Hi list,
I run a BIND 9.18.27 resolver on a small mail server.
Sometimes in the logs I will see entries similar to the following:
04-Jul-2024 12:20:48.048 query-errors: info: client @0x3777f6412b0
127.0.0.1#48123 (bras-base-toroon0964w-
grc-41-142-198-14-9.dsl.bell.ca): query failed (timed out) for
bras-base-toroon0964w-grc-41-142-198-14-9.dsl.bell.ca/IN/A at
query.c:7843
04-Jul-2024 20:07:35.308 resolver: info: shut down hung fetch
while resolving '164.212.87.77.in-addr.arpa/PTR'
My question is: what is the difference between a query that times out
versus a query that hangs ?
In both cases, I would think these queries are hitting a time limit and
are stopped by BIND, but the fact that there are two different log
entries makes me wonder if there's more to this.
Thanks,
- J
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