diff --git a/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java b/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
index 8b059e3..ee2f6bb 100644
--- a/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
+++ b/tests/cts/net/src/android/net/cts/ConnectivityManagerTest.java
@@ -225,6 +225,7 @@
 import java.net.InetSocketAddress;
 import java.net.MalformedURLException;
 import java.net.Socket;
+import java.net.SocketException;
 import java.net.URL;
 import java.net.UnknownHostException;
 import java.nio.charset.StandardCharsets;
@@ -278,6 +279,7 @@
     // TODO(b/252972908): reset the original timer when aosp/2188755 is ramped up.
     private static final int LISTEN_ACTIVITY_TIMEOUT_MS = 30_000;
     private static final int NO_CALLBACK_TIMEOUT_MS = 100;
+    private static final int NETWORK_REQUEST_TIMEOUT_MS = 3000;
     private static final int SOCKET_TIMEOUT_MS = 100;
     private static final int NUM_TRIES_MULTIPATH_PREF_CHECK = 20;
     private static final long INTERVAL_MULTIPATH_PREF_CHECK_MS = 500;
@@ -3553,6 +3555,103 @@
         doTestFirewallBlocking(FIREWALL_CHAIN_OEM_DENY_3, DENYLIST);
     }
 
+    private void assertSocketOpen(final Socket socket) throws Exception {
+        mCtsNetUtils.testHttpRequest(socket);
+    }
+
+    private void assertSocketClosed(final Socket socket) throws Exception {
+        try {
+            mCtsNetUtils.testHttpRequest(socket);
+            fail("Socket is expected to be closed");
+        } catch (SocketException expected) {
+        }
+    }
+
+    private static final boolean EXPECT_OPEN = false;
+    private static final boolean EXPECT_CLOSE = true;
+
+    private void doTestFirewallCloseSocket(final int chain, final int rule, final int targetUid,
+            final boolean expectClose) {
+        runWithShellPermissionIdentity(() -> {
+            // Firewall chain status will be restored after the test.
+            final boolean wasChainEnabled = mCm.getFirewallChainEnabled(chain);
+            final int previousUidFirewallRule = mCm.getUidFirewallRule(chain, targetUid);
+            final Socket socket = new Socket(TEST_HOST, HTTP_PORT);
+            socket.setSoTimeout(NETWORK_REQUEST_TIMEOUT_MS);
+            testAndCleanup(() -> {
+                mCm.setFirewallChainEnabled(chain, false /* enable */);
+                assertSocketOpen(socket);
+
+                try {
+                    mCm.setUidFirewallRule(chain, targetUid, rule);
+                } catch (IllegalStateException ignored) {
+                    // Removing match causes an exception when the rule entry for the uid does
+                    // not exist. But this is fine and can be ignored.
+                }
+                mCm.setFirewallChainEnabled(chain, true /* enable */);
+
+                if (expectClose) {
+                    assertSocketClosed(socket);
+                } else {
+                    assertSocketOpen(socket);
+                }
+            }, /* cleanup */ () -> {
+                    // Restore the global chain status
+                    mCm.setFirewallChainEnabled(chain, wasChainEnabled);
+                }, /* cleanup */ () -> {
+                    // Restore the uid firewall rule status
+                    try {
+                        mCm.setUidFirewallRule(chain, targetUid, previousUidFirewallRule);
+                    } catch (IllegalStateException ignored) {
+                        // Removing match causes an exception when the rule entry for the uid does
+                        // not exist. But this is fine and can be ignored.
+                    }
+                }, /* cleanup */ () -> {
+                    socket.close();
+                });
+        }, NETWORK_SETTINGS);
+    }
+
+    @Test @IgnoreUpTo(Build.VERSION_CODES.TIRAMISU) @ConnectivityModuleTest
+    public void testFirewallCloseSocketAllowlistChainAllow() {
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_DOZABLE, FIREWALL_RULE_ALLOW,
+                Process.myUid(), EXPECT_OPEN);
+    }
+
+    @Test @IgnoreUpTo(Build.VERSION_CODES.TIRAMISU) @ConnectivityModuleTest
+    public void testFirewallCloseSocketAllowlistChainDeny() {
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_DOZABLE, FIREWALL_RULE_DENY,
+                Process.myUid(), EXPECT_CLOSE);
+    }
+
+    @Test @IgnoreUpTo(Build.VERSION_CODES.TIRAMISU) @ConnectivityModuleTest
+    public void testFirewallCloseSocketAllowlistChainOtherUid() {
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_DOZABLE, FIREWALL_RULE_ALLOW,
+                Process.myUid() + 1, EXPECT_CLOSE);
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_DOZABLE, FIREWALL_RULE_DENY,
+                Process.myUid() + 1, EXPECT_CLOSE);
+    }
+
+    @Test @IgnoreUpTo(Build.VERSION_CODES.TIRAMISU) @ConnectivityModuleTest
+    public void testFirewallCloseSocketDenylistChainAllow() {
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_STANDBY, FIREWALL_RULE_ALLOW,
+                Process.myUid(), EXPECT_OPEN);
+    }
+
+    @Test @IgnoreUpTo(Build.VERSION_CODES.TIRAMISU) @ConnectivityModuleTest
+    public void testFirewallCloseSocketDenylistChainDeny() {
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_STANDBY, FIREWALL_RULE_DENY,
+                Process.myUid(), EXPECT_CLOSE);
+    }
+
+    @Test @IgnoreUpTo(Build.VERSION_CODES.TIRAMISU) @ConnectivityModuleTest
+    public void testFirewallCloseSocketDenylistChainOtherUid() {
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_STANDBY, FIREWALL_RULE_ALLOW,
+                Process.myUid() + 1, EXPECT_OPEN);
+        doTestFirewallCloseSocket(FIREWALL_CHAIN_STANDBY, FIREWALL_RULE_DENY,
+                Process.myUid() + 1, EXPECT_OPEN);
+    }
+
     private void assumeTestSApis() {
         // Cannot use @IgnoreUpTo(Build.VERSION_CODES.R) because this test also requires API 31
         // shims, and @IgnoreUpTo does not check that.
diff --git a/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java b/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java
index 0c4f794..ce789fc 100644
--- a/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java
+++ b/tests/cts/net/util/java/android/net/cts/util/CtsNetUtils.java
@@ -426,7 +426,7 @@
                 .build();
     }
 
-    private void testHttpRequest(Socket s) throws IOException {
+    public void testHttpRequest(Socket s) throws IOException {
         OutputStream out = s.getOutputStream();
         InputStream in = s.getInputStream();
 
@@ -434,7 +434,9 @@
         byte[] responseBytes = new byte[4096];
         out.write(requestBytes);
         in.read(responseBytes);
-        assertTrue(new String(responseBytes, "UTF-8").startsWith("HTTP/1.0 204 No Content\r\n"));
+        final String response = new String(responseBytes, "UTF-8");
+        assertTrue("Received unexpected response: " + response,
+                response.startsWith("HTTP/1.0 204 No Content\r\n"));
     }
 
     private Socket getBoundSocket(Network network, String host, int port) throws IOException {