Ensure dhcp server services are not in use

中レベル 1自動linux

説明

The Dynamic Host Configuration Protocol (DHCP) is a service that allows machines to be dynamically assigned IP addresses. There are two versions of the DHCP protocol DHCPv4 and DHCPv6. At startup the server may be started for one or the other via the -4 or -6 arguments.

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=$(bash -c 'rpm -q kea' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'package kea is not installed' || { echo step1: missing 'package kea is not installed'; return 1; }; }; alt1() { o=$(bash -c 'systemctl show kea-dhcp-ddns.service kea-dhcp4.service kea-dhcp6.service -p UnitFileState,ActiveState | grep -Pi '"'"'=(enabled|active)'"'"'' 2>/dev/null); [ -z "$o" ] || { echo "step1: $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 kea-dhcp-ddns.service, kea-dhcp4.service, and kea-dhcp6.service and remove the kea package: # systemctl stop kea-dhcp-ddns.service kea-dhcp4.service kea-dhcp6.service # dnf remove kea - OR - - IF - the kea package is required as a dependency: Run the following commands to stop and mask kea-dhcp-ddns.service, kea- dhcp4.service, and kea-dhcp6.service: # systemctl stop kea-dhcp-ddns.service kea-dhcp4.service kea-dhcp6.service # systemctl mask kea-dhcp-ddns.service kea-dhcp4.service kea-dhcp6.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 - 2.1.4

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shell

tmaegis scan --target linux