On 7 Feb 2008, at 23:45, David Earl wrote: > On 07/02/2008 22:18, Keith Thomson wrote: >> David Earl wrote: >>> For the third time in a row, on separate occasions over three >>> weeks that >>> I have been uploading a significant amount of data from JOSM, this >>> has >>> happened again. >> ... >> I have had the same problem while running coastline uploads. Im >> pretty >> sure its more of an ISP problem as when the situation occurs there >> are >> other websites that become unavailable for me (e.g. >> http://www.cl.cam.ac.uk/research/dtg/weather/ as well as >> openstreetmap) >> while other sites are perfectly accessible still. Being near >> Cambridge, >> your ISP wouldnt happen to be NTL/Virgin would it? That is my >> isp.... > > It would indeed, and I had wondered whether they may be applying some > naive test for "dubious activity".
Andy used to get this on Virgin IIRC > > > It is only www.openstreetmap.org.uk that gets blocked (I can still get > at all other web sites, including the OSM wiki, so it is either domain > or IP specific (I'll check which next time it happens) and it has > always > been in exactly the same circumstances at the same stage in the > upload. > The feature of the API REST interface is lots of rapid, small > independent requests, which would be pretty unusual for most people. > > I'll try to reproduce it and see if I can still get at the server via > another route while it appears to be inaccessible directly. > > I'm 99% certain that there isn't anything in my router that will block > outgoing requests like this - the router doesn't look at that level, > it's only concerned with packets. > > But I did also wonder whether MS Windows Defender might be doing > something behind my back. It would be odd to apply it to outgoing > requests, but if they were trying to protect users against trojans, > they > might try to protect users against their machine being used as what > might look like the source of a DoS attack. > >> On 07/02/2008 21:58, Tom Hughes wrote: >>> It isn't specifically an API problem as the symptoms are that I get >>> locked out of the www.openstreetmap.org domain as a whole, not >>> just JOSM >>> uploads. >> >> Well that's all the same server, so I'm not quite sure what you >> mean by that? > > I just meant that it didn't appear to be a problem with the API alone. > (However, it could have been something in the API or how I am using it > that was making the server inaccessible for some reason - e.g. > crashing > it - but you confirmed this wasn't the case). > >> Are you sure you hadn't just lost network connectivity to UCL for >> some reason? Were you actually able to connect to the server? > > No I wasn't, but because the symptoms were each time precisely the > same > and specifically to do with uploading via JOSM, the obvious first > place > to look is with something specific to the operation, and then with > something to do with the server. When I can't see some server at all > but > can see the rest of the world without problems, my first thought is > that > it is the server, not me or my ISP. Isn't that a reasonable first > assumption? > > Also, the last time it happened, someone else posted a message which > reported identical symptoms at around the same time. I really don't > think any more that it can be coincidence, but that doesn't mean it > is a > server problem either, just that it is the first place to look. > > Curiously, when it comes back, the upload has always continued to > completion, even when there is more remaining to do than the original > upload did before dropping out. > > David > > > _______________________________________________ > dev mailing list > [email protected] > http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev > have fun, SteveC | [EMAIL PROTECTED] | http://www.asklater.com/steve/ _______________________________________________ dev mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/dev
