Make DialTimeout configurable.

README.md

@@ -114,6 +114,12 @@ Here is the options that can be used in a configuration file and what it for:
   // Web interface access password. Set to empty to allow public access
   "SharedKey": "WEB_ACCESS_PASSWORD",
 
+  // Remote dial timeout. This limits how long of time the backend can spend
+  // to connect to a remote host. The max timeout will be determined by
+  // server configuration (ReadTimeout).
+  // (In Second)
+  "DialTimeout": 10,
+
   // Socks5 proxy. When set, we will try to connect remote through the given
   // proxy
   "Socks5": "localhost:1080",
@@ -136,23 +142,29 @@ Here is the options that can be used in a configuration file and what it for:
 
       // Timeout of initial request. HTTP handshake must be finished within
       // this time
+      // (In Second)
       "InitialTimeout": 3,
 
       // How long the connection can be idle before the server disconnects the
       // client
+      // (In Second)
       "ReadTimeout": 60,
 
       // How long the server will wait until the client connect is ready to
       // recieve new data
+      // (In Second)
       "WriteTimeout": 60,
 
       // The interval between internal echo requests
+      // (In Second)
       "HeartbeatTimeout": 20,
 
       // Forced delay between each request
+      // (In Milisecond)
       "ReadDelay": 10,
 
       // Forced delay between each write
+      // (In Milisecond)
       "WriteDelay": 10,
 
       // Path to TLS certificate file. Set empty to use HTTP