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Tue Apr 2 00:56:56 UTC 2013
infected 300 IN NS kanga.honeypot.net.
infected 300 IN NS glaaki.masonitg.com.
This works well; I have no problems using nsupdate to add/delete A and TXT
records to the "infected.honeypot.net" zone (it's a blackhole list for
virus-infected computers, in case you were wondering about the name).
The problem comes when trying to get the slave server to track the dynamic
updates. I can use tcpdump to watch the NOTIFY go out and come back, and
entries like the following appear in the slave's logs:
queue_soa_query: zone infected.honeypot.net/IN: enter
soa_query: zone infected.honeypot.net/IN: enter
refresh_callback: zone infected.honeypot.net/IN: enter
refresh_callback: zone infected.honeypot.net/IN: serial: new 2100000032, old 2100000032
The problem is that the serial is woefully out of date and never increments
on the slave, even though it's updating instantaneously on the master.
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