Ensure rsyslog log file creation mode is configured

보통레벨 1자동linux

설명

rsyslog will create logfiles that do not already exist on the system. The $FileCreateMode parameter allows you to specify the creation mode with which rsyslog creates new files. If not specified, the value 0644 is used (which retains backward-compatibility with earlier releases). The value given must always be a 4-digit octal number, with the initial digit being zero. Please note that the actual permission depend on rsyslogd’s process umask. $FileCreateMode may be specified multiple times. If so, it specifies the creation mode for all selector lines that follow until the next $FileCreateMode p

점검 방법

감사 방식: 셸 명령

shell

alt0() { command -v grep >/dev/null 2>&1 || { echo "step1: grep not installed"; return 1; }; o=$(bash -c 'grep -Ps '"'"'^\h*\$FileCreateMode\h+0[0,2,4,6][0,2,4]0\b'"'"' /etc/rsyslog.conf /etc/rsyslog.d/*.conf' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- '$FileCreateMode 0640' || { echo step1: missing '$FileCreateMode 0640'; return 1; }; }; if alt0; then echo compliant; fi

예상 출력: compliant

조치 방법

조치 방식: 가이드 또는 인프라 패치

Edit either /etc/rsyslog.conf or a dedicated .conf file in /etc/rsyslog.d/ and set $FileCreateMode to 0640 or more restrictive: $FileCreateMode 0640 Restart the service: # systemctl restart rsyslog

속성

운영 체제: rhel-10
태그: cis-convertedlinux
참고 자료: CIS Red Hat Enterprise Linux 10 Benchmark v1.0.1 - 6.2.3.4

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