[squid-users] whatsapp image download fails

[Chico Venancio]

Also,
Whatsapp needs other ports open, 5223, 5228, 4244, 5242 and 5222.

Chico Venancio
Em 21/02/2016 16:33, "Antony Stone" <Antony.Stone at squid.open.source.it>
escreveu:

> On Sunday 21 February 2016 at 20:10:59, turgut kalfaoğlu wrote:
>
> > Thank you for your reply; there is nothing about SSL neither in iptables
> > nor in squid settings now.
> > It only intercepts port 80 requests..
>
> So, does this mean that all browsers and similar clients are unable to
> access
> any HTTPS resource (since they don't have an explicitly-configured proxy,
> and
> there's no configuration to support SSL intercept)?
>
> Or do you have some other mechanism (eg: simple Masquerading NAT) to allow
> clients to access the Internet for non-HTTP traffic?
>
> Blocking HTTPS would prevent you being able to access a large proportion of
> today's Internet.
>
> > There is nothing visible in squid's access.log nor the firewall logs of
> > the server when I click on an image to download in Whatsapp.
>
> What are you logging on the firewall?
>
> I'm not familar with Whatsapp myself (I've heard of it, yes, but I don't
> use
> it).
>
> Is it possible to find out what URL it wants to access when you click on an
> image?
>
> Alternatively, can you use a packet sniffer like wireshark on a router in
> the
> path between the client and the Internet, to see what it is trying to do?
>
> I would also suggest trying to access some other HTTP and HTTPS resources,
> to
> see whether there's anything specific to Whatsapp, or whether all HTTPS is
> blocked, or whether it's some other problem.
>
>
> Antony.
>
> --
> This sentence contains exacly three erors.
>
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> list;
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> me.
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