Appendix B: Example Server Pluggable Transport Session

Environment variables:

TOR_PT_MANAGED_TRANSPORT_VER=1 TOR_PT_STATE_LOCATION=/var/lib/tor/pt_state TOR_PT_EXIT_ON_STDIN_CLOSE=1 TOR_PT_SERVER_TRANSPORTS=obfs3,obfs4 TOR_PT_SERVER_BINDADDR=obfs3-198.51.100.1:1984

Messages the PT Proxy writes to stdin:

VERSION 1 SMETHOD obfs3 198.51.100.1:1984 SMETHOD obfs4 198.51.100.1:43734 ARGS:cert=HszPy3vWfjsESCEOo9ZBkRv6zQ/1mGHzc8arF0y2SpwFr3WhsMu8rK0zyaoyERfbz3ddFw,iat-mode=0 SMETHODS DONE