Re: [squid-users] Cache of port 443 with SSL Reverse Proxy

From: Sylvio Cesar <sylviotamorim_at_gmail.com>
Date: Tue, 15 May 2012 22:32:42 -0300

Thanks Amos,

2012/5/15 Amos Jeffries <squid3_at_treenet.co.nz>:
> On 16.05.2012 09:20, Sylvio Cesar wrote:
>>
>> Hi,
>>
>> - It possible do cache of port 443 with SSL Reverse Proxy?
>
>
> Yes.

Where I find information about of how to cache of port 443 with SSL
Reverse Proxy?

>
>>
>> - What is the advantage of doing reverse proxy SSL if the squid does not
>> make
>> SSL cache?
>
>
> SSL offloading away from the WWW server. When the WWW server is doing a lot
> of dynamic content generation any reduction of CPU can benefit overall.
>
> Plus all the other scaling advantages of reverse-proxy. There is nothing
> special about SSL reverse-proxy other than the traffic arrives over a secure
> channel.
>
>
>
>> - You can startar two instances of squid, and the second
>> instance is a squid.conf https_port doing reverse proxy with SSL?
>>
>> This is because the workstations of the environment here has two
>> firefox profiles (firefox a profile in common, and the other by means of a
>> web application that uses port 443) for this reason it would be
>> deployed two instances of squid.
>
>
>
> Yes. But why two Squid? One instance can do multiple input modes and is
> simpler to operate. The method the client uses to configure the proxy is
> largely irrelevant to the proxy.

The second configuration will be to cache all content SSL of an
application internal of my work.

>
> AND, if there is a browser configured to use the proxy it is *NOT* a
> reverse-proxy. It is a forward-proxy.
> reverse-proxy is when there is only DNS records pointing at a domain name
> serviced by the proxy pretending to be a web server.
>
>
>>
>> The question begs, if the squid does not cache SSL as
>> SSL reverse proxy, what is the advantage of using squid as proxy
>> Reverse SSL?
>
>
> Question is irrelevant. Caching happens on all cacheable content. TLS/SSL
> does not determine cacheability.
>
> Amos
>

Sylvio
Received on Wed May 16 2012 - 01:33:13 MDT

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