Is port 2222 (Alternate SSH / DirectAdmin) dangerous?

Port 2222 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 2222 be open on my firewall?

Port 2222 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 2222 use?

Port 2222 (Alternate SSH / DirectAdmin) uses the TCP transport protocol and falls under the Remote Access category.

:2222 (TCP)

Alternate SSH / DirectAdmin

Medium 风险

TCP — Remote Access

端口概览

端口号 2222

服务名称 Alternate SSH / DirectAdmin

传输协议 TCP

类别 Remote Access

安全风险 Medium

端口范围已注册 (1024-49151)

什么是端口 2222?

Port 2222 is commonly used as an alternate SSH port to reduce automated brute-force attacks targeting the default port 22. DirectAdmin, a web hosting control panel, also uses this port for SSH access. Moving SSH to a non-standard port adds minimal security but reduces noise in server logs from automated scanners.

TCP Remote Access 常用

安全注意事项

端口2222（Alternate SSH / DirectAdmin）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。

Alternate SSH / DirectAdmin

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端口概览

什么是端口 2222?

安全注意事项

相关端口 — Remote Access

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