Re: Mutual authentication managed by Squid

[Yuri Voinov <yvoinov@xxxxxxxxx>]

20.02.15 15:34, Ilya Karpov пишет:

I’m not sure that using transparent sslbump squid will understand how to use client certificate for mutual authentication.

As you configure it.

At least without transparent ssl bump it doesn’t.

Sure.

Did you try to use trspr-sslbump for client auth? How does squid pick right client certificate for certain host?

Client auth on HTTPS sites is not function of transparent proxy. And yes, we don't use client serts on our transparent proxy. We simple bypass this sites directly without bumping. Let's client's do it yourself. This is not our responsibility.

I see two ways to do that as you wish.

1. Add sites, required client-certs auth to exclude bump list. I.e., exclude proxy from chain.
2. Configure proxy to use client certs with sites requires it using ACL's.

Best regards,

Ilya Karpov

karpoftea@xxxxxxxxx

20 февр. 2015 г., в 12:24, Yuri Voinov <yvoinov@xxxxxxxxx> написал(а):

Transparent SSL Bump interception, eh?

20.02.15 15:14, Ilya Karpov пишет:

Hi guys,

can anyone suggest solution to make following scenario work using squid:

step1. 

Client(actually server application) calls HTTP://example.org squid via proxy.

 |

V 

step2. 

Proxy(Squid) understands that all calls to HTTP://example.org should be changed to HTTPS://example.org, trusts CA that uses example.org and knows client certificate to use for https client authentication

 |

V 

step3.

Origin(some server in internet) accepts https request, authenticates client, returns response

The main aim is to make client know nothing about https complexity (storing certificates/keys, knowing specific algorithms etc), and make squid manage this things.

Best regards,

Ilya Karpov

karpoftea@xxxxxxxxx

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