diff --git a/tests/functional/test_index.py b/tests/functional/test_index.py
index 5a3c27bac9d..67d12419804 100644
--- a/tests/functional/test_index.py
+++ b/tests/functional/test_index.py
@@ -50,6 +50,7 @@ def test_list_all_versions_search_with_pre(script: PipTestEnvironment) -> None:
     )
 
 
+@pytest.mark.enable_socket
 @pytest.mark.network
 def test_list_all_versions_returns_no_matches_found_when_name_not_exact() -> None:
     """
@@ -63,6 +64,7 @@ def test_list_all_versions_returns_no_matches_found_when_name_not_exact() -> Non
     assert status == ERROR
 
 
+@pytest.mark.enable_socket
 @pytest.mark.network
 def test_list_all_versions_returns_matches_found_when_name_is_exact() -> None:
     """
diff --git a/tests/unit/test_network_lazy_wheel.py b/tests/unit/test_network_lazy_wheel.py
index 5d97e9e3202..5156fe13e8a 100644
--- a/tests/unit/test_network_lazy_wheel.py
+++ b/tests/unit/test_network_lazy_wheel.py
@@ -42,6 +42,7 @@ def mypy_whl_no_range(mock_server: MockServer, shared_data: TestData) -> Iterato
     mock_server.stop()
 
 
+@pytest.mark.enable_socket
 @pytest.mark.network
 def test_dist_from_wheel_url(session: PipSession) -> None:
     """Test if the acquired distribution contain correct information."""
@@ -53,6 +54,7 @@ def test_dist_from_wheel_url(session: PipSession) -> None:
     assert {str(d) for d in dist.iter_dependencies(extras)} == MYPY_0_782_REQS
 
 
+@pytest.mark.enable_socket
 def test_dist_from_wheel_url_no_range(
     session: PipSession, mypy_whl_no_range: str
 ) -> None:
@@ -61,6 +63,7 @@ def test_dist_from_wheel_url_no_range(
         dist_from_wheel_url("mypy", mypy_whl_no_range, session)
 
 
+@pytest.mark.enable_socket
 @pytest.mark.network
 def test_dist_from_wheel_url_not_zip(session: PipSession) -> None:
     """Test handling with the given URL does not point to a ZIP."""
diff --git a/tests/unit/test_network_session.py b/tests/unit/test_network_session.py
index fd00d5c606c..ebf0149c664 100644
--- a/tests/unit/test_network_session.py
+++ b/tests/unit/test_network_session.py
@@ -255,6 +255,7 @@ def warning(self, *args: Any, **kwargs: Any) -> None:
         assert actual_level == "WARNING"
         assert "is not a trusted or secure host" in actual_message
 
+    @pytest.mark.enable_socket
     @pytest.mark.network
     def test_proxy(self, proxy: Optional[str]) -> None:
         session = PipSession(trusted_hosts=[])
diff --git a/tests/unit/test_req.py b/tests/unit/test_req.py
index e243a718725..dfcf9ab3e8e 100644
--- a/tests/unit/test_req.py
+++ b/tests/unit/test_req.py
@@ -365,6 +365,7 @@ def test_download_info_find_links(self, data: TestData) -> None:
             assert isinstance(req.download_info.info, ArchiveInfo)
             assert req.download_info.info.hash
 
+    @pytest.mark.enable_socket
     @pytest.mark.network
     def test_download_info_index_url(self) -> None:
         """Test that download_info is set for requirements via index."""
@@ -377,6 +378,7 @@ def test_download_info_index_url(self) -> None:
             assert req.download_info
             assert isinstance(req.download_info.info, ArchiveInfo)
 
+    @pytest.mark.enable_socket
     @pytest.mark.network
     def test_download_info_web_archive(self) -> None:
         """Test that download_info is set for requirements from a web archive."""
diff --git a/tests/unit/test_req_file.py b/tests/unit/test_req_file.py
index 1cc030681db..ae02fad1ed5 100644
--- a/tests/unit/test_req_file.py
+++ b/tests/unit/test_req_file.py
@@ -725,6 +725,7 @@ def test_variant5(
 class TestParseRequirements:
     """tests for `parse_reqfile`"""
 
+    @pytest.mark.enable_socket
     @pytest.mark.network
     def test_remote_reqs_parse(self) -> None:
         """