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 ## Transport-layer defenses
 
 - [Certbot](https://certbot.eff.org/) - Free tool to automate the issuance and renewal of TLS certificates from the [LetsEncrypt Root CA](https://letsencrypt.org/) with plugins that configure various Web and e-mail server software.
+- [MITMEngine](https://github.com/cloudflare/mitmengine) - Golang library for server-side detection of TLS interception events.
 - [OpenVPN](https://openvpn.net/) - Open source, SSL/TLS-based virtual private network (VPN).
 - [Tor](https://torproject.org/) - Censorship circumvention and anonymizing overlay network providing distributed, cryptographically verified name services (`.onion` domains) to enhance publisher privacy and service availability.