This was fixed upstream in 3.3.11. So the Squid v3.5 package in Xenial and later is fixed.
** Changed in: squid3 (Ubuntu) Status: Confirmed => Fix Released ** Bug watch added: Squid Bugzilla #3970 http://bugs.squid-cache.org/show_bug.cgi?id=3970 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1390132 Title: Cannot change the maximum number of filedescriptors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/squid3/+bug/1390132/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs