diff --git a/docs/API-doc.md b/docs/API-doc.md
index 51698717..da8e8617 100644
--- a/docs/API-doc.md
+++ b/docs/API-doc.md
@@ -160,6 +160,7 @@ Singbox 的规则集来自 [https://github.com/lyc8503/sing-box-rules](https://g
 - `domain_suffix`: 域名后缀规则数组
 - `domain_keyword`: 域名关键词规则数组
 - `ip_cidr`: IP CIDR 规则数组
+- `protocol`: 协议规则数组
 - `outbound`: 出站名称
 
 示例:
@@ -172,6 +173,7 @@ Singbox 的规则集来自 [https://github.com/lyc8503/sing-box-rules](https://g
     "domain_suffix": [".com", ".org"],
     "domain_keyword": ["Mijia Cloud", "push.apple"],
     "ip_cidr": ["192.168.0.0/16", "10.0.0.0/8"],
+    "protocol": ["http", "tls", "dns"],
     "outbound": "🤪 MyCustomRule"
   }
 ]
diff --git a/src/SingboxConfigBuilder.js b/src/SingboxConfigBuilder.js
index 41a1207c..a4f2ce55 100644
--- a/src/SingboxConfigBuilder.js
+++ b/src/SingboxConfigBuilder.js
@@ -86,6 +86,7 @@ export class ConfigBuilder extends BaseConfigBuilder {
             domain_suffix: rule.domain_suffix,
             domain_keyword: rule.domain_keyword,
             ip_cidr: rule.ip_cidr,
+            protocol: rule.protocol,
             outbound: rule.outbound
         }));
         // Add any default rules that should always be present
diff --git a/src/config.js b/src/config.js
index 2e7cd476..2241d5eb 100644
--- a/src/config.js
+++ b/src/config.js
@@ -181,6 +181,7 @@ export function generateRules(selectedRules = [], customRules = [], pin) {
 			domain_suffix: rule.domain_suffix ? rule.domain_suffix.split(',') : [],
 			domain_keyword: rule.domain_keyword ? rule.domain_keyword.split(',') : [],
 			ip_cidr: rule.ip_cidr ? rule.ip_cidr.split(',') : [],
+			protocol: rule.protocol ? rule.protocol.split(',') : [],
 			outbound: rule.name
 		  });
 		});
@@ -194,6 +195,7 @@ export function generateRules(selectedRules = [], customRules = [], pin) {
 			  domain_suffix: rule.domain_suffix ? rule.domain_suffix.split(',') : [],
 			  domain_keyword: rule.domain_keyword ? rule.domain_keyword.split(',') : [],
 			  ip_cidr: rule.ip_cidr ? rule.ip_cidr.split(',') : [],
+			  protocol: rule.protocol ? rule.protocol.split(',') : [],
 			  outbound: rule.name
 			});
 		  });
diff --git a/src/htmlBuilder.js b/src/htmlBuilder.js
index 967a2fd0..7d084820 100644
--- a/src/htmlBuilder.js
+++ b/src/htmlBuilder.js
@@ -497,7 +497,8 @@ const submitFormFunction = () => `
       name: rule.querySelector('input[name="customRuleName[]"]').value,
       domain_suffix: rule.querySelector('input[name="customRuleDomainSuffix[]"]').value,
       domain_keyword: rule.querySelector('input[name="customRuleDomainKeyword[]"]').value,
-      ip_cidr: rule.querySelector('input[name="customRuleIPCIDR[]"]').value
+      ip_cidr: rule.querySelector('input[name="customRuleIPCIDR[]"]').value,
+      protocol: rule.querySelector('input[name="customRuleProtocol[]"]').value
     }));
 
     const configParam = configId ? \`&configId=\${configId}\` : '';
@@ -659,6 +660,16 @@ const customRuleFunctions = `
         <label class="form-label">IP CIDR</label>
         <input type="text" class="form-control mb-2" name="customRuleIPCIDR[]" placeholder="IP CIDR (comma separated)">
       </div>
+      <div class="mb-2">
+        <label class="form-label">Protocol</label>
+        <span class="tooltip-icon">
+          <i class="fas fa-question-circle"></i>
+          <span class="tooltip-content">
+            Protocol rules for specific traffic types. More details: https://sing-box.sagernet.org/configuration/route/sniff/
+          </span>
+        </span>
+        <input type="text" class="form-control mb-2" name="customRuleProtocol[]" placeholder="Protocol (comma separated, e.g, http,ssh,dns)">
+      </div>
       <button type="button" class="btn btn-danger btn-sm" onclick="removeCustomRule(this)">Remove</button>
     \`;
     customRulesDiv.appendChild(newRuleDiv);