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<p>hi is unclear named structure if is a slave a master if dynamic updates are enabled and if the unix box has been hacked
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<p>as last , zones are static files on fs ?<br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> bind-users <bind-users-bounces@lists.isc.org> on behalf of Raul Dias <raul@dias.com.br><br>
<b>Sent:</b> Tuesday, February 7, 2017 3:03 PM<br>
<b>To:</b> bind-users@lists.isc.org<br>
<b>Subject:</b> bind 9 goes rogue and revert zone information</font>
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<div class="PlainText">Hello,<br>
<br>
I have a very strange behavior that I am failing to understand.<br>
<br>
2 to 5 times a week, a named server revert back to a previous version os <br>
a master zone.<br>
This happens during the night, usually around 20h EST.<br>
<br>
This zone has a serial of 3017020401 (yes, I typo the 3 somewhere in the <br>
past).<br>
When it reverts its zone information, it goes back to 3016060101.<br>
<br>
I have updated, restarted the host, clean all cache and journal files, <br>
grep all files in the host for 3016060101 (just shows up in the logs).<br>
<br>
So, I have no clue why, or how it is happening. Where does it get the <br>
old information.<br>
<br>
I thought first about the serial, but it would have happened in the past <br>
too, right? As it should be a 32bit unsigned integer, it shouldn't be a <br>
problem, IMHO.<br>
<br>
Yet, when "dig domain -t SOA @server", it is there again.<br>
<br>
The host is a debian Jessie and bind is 9.9.5, 1:9.9.5.dfsg-9+deb8u8 <br>
more specifically.<br>
<br>
<br>
Thanks for any direction.<br>
-rsd<br>
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