Ensure dhcp server services are not in use

СредњаНиво 1Аутоматскаlinux

Опис

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.

Како се проверава

Метод провере: Команда љуске

shell

alt0() { command -v rpm >/dev/null 2>&1 || { echo "step1: rpm not installed"; return 1; }; o=$(bash -c 'rpm -q dhcp-server' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'package dhcp-server is not installed' || { echo step1: missing 'package dhcp-server is not installed'; return 1; }; }; alt1() { command -v grep >/dev/null 2>&1 || { echo "step1: grep not installed"; return 1; }; command -v systemctl >/dev/null 2>&1 || { echo "step1: systemctl not installed"; return 1; }; o=$(bash -c 'systemctl is-enabled dhcpd.service dhcpd6.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 dhcpd.service dhcpd6.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

Очекивани излаз: compliant

Како се исправља

Метод исправке: Смерница или закрпа инфраструктуре

Run the following commands to stop dhcpd.service and dhcpd6.service and remove dhcp-server package: # systemctl stop dhcpd.service dhcpd6.service # dnf remove dhcp-server - OR - - IF - the dhcp-server package is required as a dependency: Run the following commands to stop and mask dhcpd.service and dhcpd6.service: # systemctl stop dhcpd.service dhcpd6.service # systemctl mask dhcpd.service dhcpd6.service

Својства

Оперативни системи: almalinux-8
Ознаке: cis-convertedlinux
Референца: CIS AlmaLinux OS 8 Benchmark v4.0.0 - 2.1.4

Проверите овај рачунар

Покрените ово на рачунару за који имате дозволу за проверу. Скенирање ради у режиму само за читање.

shell

tmaegis scan --target linux