Port 3306MySQL
MySQL is one of the most popular open-source relational database management systems (RDBMS), widely used for web applications, data warehousing, and embedded database solutions. It enables storage, retrieval, and management of structured data, supporting multiple users concurrently with strong performance and reliability..
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 13,613
2 transports registered
payload readable on path
registered with iana
caution
rank 263 of 993 · top 26%
Technical Details
what runs on :3306Overview: MySQL is an open-source relational database server that uses SQL (Structured Query Language) for accessing and managing data. It's known for speed, reliability, and ease of use, making it a backbone of many web service architectures, especially those using the LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack.
Communication: Port 3306 is MySQL's default TCP endpoint for client-server communication. Both TCP and UDP communication can be enabled, though TCP is primarily used for database queries and transactions, while UDP may be leveraged by specific services or monitoring.
Deployment: MySQL can run on physical servers, virtual machines, or cloud environments, supporting replication, clustering, and advanced data management features. It supports various storage engines, such as InnoDB and MyISAM, allowing flexibility depending on data integrity and performance requirements.
Security Information
exposure of :3306risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
databases averages 4.0 across 58 ports — this one sits level with it.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
official
registered with iana for this service — scanners fingerprint it by number
reachable over
tcp · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
Common Vulnerabilities:
- Weak authentication configurations or default credentials, leading to unauthorized access
- Exposure of port 3306 to the internet, increasing risk of brute-force attacks
- SQL injection vulnerabilities through poorly sanitized user input in applications
- Buffer overflows and privilege escalation due to unpatched database server bugs
- Lack of encryption resulting in data interception or MITM attacks
Common Mitigations:
- Restrict access to port 3306 via firewalls and network segmentation
- Enforce strong, unique credentials and enable multi-factor authentication where possible
- Regularly update and patch MySQL server and client software
- Use SSL/TLS encryption for client-server connections
- Sanitize user input thoroughly to prevent SQL injection
- Employ role-based access control to limit privileges according to the principle of least privilege
Related Ports
the 8 most looked-up other ports in databases — 58 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8882 | Atlasz Secure App Server | TCP | Web Services | caution | 66.9k |
| :9001 | ETL Service Manager | TCPUDP | Databases | caution | 28.6k |
| :2484 | Oracle SSL Listener | TCPUDPtls | Security | caution | 25.0k |
| :5495 | Applix TM1 Admin | TCP | Databases | caution | 24.8k |
| :591 | FileMaker Web Sharing | TCP | Web Services | caution | 23.1k |
| :1521 | Oracle TNS Listener | TCP | Security | caution | 19.6k |
| :21001 | AMLFilter Admin | TCP | Security | caution | 19.2k |
| :18206 | Audition FAM DB | TCPUDP | Databases | caution | 19.1k |
risk mix of the 8 listed
- caution100%
1 of 8 encrypted