On 2010 Feb 17 (Wed) at 07:51:03 +0100 (+0100), Per-Olov Sjvholm wrote: :Answer correctly or don't answer at all.
It seems to me that people *did* answer correctly. But, their answer was not what you wanted to hear. The answer: don't use port knocking, use a randomized url. https://example.com/64482a3717737695e4dd254a4d57da4f6c0795f3e811e8b12347625fb285.rss Google, Apple, etc use this scheme for webcal access. I strongly doubt your rss feed requires more privacy than people's private calendars. -- Beware of altruism. It is based on self-deception, the root of all evil.