Ensure dns server services are not in use

中レベル 1自動linux

説明

The Domain Name System (DNS) is a hierarchical naming system that maps names to IP addresses for computers, services and other resources connected to a network.

チェック方法

監査方法: シェルコマンド

shell

alt0() { command -v rpm >/dev/null 2>&1 || { echo "step1: rpm not installed"; return 1; }; o=$(bash -c 'rpm -q bind' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'package bind is not installed' || { echo step1: missing 'package bind is not installed'; return 1; }; }; alt1() { command -v grep >/dev/null 2>&1 || { echo "step1: grep not installed"; return 1; }; command -v systemctl >/dev/null 2>&1 || { echo "step1: systemctl not installed"; return 1; }; o=$(bash -c 'systemctl is-enabled named.service 2>/dev/null | grep '"'"'enabled'"'"'' 2>/dev/null); [ -z "$o" ] || { echo "step1: $o" | head -c 300; return 1; }; command -v grep >/dev/null 2>&1 || { echo "step2: grep not installed"; return 1; }; command -v systemctl >/dev/null 2>&1 || { echo "step2: systemctl not installed"; return 1; }; o=$(bash -c 'systemctl is-active named.service 2>/dev/null | grep '"'"'^active'"'"'' 2>/dev/null); [ -z "$o" ] || { echo "step2: $o" | head -c 300; return 1; }; }; if alt0 || alt1; then echo compliant; fi

期待される出力: compliant

修正方法

修正方法: ガイダンスまたは IaC パッチ

Run the following commands to stop named.service and remove bind package: # systemctl stop named.service # dnf remove bind - OR - - IF - the bind package is required as a dependency: Run the following commands to stop and mask named.service: # systemctl stop named.service # systemctl mask named.service

プロパティ

オペレーティングシステム: rhel-10
タグ: cis-convertedlinux
参照: CIS Red Hat Enterprise Linux 10 Benchmark v1.0.1 - 2.1.5

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監査が許可されているマシンで実行してください。スキャンは読み取り専用です。

shell

tmaegis scan --target linux