Command line echo server and client for Windows, designed according to RFC 862 specification for Echo protocol.
C#
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README.md

EchoTool - Echo client and server

Command line echo server and client for Windows. This tool is designed according to RFC 862 specification for Echo protocol. It can operate as a echo server that sends back every incoming data. In client mode, it sends data to the server and checks whether they came back. This is a useful debugging tool for application development or network throughput checks. Application is written in C# and source codes is provided.

  • Server mode
  • Client mode
  • TCP and UDP protocol support
  • Selectable destination and source port
  • Selectable timeout
  • Selectable echo pattern
  • Just one file

For server mode listening on UDP port 4578 run following command

C:\EchoTool> echotool /p udp /s 4578

On client machine run this

C:\EchoTool> echotool server.to-test.com /p udp /r 4578

You can specify outgoing local port by /l switch

C:\EchoTool> echotool server.to-test.com /p udp /r 4578 /l 8976

Number of attempts and timeouts can be set by /n and /t switch

C:\EchoTool> echotool server.to-test.com /p udp /r 4578 /l 8976 /n 100 /t 10

Use your own echo pattern with /d switch

C:\EchoTool> echotool server.to-test.com /p udp /r 4578 /d Hello

Echo server mode server mode image

Echo client mode client mode image

Download

Stand alone executable releases/download/v1.5.0.0/echotool.exe [30 Kb]