Is port 4506 (SaltStack Return) dangerous?

Port 4506 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 4506 be open on my firewall?

No, port 4506 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 4506 use?

Port 4506 (SaltStack Return) uses the TCP transport protocol and falls under the System & Infrastructure category.

:4506 (TCP)

SaltStack Return

Critical 风险

TCP — System & Infrastructure

端口概览

端口号 4506

服务名称 SaltStack Return

传输协议 TCP

类别 System & Infrastructure

安全风险 Critical

端口范围已注册 (1024-49151)

什么是端口 4506?

Port 4506 is used by SaltStack for the return channel, through which Salt minions send execution results back to the Salt master. Together with port 4505, it forms the two-way communication backbone of Salt infrastructure management. Both ports must be firewalled to prevent unauthorized access to the configuration management infrastructure.

TCP System & Infrastructure

安全注意事项

端口4506（SaltStack Return）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）。

SaltStack Return

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端口概览

什么是端口 4506?

安全注意事项

相关端口 — System & Infrastructure

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