[LEAPSECS] stale leap second information

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Jan 19 04:29:46 EST 2015


--------
In message <20150119092237.1EF7540600C at ip-64-139-1-69.sjc.megapath.net>, Hal Mu
rray writes:
>
>> The CRC is there to detect when DNS replies are rewritten to point
>> everything at captive portals, as is the case on a lot of "free WIFI"
>> networks etc. 
>
>What do "free WIFI" portals do with TXT records?

A fair number of them seem to return "A $MYGW" for *any* DNS query.

>What do they do with NTP requests?

They generally seem to allow NTP through once you're logged in.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


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