Echo
What is Echo?
Echo is a fundamental command which is frequently used in scripts or batch-files, or as part of individual commands anywhere you need to output text.
Description
Echo service will simply return the input.
Syntax
[service.<nickname_of_echoService>]
type="echo"Arguments in config file
There are no arguments in Echo service.
Example
[service.echo01]
type="echo"
[[port]]
port="udp/5555"
services=["echo01"]How to test
echo "hello DTACT" | nc -u [IP_ADDRESS] 5555The test explained
We echo a teststring and send it to netcat in UDP mode with the target’s [IP_ADDRESS] and port 5555 which is the echo port.
The result
hello DTACTAvailability
| Linux | MacOS | | —– | ———————————— | ———————————— | | echo | yes | yes |