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Re: php curl_exec won't return any data, libcurl-, php 5.3.4, WampServer2.1d-x64.exe

From: Tolas Anon <>
Date: Thu, 10 Feb 2011 10:57:26 +0100

On Thu, Feb 10, 2011 at 10:12 AM, Tor Arntsen <> wrote:
> On Wed, Feb 9, 2011 at 19:51, Tolas Anon <> wrote:
>> curl_exec() to localhost : works like a charm, for a 1hr request.
>> curl_exec() to internet domain name of localhost (port forwarding from
>> adsl modem to localhost enabled) : still running, does appear as
>> frozen as in the original request for help.
> That sounds like you're behind a NAT'ed firewall. Quiet connections
> will often go dead (by the firewall) in an hour or less (I've seen 30
> minutes on some).  My ssh tunnel connections always use a 'ping -i
> localhost 600' on the tunnel-setup ssh to keep the connections up.
> You may instead try to set the TCP option SO_KEEPALIVE (see 'man
> socket') to see if it helps.
Thanks for the info, it is indeed a NAT setup.

But on one of those low-featured ADSL routers, with a webpage that
gives you only the most basic options.
I consider myself lucky it has NAT capabilities at all ;)
I'd have seen no options for tcp keep-alive on that thing, i seriously
doubt it can do it at all.

My localhost is win7, and as far as i know it doesn't get involved in
the NATing.

Plus: i wanna use these import routines from continent to continent
one day, there might be more equipment on the internets that has this

So i'm running another simple test atm, whereby i echo a byte every 25
seconds, and an ob_flush() each time, during the run. I've set it for
1.5hrs this time. Results should be in within the hour.
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Received on 2011-02-10