Post #98
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Видим Docker-proxy обходит наши правила
sudo ss -tlnp | grep 8191
docker-proxy слушает на 0.0.0.0:8191
Docker использует DNAT в собственных цепях
sudo iptables -t nat -L DOCKER
DNAT: 8191 -> 172.22.0.3:80
virbr0 (192.168.122.0/24)DOCKER-USER:# Заблокировать виртуалки от всех Docker контейнеров
sudo iptables -I DOCKER-USER 1 -s 192.168.122.0/24 -d 172.16.0.0/12 -j DROP
# Сделать постоянным (Ubuntu/Debian)
sudo iptables-save | sudo tee /etc/iptables/rules.v4
# ✅ Должно работать
curl google.com # Интернет
ssh user@vm # SSH к виртуалкам
# ❌ Должно блокироваться
curl 192.168.122.1:8191 # Docker сервисы



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Forwarded from Fox Fox
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