Just in case someone else bumps into this issue, I can confirm that ulimits are 
not honored when running a cron job (at least from cronie).

In my case, if I set ulimits globally with:
* hard nofile 65535
* soft nofile 16384

I get this outside cron:
open files                      (-n) 16384

However, I get the following within cron:

open files                      (-n) 1024

as demonstrated by running the following test from crontab:

root    ulimit -a >/tmp/ulimit 2>&1 3>&1

So beware.

I guess one can avoid this by setting ulimits within Squid's init script, and 
calling that within cron.

No idea whether this is a cron bug or feature.

Vieri
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