Quoting "Julien Goodwin" <[email protected]>
> On 25/11/13 17:45, Petros wrote:
>> Hi,
>>
>> I have a new ADSL connection for our office, and a new firewall behind it.
>>
>> I pointed a proxy server (squid) to it, and.. it works most of the time.
>>
>> Just a few websites don't seem to like it. E.g.:
>>
>> 1385361294.211  18410 192.168.50.199 TCP_MISS/502 1217 GET
>> http://www.zeit.de/index - DIRECT/217.13.68.220 text/html
>>
>> There are a few sites that don't work, most of the time it is a 502,
>> occasionally a 504.
>>
>> I suspected the new firewall but cannot see any related packets
>> dropped (and logged) there.
>
> Check that you haven't disabled the "forwarded for" setting in squid.

Thanks, I will keep that in mind.

However, the same config works on the ADSL line in production.

I stripped back the whole network just to have my own PC directly on
it. MTU to 1492, 100MBit/s full duplex to the NetComm NB9WAXXTLAN
modem, no proxy or so - still the problem exists.

Weird that only some worksites don't work.. it's a bit how a friend
living over in China describes it - randomly some stuff is blocked. I
hope we are not there yet..

Well, at the end I lodged a fault at the ISP. Will see what comes out of it.

Sadly I did not catch the problem last weekend when installing. It
frustrated people Monday morning so I moved back to the old line.

Thanks again
Peter

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