Is port 6556 (Check MK Agent) dangerous?

Port 6556 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 6556 be open on my firewall?

Port 6556 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 6556 use?

Port 6556 (Check MK Agent) uses the TCP transport protocol and falls under the System & Infrastructure category.

:6556 (TCP)

Check MK Agent

Medium 风险

TCP — System & Infrastructure

端口概览

端口号 6556

服务名称 Check MK Agent

传输协议 TCP

类别 System & Infrastructure

安全风险 Medium

端口范围已注册 (1024-49151)

什么是端口 6556?

Port 6556 is used by the Check MK (Checkmk) monitoring agent installed on servers being monitored. The Checkmk monitoring system connects to this port to collect metrics and health data from monitored hosts. This port should be restricted to access only from the monitoring server IP address.

TCP System & Infrastructure

安全注意事项

端口6556（Check MK Agent）被归类为中等风险。虽然此服务通常会暴露，但请在可用时考虑使用加密替代方案。

建议：保持服务更新。监控日志以发现异常活动。

Check MK Agent

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端口概览

什么是端口 6556?

安全注意事项

相关端口 — System & Infrastructure

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