Port 1813 is used for RADIUS accounting protocol. RADIUS (Remote Authentication Dial-In User Service) is a networking protocol that provides centralized authentication, authorization, and accounting (AAA) management for users who connect and use a network service. Port 1813 is specifically used for sending accounting information from a RADIUS client to a RADIUS server for billing and auditing purposes.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 1813 |
tcp |
radius-acct |
RADIUS Accounting |
REGISTERED PORT |
Port 1813 |
udp |
radius-acct |
RADIUS Accounting |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |