I am facing a wierd issue on few of my WordPress installations. These installations won’t alert me re4garding the new 3.5 version upgrade as available. Later I realized that their RSS widgets also stopped working (at both places I get the error “WP HTTP Error: couldn’t connect to host”. For similar reasons I guess the Text Link Ads widget on my these installs also stopped working. Can anyone help me by letting understand what ports are usually employed by WordPress Widgets and the Update tools to conenct to outside URLs or feeds. I can then provide my host better information on blocked ports, if that’s the reason. These sites used to function fine till the last upgrade to 3.4.2. And two of my other WP installations (on a different server) work fine.
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