A recurring theme here is one of user expectation. Or I should say, the
expectation I have as an old school Unix administrator (that doesn't really
care for Unix administration but can do it) and the current state of the art
in Unix—or rather, Linux—administration.
Today's project was a consolidation of DNS—moving all the zone files to
a central server and have that one serve the zones to the actual register
name servers. That way, we have one location to make changes and from there
they are propagaged out. Nothing too wild.
But it's not working. The zone transfers are failing. Big time. I'm
reading the Cricket Book and I'm close to
really mucking with the configuration files when this little voice
in the back of my head goes Hey, check to see if there's a firewall
running on the server. See, user expectation—I'm not used to Unix
servers running firewall software as a default. I'm not running Windows for crying out loud.
And thankfully, it turns out to be a firewall issue. Otherwise I thought
I was going crazy.
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