On 21 Dec 2009, at 19:40, Andy Shellam wrote: >> >> Both at home and at work there are caching DNS on the LAN. So a DNS >> request may come back with a valid IP address when the WAN connection is >> down. I still won't be able to connect to the remote site. > > Dig an external server - e.g. dig @a.root-servers.net google.co.uk > > If your net is down the query will fail even if the reply is cached locally, because you're specifically requesting a response from a.root-servers.net. I'm confused... what's the problem with just trying to hit the update server? If you can then you check for updates, if not then you, erm, don't. Simples, no? -Stuart -- http://stut.net/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
