Ensure SSH Protocol is set to 2

中等級 1自動化linux

說明

SSH supports 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.

檢查方式

稽核方法: Shell 指令

shell

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

預期輸出: compliant

修補方式

修補方法: 操作指南或基礎設施修補檔

Edit the /etc/ssh/sshd_config file to set the parameter as follows: Protocol 2 Restart sshd : systemctl restart sshd

屬性

作業系統: alinux-2
標籤: cis-convertedlinux
參考資料: CIS Aliyun Linux 2 Benchmark v1.0.0 ARCHIVE - 5.2.2

檢查此主機

請在您有權稽核的機器上執行此指令。掃描為唯讀操作。

shell

tmaegis scan --target linux