[squid-users] AIA fetching in squid

Dieter Bloms squid at bloms.de
Wed Feb 6 10:56:47 UTC 2019


Hello,

On Wed, Feb 06, Yann Girardin wrote:

> I am using ssl bump and it's work fine a lot of SSL sites, but some of
> those are misconfigured and squid won't succeed to get the correct
> certificate, and give me the following error :
> SEC_ERROR_UNKNOWN_ISSUER
> 
> Looking on the internet I understand that this is a SSL server
> misconfiguration, but I know that some browser like safari, and chrome
> are implementing the AIA fetching to get the missing certificates
> using the information store in the authority information access of the
> certificate.
> 
> Is there a way to activate this AIA fetching in squid or do i have to
> implement it myself using a helper with the sslcrtvalidator_program ?

I've added these few lines:

--snip--
acl fetch_intermediate_certificate transaction_initiator certificate-fetching
http_access allow fetch_intermediate_certificate
cache allow fetch_intermediate_certificate
cache deny all
--snip--


-- 
Regards

  Dieter

--
I do not get viruses because I do not use MS software.
If you use Outlook then please do not put my email address in your
address-book so that WHEN you get a virus it won't use my address in the
>From field.


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