Update documentations

docs/examples/dns-hijack.md

@@ -0,0 +1,67 @@
+# DNS Hijack
+
+#### Sniff Mode
+
+```json
+{
+  "inbounds": [
+    {
+      "type": "tun",
+      "inet4_address": "172.19.0.1/30",
+      "auto_route": true,
+      "sniff": true // required
+    }
+  ],
+  "outbounds": [
+    {
+      "type": "direct"
+    },
+    {
+      "type": "dns",
+      "tag": "dns-out"
+    }
+  ],
+  "route": {
+    "rules": [
+      {
+        "protocol": "dns",
+        "outbound": "dns-out"
+      }
+    ],
+    "auto_detect_interface": true
+  }
+}
+```
+
+#### Port Mode
+
+```json
+{
+  "inbounds": [
+    {
+      "type": "tun",
+      "inet4_address": "172.19.0.1/30",
+      "auto_route": true,
+      "sniff": true // not required
+    }
+  ],
+  "outbounds": [
+    {
+      "type": "direct"
+    },
+    {
+      "type": "dns",
+      "tag": "dns-out"
+    }
+  ],
+  "route": {
+    "rules": [
+      {
+        "port": 53,
+        "outbound": "dns-out"
+      }
+    ],
+    "auto_detect_interface": true
+  }
+}
+```

docs/examples/index.md

@@ -4,4 +4,5 @@ Configuration examples for sing-box.
 
 * [Shadowsocks Server](./ss-server)
 * [Shadowsocks Client](./ss-client)
-* [Shadowsocks Tun](./ss-tun)
+* [Shadowsocks Tun](./ss-tun)
+* [DNS Hijack](./dns-hijack.md)

docs/examples/ss-tun.md

@@ -26,7 +26,6 @@
       "type": "tun",
       "inet4_address": "172.19.0.1/30",
       "auto_route": true,
-      "hijack_dns": true,
       "sniff": true
     }
   ],
@@ -46,10 +45,18 @@
     {
       "type": "block",
       "tag": "block"
+    },
+    {
+      "type": "dns",
+      "tag": "dns-out"
     }
   ],
   "route": {
     "rules": [
+      {
+        "protocol": "dns",
+        "outbound": "dns-out"
+      },
       {
         "geosite": "category-ads-all",
         "outbound": "block"