[PHPLondon-discuss] PHP URL/DNS Cache?

[Harry Roberts]

After this weekend I've had similar strange issues with opendns being used to "search" for stuff if the dns entry isn't found. 

IMO this is an abuse of the DNS system and just makes existing DNS resolves really slow (it's taking 500ms to a second or two to resolve things sometimes). 

Setup a local caching DNS service (like djbdns dnscache) or find the dns service which is resolving to opendns and remove it from your resolv.conf

> -----Original Message-----
> From: phplondon-discuss-bounces at lists.phplondon.org 
> [mailto:phplondon-discuss-bounces at lists.phplondon.org] On 
> Behalf Of Khalid Hanif
> Sent: 28 September 2007 13:17
> To: PHP London discussion list
> Subject: Re: [PHPLondon-discuss] PHP URL/DNS Cache?
> 
> Definately not a client/browser issue, we were getting this 
> on multiple clients, and I even moved the code to a separate 
> file to debug & test.
> 
> Khalid
> 
> On 28 Sep 2007, at 12:53, David Goodwin wrote:
> 
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > <snip>
> >
> >> Yet, PHP would still return the opendns results - even if 
> the URL was 
> >> changed. It was as if it had cached the resolv.conf IP's 
> from before.
> >> Bind is running as a caching NS, and this was reloaded & 
> restarted, 
> >> to no avail. Apache was also restarted. nscd isn't used. We're 
> >> running FC 6.
> >
> >
> > I'm intrigued - I'd have thought stopping and restarting 
> Apache would 
> > fix the issue.
> >
> > Your client (browser) couldn't have cached the output, could it?
> >
> > David
> >
> >
> > - --
> > David Goodwin
> >
> > [ david at codepoets dot co dot uk ]
> > [ http://www.codepoets.co.uk       ]
> > -----BEGIN PGP SIGNATURE-----
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> > iD8DBQFG/OtL/ISo3RF5V6YRAkpmAJ9Oh2Lvbrg33V003z0hHBkwF5LSrQCfSvGb
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> > =Kogo
> > -----END PGP SIGNATURE-----
> >
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