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=60Usage with Docker
docker run ph4r5h4d/wait4it -type=tcp -h=127.0.0.1 -p=8080 -t=60Environment 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. |