Azure Container Linux
TMA-AZURE-CONTAINER-LINUX-3.1.1
Ensure dccp kernel module is not available
Описание
The Datagram Congestion Control Protocol (DCCP) is a transport layer protocol that supports streaming media and telephony. DCCP provides a way to gain access to congestion control, without having to do it at the application layer, but does not provide in-sequence delivery.
Как проверяется
Метод проверки: Команда оболочки
m=dccp; found=$(find /lib/modules/$(uname -r)/kernel /usr/lib/modules/$(uname -r)/kernel -path "*/dccp*" 2>/dev/null | head -n1); if [ -z "$found" ]; then echo compliant; exit 0; fi; lsmod | awk '{print $1}' | grep -Fxq -- "${m//-/_}" && { echo "$m is loaded"; exit 0; }; cfg=$(modprobe --showconfig 2>/dev/null); printf '%s\n' "$cfg" | grep -Pq -- "^\h*blacklist\h+${m//-/_}\b" || { echo "$m is not blacklisted"; exit 0; }; printf '%s\n' "$cfg" | grep -Pq -- "^\h*install\h+${m//-/_}\h+(/usr)?/bin/(true|false)\b" || { echo "$m install is not disabled"; exit 0; }; echo compliant- Ожидаемый вывод
compliant
Как исправляется
Метод исправления: Рекомендация или патч инфраструктуры
Run the following to unload and disable the dccp kernel module. This can also be done by running the script included below. Run the following commands to unload the dccp kernel module: # modprobe -r dccp 2>/dev/null # rmmod dccp 2>/dev/null Perform the following to disable the dccp kernel module: Create a file ending in .conf with install dccp /bin/false in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "install dccp /bin/false" >> /etc/modprobe.d/dccp.conf Create a file ending in .conf with blacklist dccp in the /etc/modprobe.d/ directory Example: # printf '\n%s\n' "blacklist dccp" >> /etc/modprobe.d/dccp.conf
Свойства
- Операционные системы
- Любая
- Теги
- azure-container-linuxcis-convertedkernelmodules
- Источник
- CIS Azure Container Linux Benchmark v1.0.0 - 3.1.1 Ensure dccp kernel module is not available
Проверить этот хост
Выполните команду на компьютере, аудит которого вам разрешён. Сканирование работает только на чтение.
tmaegis scan --target azure-container-linux --level 2