SSL Forward Proxy

2022-06-17

This diagram shows how a MITM (man-in-the-middle) firewall works as a SSL forward proxy.

Client
[Not supported by viewer]
Server
[Not supported by viewer]
Firewall
[Not supported by viewer]
Client initiate SSL request with a Server 
[Not supported by viewer]
1
[Not supported by viewer]
2
[Not supported by viewer]
Firewall intercepts Client's SSL request
[Not supported by viewer]
3
[Not supported by viewer]
Firewall initiates SSL request with the Server
[Not supported by viewer]
4
[Not supported by viewer]
Server sends back a signed certificated to the Client
[Not supported by viewer]
5
[Not supported by viewer]
Firewall signs a copy of server certificate and sends to the Client
[Not supported by viewer]
6
[Not supported by viewer]
Client verifies the certificate
[Not supported by viewer]
SSL tunnel established
[Not supported by viewer]
7
[Not supported by viewer]