Information
One class of man-in-the-middle, or session hijacking, attack involves the adversary guessing at valid session identifiers based on patterns in identifiers already known.
The preferred technique for thwarting guesses at Session IDs is the generation of unique session identifiers using a FIPS 140-2 or 140-3 approved random number generator.
However, it is recognized that available DBMS products do not all implement the preferred technique yet may have other protections against session hijacking. Therefore, other techniques are acceptable, provided they are demonstrated to be effective.
Solution
Edit the MongoDB configuration file to ensure the "net.tls.mode" option is included and set to the value "requireTLS" as shown below:
net:
tls:
mode: requireTLS
Restart the MongoDB service from the OS
$ sudo systemctl restart mongod
Further documentation is here:
https://www.mongodb.com/docs/v7.0/tutorial/configure-ssl/