Ident protocol
| Communication protocol | |
| Purpose | Identification | 
|---|---|
| Developer(s) | Michael C. St. Johns at US Department of Defense | 
| Introduction | February 1993 | 
| Based on | RFC 931 | 
| OSI layer | Application layer (Layer 7) | 
| Port(s) | TCP/113 | 
| RFC(s) | RFC 1413 | 
| Internet protocol suite | 
|---|
| Application layer | 
| Transport layer | 
| Internet layer | 
| Link layer | 
The Ident Protocol (Identification Protocol, Ident), specified in RFC 1413, is an Internet protocol that helps identify the user of a particular TCP connection. One popular daemon program for providing the ident service is identd.