Ensure SSH Protocol is set to 2

中级别 1自动化cos

说明

Older versions of SSH support two different and incompatible protocols: SSH1 and SSH2. SSH1 was the original protocol and was subject to security issues. SSH2 is more advanced and secure. SSH v1 suffers from insecurities that do not affect SSH v2.

检查方式

审计方法: Shell 命令

shell

alt0() { command -v grep >/dev/null 2>&1 || { echo "step1: grep not installed"; return 1; }; o=$(bash -c 'grep ^Protocol /etc/ssh/sshd_config' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'Protocol 2' || { echo step1: missing 'Protocol 2'; return 1; }; }; if alt0; then echo compliant; fi

预期输出: compliant

修复方式

修复方法: 操作指南或基础设施补丁

Edit the /etc/ssh/sshd_config file to set the parameter as follows: Protocol 2

属性

操作系统: 任意
标签: container-optimized-oscosssh
参考: CIS Google Container-Optimized OS Benchmark v1.2.0 - 5.1.4 Ensure SSH Protocol is set to 2

检查本机

请在您有权审计的机器上运行此命令。扫描为只读操作。

shell

tmaegis scan --target cos