1FROM debian:bookworm-slim 2RUN apt-get update && apt-get install -y --no-install-recommends \ 3 curl \ 4 dnsutils \ 5 iptables \ 6 jq \ 7 nghttp2 \ 8 tcpdump \ 9 iproute2 \ 10 lsof \ 11 conntrack \ 12 tshark && \ 13 rm -rf /var/lib/apt/lists/* 14 15# We still rely on old iptables-legacy syntax. 16RUN update-alternatives --set iptables /usr/sbin/iptables-legacy \ 17 && update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy 18 19ENTRYPOINT [ "tshark", "-i", "any" ]