ip6tables-save
This command is an alias of iptables-save for the IPv6 firewall.
RUN apt-get update && \
apt-get install -y iptables
RUN apt-get update && \
apt-get install -y iptables
RUN apk add iptables
RUN pacman -S --noconfirm iptables
RUN apt-get update && \
apt-get install -y iptables
RUN yum install -y iptables
RUN dnf install -y iptables
RUN apt-get update && \
apt-get install -y iptables