[LEAPSECS] more poison in the NTP pool

David Malone dwmalone at maths.tcd.ie
Sat Sep 1 02:58:59 EDT 2012

> comp.protocols.time.ntp contains a list of nearly 50 NTP servers

> with bogus leap indicator today.

> https://groups.google.com/forum/?fromgroups=#!topic/comp.protocols.time.ntp/vh

I actually have per-hour leap bits information for a bunch of servers
going back to before the 2008 leap. It's what I used to generate:


I have 4-year versions of the "fraction of servers advertising
leapbits" graph here:


It seems from this that there are always a few people advertising
leap seconds when they shouldn't be...


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