Re: Checking for internet connection.

From: Date: Tue, 22 Dec 2009 13:39:05 +0000
Subject: Re: Checking for internet connection.
References: 1 2 3 4 5 6 7 8 9  Groups: php.general 
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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/

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