Editing the host file is different for every system but below are a couple of how-to links for varying OSs.
Just put the lines below in your hosts file, save, and depending on your system…reboot! The old links should now work again!
23.4.17.24 cdn.downloads.palm.com
195.22.200.42 downloads.help.palm.com
15.217.96.16 help.palm.com
23.141.224.193 ipkg.preware.org (20th September 2018: This entry redirects to preware.net. The IP address is updated as the servers have now moved. The latest versions of Preware and webOS Quick Install should automatically connect correctly via DNS. If using older apps, update the former entry of 140.211.169.161).
#webosforever