EN

Port 11211 — Memcached

TCP/UDP · Memcached is a high-performance, distributed memory object caching system used to speed up dynamic web applications by alleviating database load. It is often used in conjunction with web frameworks and databases to improve application performance and scalability.

Port Number
11211
Service Name
Memcached
Protocol
TCP/UDP
Common Software
memcached

Security Notes

Review IANA registry for port 11211 usage. Apply principle of least privilege - only open ports that are required.

FAQ

What is port 11211 used for?

Port 11211 is used for Memcached. Memcached is a high-performance, distributed memory object caching system used to speed up dynamic web applications by alleviating database load. It is often used in conjunction with web frameworks and databases to improve application performance and scalability. Common software: memcached.

Is port 11211 dangerous to leave open?

Review IANA registry for port 11211 usage. Apply principle of least privilege - only open ports that are required.

How do I check if port 11211 is open?

Use nmap: nmap -p 11211 <target> or check locally: ss -tlnp | rg 11211