diff --git a/service/native/TrafficController.cpp b/service/native/TrafficController.cpp
index d05e6fa..8ad42c7 100644
--- a/service/native/TrafficController.cpp
+++ b/service/native/TrafficController.cpp
@@ -340,8 +340,6 @@
             return ALLOWLIST;
         case LOW_POWER_STANDBY:
             return ALLOWLIST;
-        case LOCKDOWN:
-            return DENYLIST;
         case OEM_DENY_1:
             return DENYLIST;
         case OEM_DENY_2:
@@ -373,9 +371,6 @@
         case LOW_POWER_STANDBY:
             res = updateOwnerMapEntry(LOW_POWER_STANDBY_MATCH, uid, rule, type);
             break;
-        case LOCKDOWN:
-            res = updateOwnerMapEntry(LOCKDOWN_VPN_MATCH, uid, rule, type);
-            break;
         case OEM_DENY_1:
             res = updateOwnerMapEntry(OEM_DENY_1_MATCH, uid, rule, type);
             break;
@@ -447,6 +442,18 @@
     return netdutils::status::ok;
 }
 
+Status TrafficController::updateUidLockdownRule(const uid_t uid, const bool add) {
+    std::lock_guard guard(mMutex);
+
+    netdutils::Status result = add ? addRule(uid, LOCKDOWN_VPN_MATCH)
+                               : removeRule(uid, LOCKDOWN_VPN_MATCH);
+    if (!isOk(result)) {
+        ALOGW("%s Lockdown rule failed(%d): uid=%d",
+              (add ? "add": "remove"), result.code(), uid);
+    }
+    return result;
+}
+
 int TrafficController::replaceUidOwnerMap(const std::string& name, bool isAllowlist __unused,
                                           const std::vector<int32_t>& uids) {
     // FirewallRule rule = isAllowlist ? ALLOW : DENY;
diff --git a/service/native/TrafficControllerTest.cpp b/service/native/TrafficControllerTest.cpp
index 1aca633..0b4550e 100644
--- a/service/native/TrafficControllerTest.cpp
+++ b/service/native/TrafficControllerTest.cpp
@@ -215,7 +215,7 @@
         checkEachUidValue(uids, match);
     }
 
-    void expectUidOwnerMapValues(const std::vector<uint32_t>& appUids, uint8_t expectedRule,
+    void expectUidOwnerMapValues(const std::vector<uint32_t>& appUids, uint32_t expectedRule,
                                  uint32_t expectedIif) {
         for (uint32_t uid : appUids) {
             Result<UidOwnerValue> value = mFakeUidOwnerMap.readValue(uid);
@@ -389,7 +389,6 @@
     checkUidOwnerRuleForChain(POWERSAVE, POWERSAVE_MATCH);
     checkUidOwnerRuleForChain(RESTRICTED, RESTRICTED_MATCH);
     checkUidOwnerRuleForChain(LOW_POWER_STANDBY, LOW_POWER_STANDBY_MATCH);
-    checkUidOwnerRuleForChain(LOCKDOWN, LOCKDOWN_VPN_MATCH);
     checkUidOwnerRuleForChain(OEM_DENY_1, OEM_DENY_1_MATCH);
     checkUidOwnerRuleForChain(OEM_DENY_2, OEM_DENY_2_MATCH);
     checkUidOwnerRuleForChain(OEM_DENY_3, OEM_DENY_3_MATCH);
@@ -521,6 +520,21 @@
     expectMapEmpty(mFakeUidOwnerMap);
 }
 
+TEST_F(TrafficControllerTest, TestUpdateUidLockdownRule) {
+    // Add Lockdown rules
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1000, true /* add */)));
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1001, true /* add */)));
+    expectUidOwnerMapValues({1000, 1001}, LOCKDOWN_VPN_MATCH, 0);
+
+    // Remove one of Lockdown rules
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1000, false /* add */)));
+    expectUidOwnerMapValues({1001}, LOCKDOWN_VPN_MATCH, 0);
+
+    // Remove remaining Lockdown rule
+    ASSERT_TRUE(isOk(mTc.updateUidLockdownRule(1001, false /* add */)));
+    expectMapEmpty(mFakeUidOwnerMap);
+}
+
 TEST_F(TrafficControllerTest, TestUidInterfaceFilteringRulesCoexistWithExistingMatches) {
     // Set up existing PENALTY_BOX_MATCH rules
     ASSERT_TRUE(isOk(updateUidOwnerMaps({1000, 1001, 10012}, PENALTY_BOX_MATCH,
@@ -802,7 +816,6 @@
             {POWERSAVE, ALLOWLIST},
             {RESTRICTED, ALLOWLIST},
             {LOW_POWER_STANDBY, ALLOWLIST},
-            {LOCKDOWN, DENYLIST},
             {OEM_DENY_1, DENYLIST},
             {OEM_DENY_2, DENYLIST},
             {INVALID_CHAIN, DENYLIST},
diff --git a/service/native/include/Common.h b/service/native/include/Common.h
index 2427aa9..3f28991 100644
--- a/service/native/include/Common.h
+++ b/service/native/include/Common.h
@@ -35,7 +35,6 @@
     POWERSAVE = 3,
     RESTRICTED = 4,
     LOW_POWER_STANDBY = 5,
-    LOCKDOWN = 6,
     OEM_DENY_1 = 7,
     OEM_DENY_2 = 8,
     OEM_DENY_3 = 9,
diff --git a/service/native/include/TrafficController.h b/service/native/include/TrafficController.h
index c019ce7..c921ff2 100644
--- a/service/native/include/TrafficController.h
+++ b/service/native/include/TrafficController.h
@@ -71,6 +71,8 @@
             EXCLUDES(mMutex);
     netdutils::Status removeUidInterfaceRules(const std::vector<int32_t>& uids) EXCLUDES(mMutex);
 
+    netdutils::Status updateUidLockdownRule(const uid_t uid, const bool add) EXCLUDES(mMutex);
+
     netdutils::Status updateUidOwnerMap(const uint32_t uid,
                                         UidOwnerMatchType matchType, IptOp op) EXCLUDES(mMutex);