Bind Error: “max open files (3520) is smaller than max sockets (4096)”

Just notice one of the DNS server has the error message 28-Jun-2010 16:28:24.283 general: max open files (3520) is smaller than max sockets (4096) It’s something to do with kernel setting, on FreeBSD, configure the following shell> sysctl kern.maxfiles=4096 shell>…