Merge pull request #187 from iennae/client_alive_interval

Modified the client_alive_interval default to 300

Author: artem-sidorenko

attributes/default.rb

@@ -82,7 +82,7 @@
   server['dh_build_primes']          = false
   server['dh_build_primes_size']     = 4096
   server['host_key_files']           = nil
-  server['client_alive_interval']    = 600     # 10min
+  server['client_alive_interval']    = 300     # 5min
   server['client_alive_count']       = 3       # ~> 3 x interval
   server['allow_root_with_key']      = false
   server['allow_tcp_forwarding']     = false