Ensure rsyslog log file creation mode is configured

SedangLevel 1Otomatislinux

Deskripsi

rsyslog will create logfiles that do not already exist on the system. The global() configuration object umask, available in rsyslog 8.26.0+, sets the rsyslogd process’ umask. If not specified, the system-provided default is used. The value given must always be a 4-digit octal number, with the initial digit being zero. The legacy $umask parameter sets the rsyslogd process' umask. If not specified, the system-provided default is used. The value given must always be a 4-digit octal number, with the initial digit being zero. The legacy $FileCreateMode parameter allows the setting of the mode with

Cara pemeriksaan

Metode audit: Perintah shell

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

Output yang diharapkan: compliant

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

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

Properti

Sistem operasi: alinux-3
Tag: cis-convertedlinux
Referensi: CIS Alibaba Cloud Linux 3 Benchmark v2.0.0 - 6.2.2.4

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shell

tmaegis scan --target linux