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SomajitDey/ssl_passthrough.bash

Last active December 1, 2021 19:11
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SSL/TLS passthrough reverse proxy/load-balancer: read SNI in Client-Hello and redirect
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ssl_passthrough.bash
#!/usr/bin/env bash
# Get localtest.me for curl https://localtest.me
sudo nc -lk 443 | grep -Uzo --line-buffered '[0-9a-z\-\.]*test.me'
# To read length of client hello handshake - the first 4th and 5th byte - record layer
nc -l 8000 | (head -c3 >/dev/null; head -c2 | xxd -p) # for curl https://localtest.me:8000
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