/man_in_the_middle

Man man in the middle stunnel setup.

create cert for stunnel

openssl req -batch -new -x509 -days 365 -nodes -out mitm.pem -keyout mitm.pem

create config

cat <<EOF >> stunnel.conf
foreground = yes
debug = info
output = stunnel.log
[server]
client = no
cert= ./mitm.pem
accept = source:443
connect = 127.0.0.1:31337

[client]
client = yes
accept = 127.0.0.1:31337
connect = <TARGET>:443
EOF

run stunnel

yum install stunnel
stunnel stunnel.conf

capture traffic

tcpdump -i lo port 31337 -s 0 -w /tmp/mitm.pcap

# this might be useful as well
docker run andboson/http-cli-echo-logger