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Re: Questions Regarding Transparent Proxy, HTTPS, and ssl_bump

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Never mind, Tom. I have own cockroaches in my head. Just only for content filtering, I would not put a caching proxy. Once that's it.

24.06.15 22:22, Tom Mowbray пишет:
> Yuri,
>
> The proxy is being used as a content filter, i.e. domain and URL
> whitelisting and blacklisting.
>
> I guess my real question is simply regarding how this traffic is processed
> in regards to where I've defined options in my squid.conf?
>
> Also, why does it appear to "bump" all sites when my config says to
> "splice" all.
>
> -Tom
>
>
> Tom,
>
> one simple question.
>
> Soon, all or almost all the Internet go into HTTPS. Why do you then need
> caching proxy? The tunnel connection and process ACLs?
>
> My second question to Amos. Amos, what the hell do we under these
> conditions caching proxy?
>
> WBR, Yuri
>
> 24.06.15 21:41, Tom Mowbray пишет:
>> Squid 3.5.5
>>
>> I seem to have some confusion about how acl lists are processed in
>> squid.conf regarding the handling of SSL (HTTPS) traffic, attempting
> to use
>> ssl_bump directives with transparent proxy.
>>
>> Based on available documentation, I believe my squid.conf is correct,
>> however it never seems to actually behave as expected.
>>
>> I define the SSL port, as usual:
>>
>> acl SSL_ports port 443
>>
>> But here's where my confusion lies... Many state to place the following
>> line above the ssl_bump configuration lines:
>>
>> http_access allow SSL_ports
>>
>> However when I do this, it appears to simply stop processing any other
>> rules and allows ALL https traffic through the proxy (which is
> actually how
>> I'd expect a standard ACL list to operate, but then how do I actually
>> filter the traffic though our content-based ACL lists?).  If I put the
>> above line below the ssl_bump configuration options in my squid.conf, then
>> it appears to BUMP all, even though I've told the config to SPLICE all
>> https traffic, which doesn't work for our deployment.
>>
>> So, does squid actually continue to process the https traffic using the
>> ssl_bump rules if the "http_access allow SSL_ports" line is placed
> above it
>> in the configuration?
>>
>> I should note that we've been able to get filtering to work correctly when
>> using our configuration in NON-transparent mode, however our goal is get
>> this functionality working as a transparent proxy.  We're unable to load
>> our self-signed cert onto client machines that will be accessing the
> proxy,
>> so using the "bump" or man-in-the-middle style https filtering isn't a
>> viable option for us.
>>
>> Any help or advice is appreciated!
>>
>> Thanks,
>>
>> Tom
>
>
>
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