Port Monitor
Check whether a specific TCP or UDP port is open and accepting connections.
How it works
UptimeGuard attempts to establish a TCP (or UDP) connection to the specified host and port. The check passes if the connection is accepted within the timeout period.
Configuration
| Setting | Description |
|---|---|
| Hostname / IP | The target host. |
| Port | The port number to check (e.g. 3306 for MySQL, 6379 for Redis). |
| Protocol | TCP (default) or UDP. |
| Timeout | Max connection wait time in seconds. |
Common ports
| Service | Port |
|---|---|
| SSH | 22 |
| SMTP | 25 / 587 |
| MySQL | 3306 |
| PostgreSQL | 5432 |
| Redis | 6379 |
| MongoDB | 27017 |