EN

Port 27018 — MongoDB Shard

TCP · Port 27018/TCP is used for MongoDB Shard communication, enabling the distribution of data across multiple nodes. This allows for improved scalability and high availability in large-scale MongoDB deployments. Security relevance lies in ensuring secure connections between shard nodes to prevent unauthorized access or data tampering.

Port Number
27018
Service Name
MongoDB Shard
Protocol
TCP
Common Software
mongod --shardsvr

Security Notes

Review IANA registry for port 27018 usage. Apply principle of least privilege - only open ports that are required.

FAQ

What is port 27018 used for?

Port 27018 is used for MongoDB Shard. Port 27018/TCP is used for MongoDB Shard communication, enabling the distribution of data across multiple nodes. This allows for improved scalability and high availability in large-scale MongoDB deployments. Security relevance lies in ensuring secure connections between shard nodes to prevent unauthorized access or data tampering. Common software: mongod --shardsvr.

Is port 27018 dangerous to leave open?

Review IANA registry for port 27018 usage. Apply principle of least privilege - only open ports that are required.

How do I check if port 27018 is open?

Use nmap: nmap -p 27018 <target> or check locally: ss -tlnp | rg 27018