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what is really puzzling to me here, is when a page wont load - whether non forum or forum (and again, the english/fun is way more often than non forum page), I get no http activity... nothing, zero, zilch... I dont get that...
It means nothing is happening... first http request should be the page, but that doesnt even occur... then you should get http requests for each css file, js file, every other external reference, images, etc... but I see zero activity... when it does load, the http activity is normal...
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I got some support from my webhost, and they said the following:
We found that your WordPress forum was making external requests, which queue DNS lookups using TCP port 53. Most DNS resolvers use only UDP port 53. Since your configured DNS resolvers on vps5936 have TCP port 53 blocked, the DNS lookups hang until they timeout. You can place "define('WP_HTTP_BLOCK_EXTERNAL', true);" (in "wp-config.php") to block external requests, which is not a good fix. You should ensure that WordPress is using UDP port 53 to make DNS lookups.
Does this make any sense to you? My forums now load, but it looks like they could stop working if the server reboots. Is this something the forums do?
Thanks!
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No, the forum does not make requests over a specific TCP or UDPport.. we are just a plugin for SP and just use whatever wp is set up for... This is confirmed by other wp pages having the same issue (albeit less frequently)... and also that the forum ones work sometimes...
Why would it stop if the server reboots? whatever change they made should be more permanent, no?
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They said they made a change to some DNS routers, but they would get reset if the VPS restarted... *shrug* I don't know of why a plugin would force a DNS request over UDP, that seems like something that would be in Apache or PHP itself, not the application.
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I didnt even know that wp could try to use different ports or protocols... I mean certainly there is things that can be done in the http class of wp, but you would explicity have to configure that somewhere in the wp config, I would think...
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