Port 8211 is a TCP port commonly used by the Apache Cassandra database server. It is used for inter-node communication within a Cassandra cluster. To check if port 8211 is open on a server, you can use the following steps:
Telnet is a simple network diagnostic tool that can be used to test if a TCP port is open on a server. To use Telnet, open a terminal window or command prompt and type the following command:
