Heh
by Matt on Sep.30, 2008, under Uncategorized
Today’s little bit of “Now that I think about it, that makes sense…” wisdom: if your system happens to be a recursing nameserver, when running something to display open network connections, don’t let it resolve hostnames… Caching keeps it from becoming an infinite loop, but you will end up opening a new network connection for every nameserver in the chain… And each of those requires a DNS lookup…
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