject to Network Address Translation.
  • Users network traffic will be monitored as part of Caltech's normal network management processes.
  • Users are subject to the Caltech Institute Policy on Acceptable Use of Electronic Information Resources.
  • Please note that for users of Firefox 3, there is a 10 second delay in the login process. We are working with the vendor to resolve this issue and expect it to be temporary.
  • OCSP needs to be disabled before you can use the Caltech Guest wireless network. OCSP is enbled by default in browser versions. To disable OCSP:

Disable OCSP in Firefox

  1. Click on Tools > Options
  2. Click on Advanced > Validation
  3. Uncheck the box labeled "Use the Online Certificate Status Protocol(OCSP) ..."
  4. Click OK 

Disable OCSP in Chrome

  1. Click on the Tools icon to the right of the Location Bar.
  2. Choose Preferences.
  3. Click on Under the Hood
  4. In the HTTPS/SSL section, uncheck the Check for server certificate revocation check box.
  5. Click on the Back button to close the Preferences window.

Disable OCSP in Safari

  1. Launch Key Chain Access applet
  2. Click on the Keychain Access menu
  3. Choose Preferences > Certificates
  4. Click on the OCSP drop down
  5. Choose Off
  6. Close the window and quit from the Keychain Access menu

Note that guests are expected to use their home institution's VPN to access email or any other resources not available via a web browser.