diff --git a/libmproxy/protocol/tcp.py b/libmproxy/protocol/tcp.py
index 57a48ab93..990c502a2 100644
--- a/libmproxy/protocol/tcp.py
+++ b/libmproxy/protocol/tcp.py
@@ -59,11 +59,11 @@ class TCPHandler(ProtocolHandler):
                         # if one of the peers is over SSL, we need to send bytes/strings
                         if not src.ssl_established:  # only ssl to dst, i.e. we revc'd into buf but need bytes/string now.
                             contents = buf[:size].tobytes()
-                        # self.c.log("%s %s\r\n%s" % (direction, dst_str, cleanBin(contents)), "debug")
+                        self.c.log("%s %s\r\n%s" % (direction, dst_str, cleanBin(contents)), "debug")
                         dst.connection.send(contents)
                     else:
                         # socket.socket.send supports raw bytearrays/memoryviews
-                        # self.c.log("%s %s\r\n%s" % (direction, dst_str, cleanBin(buf.tobytes())), "debug")
+                        self.c.log("%s %s\r\n%s" % (direction, dst_str, cleanBin(buf.tobytes())), "debug")
                         dst.connection.send(buf[:size])
         except socket.error as e:
             self.c.log("TCP connection closed unexpectedly.", "debug")
diff --git a/test/test_protocol_http.py b/test/test_protocol_http.py
index c76fa1926..bcbdd5d02 100644
--- a/test/test_protocol_http.py
+++ b/test/test_protocol_http.py
@@ -37,6 +37,19 @@ class TestHTTPRequest:
     def test_origin_form(self):
         s = StringIO("GET /foo\xff HTTP/1.1")
         tutils.raises("Bad HTTP request line", HTTPRequest.from_stream, s)
+        s = StringIO("GET /foo HTTP/1.1\r\nConnection: Upgrade\r\nUpgrade: h2c")
+        r = HTTPRequest.from_stream(s)
+        assert r.headers["Upgrade"] == ["h2c"]
+
+        raw = r._assemble_headers()
+        assert "Upgrade" not in raw
+        assert "Host" not in raw
+
+        r.url = "http://example.com/foo"
+
+        raw = r._assemble_headers()
+        assert "Host" in raw
+
 
     def test_authority_form(self):
         s = StringIO("CONNECT oops-no-port.com HTTP/1.1")
@@ -45,6 +58,7 @@ class TestHTTPRequest:
         r = HTTPRequest.from_stream(s)
         r.scheme, r.host, r.port = "http", "address", 22
         assert r._assemble() == "CONNECT address:22 HTTP/1.1\r\nHost: address:22\r\n\r\n"
+        assert r.pretty_url(False) == "address:22"
 
     def test_absolute_form(self):
         s = StringIO("GET oops-no-protocol.com HTTP/1.1")
@@ -65,6 +79,10 @@ class TestHTTPRequest:
         assert r.port == 42
         assert r.path == "/ORLY"
 
+    def test_repr(self):
+        r = tutils.treq()
+        assert repr(r)
+
 
 class TestHTTPResponse:
     def test_read_from_stringio(self):
@@ -86,6 +104,19 @@ class TestHTTPResponse:
         assert r.content == ""
         tutils.raises("Invalid server response: 'content", HTTPResponse.from_stream, s, "GET")
 
+    def test_repr(self):
+        r = tutils.tresp()
+        assert "unknown content type" in repr(r)
+        r.headers["content-type"] = ["foo"]
+        assert "foo" in repr(r)
+        assert repr(tutils.tresp(content=CONTENT_MISSING))
+
+
+class TestHTTPFlow(object):
+    def test_repr(self):
+        f = tutils.tflow(resp=True, err=True)
+        assert repr(f)
+
 
 class TestInvalidRequests(tservers.HTTPProxTest):
     ssl = True
diff --git a/test/test_protocol_tcp.py b/test/test_protocol_tcp.py
new file mode 100644
index 000000000..7236ee67c
--- /dev/null
+++ b/test/test_protocol_tcp.py
@@ -0,0 +1,2 @@
+class TestTcp:
+    pass
\ No newline at end of file