Ensure Avahi Server is not enabled

보통레벨 1자동ros

설명

Avahi is a free zeroconf implementation, including a system for multicast DNS/DNS-SD service discovery. Avahi allows programs to publish and discover services and hosts running on a local network with no specific configuration. The audit requires the Avahi unit(s) avahi-daemon not to be enabled or active (systemctl). Host-level control from the CIS ROS Melodic benchmark (Ubuntu 18.04 robot hosts); run as root.

점검 방법

감사 방식: 셸 명령

shell

command -v systemctl >/dev/null 2>&1 || exit 1
bad=0
for u in avahi-daemon; do
  s=$(systemctl is-enabled "$u" 2>/dev/null)
  case "$s" in enabled|enabled-runtime|alias|indirect) echo "$u is $s"; bad=1 ;; esac
  systemctl is-active --quiet "$u" 2>/dev/null && { echo "$u is active"; bad=1; }
done
[ "$bad" -eq 0 ] && echo compliant

예상 출력: compliant

조치 방법

조치 방식: 가이드 또는 인프라 패치

Run the following command to disable avahi-daemon: # systemctl --now disable avahi-daemon

속성

운영 체제: 모두
태그: rosros1melodicservices
참고 자료: CIS ROS Melodic Benchmark v1.0.0 - 2.2.3 Ensure Avahi Server is not enabled

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shell

tmaegis scan --target ros