dictionary, or a list of modules and/or dicts. See UI modules for more details. websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: cookie_secret: Used by RequestHandler.get_secure_cookie and set_secure_cookie to sign cookies. key_version: Used

dictionary, or a list of modules and/or dicts. See UI modules for more details. websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: cookie_secret: Used by RequestHandler.get_secure_cookie and set_secure_cookie to sign cookies. key_version: Used

dictionary, or a list of modules and/or dicts. See UI modules for more details. • websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: 54 Chapter 6. DocumentationTornado Documentation, Release 6.5.1 • cookie_secret: Used by RequestHandler.get_signed_cookie

dictionary, or a list of modules and/or dicts. See UI modules for more details. • websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: • cookie_secret: Used by RequestHandler.get_secure_cookie and set_secure_cookie to sign cookies. • key_version:

dictionary, or a list of modules and/or dicts. See UI modules for more details. websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: cookie_secret: Used by RequestHandler.get_signed_cookie and set_signed_cookie to sign cookies. key_version: Used

dictionary, or a list of modules and/or dicts. See UI modules for more details. • websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: • cookie_secret: Used by RequestHandler.get_signed_cookie and set_signed_cookie to sign cookies. • key_version:

dictionary, or a list of modules and/or dicts. See UI modules for more details. • websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: • cookie_secret: Used by RequestHandler.get_signed_cookie and set_signed_cookie to sign cookies. • key_version:

dictionary, or a list of modules and/or dicts. See UI modules for more details. • websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: • cookie_secret: Used by RequestHandler.get_signed_cookie and set_signed_cookie to sign cookies. • key_version:

dictionary, or a list of modules and/or dicts. See UI modules for more details. • websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: • cookie_secret: Used by RequestHandler.get_secure_cookie and set_secure_cookie to sign cookies. • key_version:

dictionary, or a list of modules and/or dicts. See UI modules for more details. • websocket_ping_interval: If set to a number, all websockets will be pinged every n seconds. This can help keep the connection websocket_ping_timeout: If the ping interval is set, and the server doesn’t receive a ‘pong’ in this many seconds, it will close the websocket. The default is three times the ping interval, with a minimum of 30 seconds seconds. Ignored if the ping interval is not set. Authentication and security settings: • cookie_secret: Used by RequestHandler.get_secure_cookie and set_secure_cookie to sign cookies. • key_version: