Ensure Userland Proxy is Disabled

NiskaNivo 1Automatskadocker

Opis

The userland proxy (docker-proxy) adds attack surface; hairpin NAT through iptables is preferred. Compliant when userland-proxy is set to false. The audit reads the running dockerd command line (ps) together with /etc/docker/daemon.json.

Kako se proverava

Metod provere: Komanda ljuske

shell

args=$(ps -eo args 2>/dev/null) || exit 1; s=$(printf '%s\n' "$args" | grep '[d]ockerd'; cat /etc/docker/daemon.json 2>/dev/null); printf '%s\n' "$s" | grep -Eq -e '--userland-proxy[= ]+false|"userland-proxy"[[:space:]]*:[[:space:]]*false' && echo compliant || echo missing

Očekivani izlaz: compliant

Kako se ispravlja

Metod ispravke: Smernica ili zakrpa infrastrukture

Set "userland-proxy": false in /etc/docker/daemon.json and restart the Docker daemon.

Svojstva

Operativni sistemi: Bilo koji
Oznake: dockerdaemonnetwork
Referenca: CIS Docker Benchmark v1.9.0 - 2.17 Ensure Userland Proxy is Disabled

Proverite ovaj računar

Pokrenite ovo na računaru za koji imate dozvolu za proveru. Skeniranje radi u režimu samo za čitanje.

shell

tmaegis scan --target docker