Michael Benis
CISO, CISSP, CISM, AWS Certified Solutions Architect - Professional, DevSecOps Engineer, Fortinet NSE7, VMware Certified Professional, CCNP Security, Check Point CCSE, CCSK
Published Jun 7, 2023
Dynamic or Private Ports, also known as ephemeral ports, refer to a range of port numbers from 49152 to 65535 in the Internet Assigned Numbers Authority (IANA) port number range. These ports are used for dynamic allocation by client applications or services when establishing network connections.
When a client requests a service associated with well-known or registered ports (typically used by server applications), the server may respond by using a dynamic port from the private port range. This allows for multiple simultaneous connections without conflicts or port exhaustion.
Dynamic or private ports key points:
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Understanding dynamic or private ports is essential for network administrators, developers, and anyone involved in configuring network connectivity. By utilizing dynamic ports, client applications can establish multiple connections to server applications efficiently and avoid conflicts, contributing to seamless and scalable network communication.
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