What the check covers
Attempts a TCP connection to a public host and an allowed diagnostic port.
Network
Check an open TCP port online
Check whether an allowed TCP port is reachable on a public host.
How to read the result
An open port confirms a connection from NexIP, not correct application behavior.
Limitations
Use one input in host:port format. Private networks and unsafe ports are blocked.
Example
A target you can check
example.com:443Use your own public address to get a result relevant to your configuration.
Privacy
What is processed
The check processes the submitted public target on the NexIP server. Do not submit secrets, tokens or private addresses.
Privacy policyWhen to use it
Before launch and during incidents
Run the check after a configuration change, when diagnosing an outage, or before publishing a new service.
NexIP diagnostic hub
Continue diagnostics
Open the complete topic hub with related checks, guides and reference materials.
Open diagnostic hubQuestions about this check
Можно ли запускать инструмент через API?
Да, инструмент доступен через POST /api/v1/tools/port-check при включённом API.
Сохраняется ли история проверки?
Да, если история инструментов включена в настройках NexIP CMS.
Можно ли поделиться результатом?
Да, после проверки можно создать публичную ссылку на сохранённый результат.
Need recurring checks and incident history?
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