[squid-users] Trying to set up SSL cache

Alex Rousskov rousskov at measurement-factory.com
Fri Feb 25 16:28:58 UTC 2022


On 2/25/22 06:16, Amos Jeffries wrote:
> On 24/02/22 15:26, Dave Blanchard wrote:

>> ssl_bump peek all
> 
> Okay TLS handshake clientHello gets observed by Squid.

... and TLS ServerHello. The "all" ACL will match during SslBump step1 
_and_ step2


>> ssl_bump bump all
> 
> ... now (step3) everything gets decrypted.

No, the above ssl_bump configuration line has no effect. In modern 
environments, one cannot bump after peeking at the server.


Squid bugs notwithstanding, the configuration in question is equivalent to:

   ssl_bump peek step1
   ssl_bump peek step2
   ssl_bump splice step3

No HTTP caching is possible for HTTPS transactions with this (or any 
other splicing) configuration, of course.

Alex.


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