But while I was working on a page for about 30 minutes, the unthinkable happened: there was an error when I attempted to save it.
Dang me, I told myself. Okay, I'll try hitting refresh, most of time whatever is in the textarea is still available for another POST. But since the default behavior of OpenDNS is to replace nonexistent, unavailable pages with their custom page, I could not locate my text any more.
The default behavior of Firefox (and other browsers, I think), if the target of a POST could not be reached, is to keep that data in some place, so if you do a refresh, it will be reposted. However... OpenDNS does not tell Firefox that the network is unreachable, instead it gives the browser a custom page not found message - a soft 404. The user is of course alerted to that fact, but for Firefox the transaction was okay, and so it discards the form input.
I posted this same concern at the 110MB forum, and it generated a good deal of discussion. Some say privacy concerns are also to be considered.
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Labels: domain name propagation, opendns caveats, opendns.com




