Technical Tips and Troubleshooting
Are you using the MIT GUEST wifi network on campus? Don’t use that network, its internet access is very limited. Remove MIT GUEST from your laptop’s list of approved networks, and use MIT SECURE instead.
Try using your Kerberos password instead of a browser certificate. If the password works and the certificate does not, you probably need fresh certificates.
Are you using Windows with an antivirus checker turned on?
Sometimes antivirus interferes with SSL connections and causes
SSL_PROTOCOL_ERROR in every browser.
Try turning off your antivirus checking temporarily to see if it fixes the problem.
If so, then look for a way to add the web server to the “allowed” list in your antivirus configuration.
If all else fails, please post privately on Piazza and include the URL you tried to visit, whether you were able to log in with 2-factor authentication, and any error information.
For TypeScript Tutor: use Report a Problem in the bottom corner of the interface.
For Constellation: send email to
maxg (yes, just this once you may ignore the no email rule).
Attach the entire error report if one was shown.
If not, please include usernames, filenames, and the date and time.
When I see the name of a variable or method or class in VS Code, how can I jump straight to its definition?
Command-click (Mac) or
Control-click (Windows & Linux) on the name to jump to its definition.
Right-clicking and choosing Go to Definition does the same thing.
Use Edit → Toggle Line Comment to quickly toggle on or off some lines of code.
The keyboard shortcut is