Gratitude is expressed to [https://web.archive.org/web/20230307052109/https://anonymous-proxy-servers.net/ JonDos] for [https://web.archive.org/web/20131225084524/https://anonymous-proxy-servers.net/forum/viewtopic.php?p=31220 permission] to use material from their website. <ref>Another archived version: https://archive.li/FvquU</ref>