2 posts with tag #SNI

Sequence diagram: tls-proxy-tunnel relaying an HTTP CONNECT through an upstream proxy to open a tunnel, after which the client completes a TLS handshake directly with the destination server

tls-proxy-tunnel: Transparent TLS Tunnelling Through Corporate HTTP Proxies

How tls-proxy-tunnel (tpt) uses SNI peeking to tunnel TLS connections through corporate HTTP CONNECT proxies without ever terminating TLS — layer 4, zero config on the client side.

tls-proxy-tunnel: Transparent TLS Tunnelling Through Corporate HTTP Proxies
Diagram: HAProxy routing TCP connections from client devices based on TLS SNI to different backends, rejecting non-TLS connections

How does SNI Routing work in HAProxy

Learn how HAProxy container uses TLS Server Name Indication (SNI) to route encrypted TCP connections without decrypting them — enabling multiple services like Nextcloud and XMPP to share port 443.

How does SNI Routing work in HAProxy