Is port 2379 (etcd Client) dangerous?

Port 2379 is classified as critical risk and should not be exposed to the public internet. It transmits data without encryption, making it vulnerable to eavesdropping and credential theft.

Should port 2379 be open on my firewall?

No, port 2379 should not be open to the public internet. Block it at the firewall and use encrypted alternatives such as SSH, SFTP, or HTTPS instead.

What transport protocol does port 2379 use?

Port 2379 (etcd Client) uses the TCP transport protocol and falls under the Database category.

:2379 (TCP)

etcd Client

Critical 风险

TCP — Database

端口概览

端口号 2379

服务名称 etcd Client

传输协议 TCP

类别 Database

安全风险 Critical

端口范围已注册 (1024-49151)

什么是端口 2379?

Port 2379 is the client communication port for etcd, the distributed key-value store used by Kubernetes for cluster state storage. Kubernetes API servers and clients use this port to read and write cluster configuration and state data. Exposed etcd instances can allow complete Kubernetes cluster compromise.

TCP Database 常用

安全注意事项

端口2379（etcd Client）被归类为严重风险。此端口不应暴露在公网上。该服务在未加密的情况下传输数据，容易受到窃听、凭据窃取和中间人攻击。

建议：在防火墙处封锁此端口。改用加密替代方案（SSH、SFTP、HTTPS）。

etcd Client

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端口概览

什么是端口 2379?

安全注意事项

相关端口 — Database

相关术语