var options = ConfigurationOptions.Parse("localhost"); options.Password = "password"; ConnectionMultiplexer redisMultiplexer = ConnectionMultiplexer.Connect(options);
References
https://stackexchange.github.io/StackExchange.Redis/Basics
https://stackexchange.github.io/StackExchange.Redis/Configuration
https://stackoverflow.com/questions/23923247/password-for-redis-with-stackexchange-redis