TCP Port Check

TCP Port Check

TCP Port Check validates connectivity to a specific TCP port on a target host within a given timeout.

Usage with Binary

./wait4it -type=tcp -h=127.0.0.1 -p=8080 -t=60

Usage with Docker

docker run ph4r5h4d/wait4it -type=tcp -h=127.0.0.1 -p=8080 -t=60

Environment Variables

Variable	Description	Default
W4IT_TYPE	The type of check (set to `tcp`).	-
W4IT_TIMEOUT	Timeout in seconds.	30
W4IT_HOST	The host to check.	127.0.0.1
W4IT_PORT	The TCP port to check.	-

Command-Line Arguments

Argument	Description	Default
-type	The type of check (set to `tcp`).	-
-t	Timeout in seconds.	30
-h	The host to check.	127.0.0.1
-p	The TCP port to check.	-

Notes

Environment variables override command-line arguments.
Ensure the target host and port are reachable within the timeout period.

Exit Codes

Code	Meaning
0	Connection successful.
1	Timed out.
2	Validation error or incorrect input.