What's new in 6.22 (2014-Nov-11 14:46): *) ovpn - added support for null crypto; *) files - allow to remove empty disk folders; *) sntp - fix problems with dns name resolving failures that were triggering system watchdog timeout; *) eoip/eoipv6/gre/gre6/ipip/ipipv6/6to4 tunnels have new features: tunnels go down when no route to destination; tunnels go down for 1 minute when transmit loop detected, warning gets logged; new keepalive-retries setting; keepalives enabled by default for new tunnels (10sec interval, 10 retries); *) improved connection-state matcher in firewall - can match multiple states in one rule, supports negation; *) added connection-nat-state matcher - can match connections that are srcnatted,dstnatted or both; *) 100% CPU load caused by DNS service fixed; *) 100% CPU load caused by unclassified services fixed; *) 6to4 tunnel fixed; *) new RouterBOOT firmware for Metal 2SHPn to improve wireless stability;