Walla mail from Linux - Error 101 (net::ERR_CONNECTION_RESET) : The connection was reset.

[shimi]

On Mon, Jun 4, 2012 at 9:12 AM, Aharon Schkolnik <schkolnik at 013.net> wrote:

> **
>
> On Thursday, May 31, 2012, shimi wrote:
>
> > On Thu, May 31, 2012 at 2:19 PM, Oleg Goldshmidt <pub at goldshmidt.org>
> wrote:
>
> > > On Thu, May 31, 2012 at 2:10 PM, ronys <ronys at gmx.net> wrote:
>
> > >> Looks like Walla's having electric problems at their servers:
>
> > >> http://www.globes.co.il/news/article.aspx?did=1000753302
>
> > >
>
> > > FWIW, I get "connection reset" *all the time* from various Google
>
> > > services - gmail, news, search, maps, youtube. I stopped raising a
>
> > > brow, just hit the "try again" button. It never occurred to me to
>
> > > suspect Linux (this looks to me a Google-specific issue) - I thought
>
> > > those were glitches in Google's massive datacenters... Or maybe in
>
> > > some Israeli cache or whatever.
>
> >
>
> > More likely than a Linux's "fault", is faulty routers (or appliances) on
>
> > your path to Google's servers, that think they're smarter than Internet
>
> > endpoints, instead of just... routing traffic, what they were originally
>
> > supposed to do. Sometimes it's those "smart" QoS boxes...
>
> >
>
> > Recently I did a very long debugging session on a customer of
>
> > Netvision/Barak, and realized that their equipment doesn't like the
>
> > "advanced" features enabled by Linux by default - the behavior of the
>
> > ISP network changed as I modified the things below. I would start
>
> > echoing 0 to numerous stuff under /proc/sys/net/ipv4/* to see if the
>
> > problem alleviates.
>
>
> If the problem is related to one of these features, would that explain the
> instances where I can get an URL with wget, but not access it from a
> browser ?
>
>
>
>
Yes, different apps can use different features of TCP. Actually, when I
started this debugging what I was talking about, Telnet (from
netkit-telnetd) to port 80 and access from FF, and MSIE, all behaved
differently...

Try "tcpdump port 80" and compare the options...

-- Shimi
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