[squid-users] receive only (asymatric routing)

[behrad eslami]

User traffic diagram is like this:

         _____receive____ squid <-----router1--         |                                                                   |     <---> internetuser  -------send----> router2------------------------ 

    On Monday, January 18, 2016 1:41 PM, Antony Stone <Antony.Stone at squid.open.source.it> wrote:
 

 On Monday 18 January 2016 at 10:56:27, behrad eslami wrote:

> Thanks for you reply
> Im askinng about one way traffic. Some user sends traffic ,route from
> another ISP and only received packet route from squid

Sorry, this is still not clear to me.

Do the requests from the client to the server pass through Squid?

Antony.

> On Sunday, January 17, 2016 12:21 PM, Antony Stone wrote:
> 
>  On Sunday 17 January 2016 at 08:55:56, behrad eslami wrote:
> > Hi
> > Some part of our traffic is asymmatric (send and receive had different
> > route)Is squid cat work on one direct (only on receive)?
> 
> If you're asking whether Squid will cache and/or proxy replies from
> webservers where it hasn't seen the requests, then no.
> 
> If you're asking whether Squid cares about whether its upstream connection
> to the webserver/s, and the downstream replies from the webserver/s go
> along different routes, then no.
> 
> So, both request and reply packets have to pass through Squid.  How those
> packets get routed between client and Squid, and between Squid and server,
> and then back again, is immaterial (provided any NAT along the way is
> correctly reversed on replies, but if you weren't doing that, then replies
> would never get back to the clients anyway).
> 
> 
> Antony.

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