diff --git a/BUILD b/BUILD
index 8a6d7fdc0a611c6f6407bfdd09b856da98896113..63cfe02c476b82d1be4ac8852da264356381a059 100644
--- a/BUILD
+++ b/BUILD
@@ -288,6 +288,7 @@ cc_library(
     "src/core/ext/client_config/client_channel_factory.h",
     "src/core/ext/client_config/client_config.h",
     "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/http_connect_handshaker.h",
     "src/core/ext/client_config/initial_connect_string.h",
     "src/core/ext/client_config/lb_policy.h",
     "src/core/ext/client_config/lb_policy_factory.h",
@@ -460,6 +461,7 @@ cc_library(
     "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/http_connect_handshaker.c",
     "src/core/ext/client_config/initial_connect_string.c",
     "src/core/ext/client_config/lb_policy.c",
     "src/core/ext/client_config/lb_policy_factory.c",
@@ -654,6 +656,7 @@ cc_library(
     "src/core/ext/client_config/client_channel_factory.h",
     "src/core/ext/client_config/client_config.h",
     "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/http_connect_handshaker.h",
     "src/core/ext/client_config/initial_connect_string.h",
     "src/core/ext/client_config/lb_policy.h",
     "src/core/ext/client_config/lb_policy_factory.h",
@@ -813,6 +816,7 @@ cc_library(
     "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/http_connect_handshaker.c",
     "src/core/ext/client_config/initial_connect_string.c",
     "src/core/ext/client_config/lb_policy.c",
     "src/core/ext/client_config/lb_policy_factory.c",
@@ -1007,6 +1011,7 @@ cc_library(
     "src/core/ext/client_config/client_channel_factory.h",
     "src/core/ext/client_config/client_config.h",
     "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/http_connect_handshaker.h",
     "src/core/ext/client_config/initial_connect_string.h",
     "src/core/ext/client_config/lb_policy.h",
     "src/core/ext/client_config/lb_policy_factory.h",
@@ -1154,6 +1159,7 @@ cc_library(
     "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/http_connect_handshaker.c",
     "src/core/ext/client_config/initial_connect_string.c",
     "src/core/ext/client_config/lb_policy.c",
     "src/core/ext/client_config/lb_policy_factory.c",
@@ -1940,6 +1946,7 @@ objc_library(
     "src/core/ext/client_config/client_config_plugin.c",
     "src/core/ext/client_config/connector.c",
     "src/core/ext/client_config/default_initial_connect_string.c",
+    "src/core/ext/client_config/http_connect_handshaker.c",
     "src/core/ext/client_config/initial_connect_string.c",
     "src/core/ext/client_config/lb_policy.c",
     "src/core/ext/client_config/lb_policy_factory.c",
@@ -2136,6 +2143,7 @@ objc_library(
     "src/core/ext/client_config/client_channel_factory.h",
     "src/core/ext/client_config/client_config.h",
     "src/core/ext/client_config/connector.h",
+    "src/core/ext/client_config/http_connect_handshaker.h",
     "src/core/ext/client_config/initial_connect_string.h",
     "src/core/ext/client_config/lb_policy.h",
     "src/core/ext/client_config/lb_policy_factory.h",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1f647e0a988d70c317ac45d1e8321cdf945d4e72..e4ec40ca1a815125c678a4d04137d30c2e8a4d3e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -282,6 +282,7 @@ add_library(grpc
   src/core/ext/client_config/client_config_plugin.c
   src/core/ext/client_config/connector.c
   src/core/ext/client_config/default_initial_connect_string.c
+  src/core/ext/client_config/http_connect_handshaker.c
   src/core/ext/client_config/initial_connect_string.c
   src/core/ext/client_config/lb_policy.c
   src/core/ext/client_config/lb_policy_factory.c
@@ -462,6 +463,7 @@ add_library(grpc_cronet
   src/core/ext/client_config/client_config_plugin.c
   src/core/ext/client_config/connector.c
   src/core/ext/client_config/default_initial_connect_string.c
+  src/core/ext/client_config/http_connect_handshaker.c
   src/core/ext/client_config/initial_connect_string.c
   src/core/ext/client_config/lb_policy.c
   src/core/ext/client_config/lb_policy_factory.c
@@ -645,6 +647,7 @@ add_library(grpc_unsecure
   src/core/ext/client_config/client_config_plugin.c
   src/core/ext/client_config/connector.c
   src/core/ext/client_config/default_initial_connect_string.c
+  src/core/ext/client_config/http_connect_handshaker.c
   src/core/ext/client_config/initial_connect_string.c
   src/core/ext/client_config/lb_policy.c
   src/core/ext/client_config/lb_policy_factory.c
diff --git a/Makefile b/Makefile
index 6c149062dbb4c8fd0b31ef3ebbfaf5b5321095e5..7e3c4bfdb530eca98b9a4e9d9f58ce2711fe0c6e 100644
--- a/Makefile
+++ b/Makefile
@@ -2618,6 +2618,7 @@ LIBGRPC_SRC = \
     src/core/ext/client_config/client_config_plugin.c \
     src/core/ext/client_config/connector.c \
     src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/http_connect_handshaker.c \
     src/core/ext/client_config/initial_connect_string.c \
     src/core/ext/client_config/lb_policy.c \
     src/core/ext/client_config/lb_policy_factory.c \
@@ -2865,6 +2866,7 @@ LIBGRPC_CRONET_SRC = \
     src/core/ext/client_config/client_config_plugin.c \
     src/core/ext/client_config/connector.c \
     src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/http_connect_handshaker.c \
     src/core/ext/client_config/initial_connect_string.c \
     src/core/ext/client_config/lb_policy.c \
     src/core/ext/client_config/lb_policy_factory.c \
@@ -3207,6 +3209,7 @@ LIBGRPC_UNSECURE_SRC = \
     src/core/ext/client_config/client_config_plugin.c \
     src/core/ext/client_config/connector.c \
     src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/http_connect_handshaker.c \
     src/core/ext/client_config/initial_connect_string.c \
     src/core/ext/client_config/lb_policy.c \
     src/core/ext/client_config/lb_policy_factory.c \
diff --git a/binding.gyp b/binding.gyp
index 1dd7ee95555d552324e46379dc68f37ec5777690..4fd27256ad8630e3f8820b993b2ef71c7fa4cb27 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -711,6 +711,7 @@
         'src/core/ext/client_config/client_config_plugin.c',
         'src/core/ext/client_config/connector.c',
         'src/core/ext/client_config/default_initial_connect_string.c',
+        'src/core/ext/client_config/http_connect_handshaker.c',
         'src/core/ext/client_config/initial_connect_string.c',
         'src/core/ext/client_config/lb_policy.c',
         'src/core/ext/client_config/lb_policy_factory.c',
diff --git a/build.yaml b/build.yaml
index a8e0c6a896f12601f240f931d729a9c65e21d790..1bbcc1e29d8d91c2adcc10abc0a93daa7a167b16 100644
--- a/build.yaml
+++ b/build.yaml
@@ -328,6 +328,7 @@ filegroups:
   - src/core/ext/client_config/client_channel_factory.h
   - src/core/ext/client_config/client_config.h
   - src/core/ext/client_config/connector.h
+  - src/core/ext/client_config/http_connect_handshaker.h
   - src/core/ext/client_config/initial_connect_string.h
   - src/core/ext/client_config/lb_policy.h
   - src/core/ext/client_config/lb_policy_factory.h
@@ -348,6 +349,7 @@ filegroups:
   - src/core/ext/client_config/client_config_plugin.c
   - src/core/ext/client_config/connector.c
   - src/core/ext/client_config/default_initial_connect_string.c
+  - src/core/ext/client_config/http_connect_handshaker.c
   - src/core/ext/client_config/initial_connect_string.c
   - src/core/ext/client_config/lb_policy.c
   - src/core/ext/client_config/lb_policy_factory.c
diff --git a/config.m4 b/config.m4
index e4e410884d02be8d37316d69c8d79feb3be5a50b..8ef95c07e29481b5b8d41fc8e49f8f1b69582887 100644
--- a/config.m4
+++ b/config.m4
@@ -230,6 +230,7 @@ if test "$PHP_GRPC" != "no"; then
     src/core/ext/client_config/client_config_plugin.c \
     src/core/ext/client_config/connector.c \
     src/core/ext/client_config/default_initial_connect_string.c \
+    src/core/ext/client_config/http_connect_handshaker.c \
     src/core/ext/client_config/initial_connect_string.c \
     src/core/ext/client_config/lb_policy.c \
     src/core/ext/client_config/lb_policy_factory.c \
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index 5535f4bff640ebbba49276fb371c6a5f28dd8ef5..7a742ea21ccbbba41d4a4edc6610406b2b51472d 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -381,6 +381,7 @@ Pod::Spec.new do |s|
                       'src/core/ext/client_config/client_channel_factory.h',
                       'src/core/ext/client_config/client_config.h',
                       'src/core/ext/client_config/connector.h',
+                      'src/core/ext/client_config/http_connect_handshaker.h',
                       'src/core/ext/client_config/initial_connect_string.h',
                       'src/core/ext/client_config/lb_policy.h',
                       'src/core/ext/client_config/lb_policy_factory.h',
@@ -557,6 +558,7 @@ Pod::Spec.new do |s|
                       'src/core/ext/client_config/client_config_plugin.c',
                       'src/core/ext/client_config/connector.c',
                       'src/core/ext/client_config/default_initial_connect_string.c',
+                      'src/core/ext/client_config/http_connect_handshaker.c',
                       'src/core/ext/client_config/initial_connect_string.c',
                       'src/core/ext/client_config/lb_policy.c',
                       'src/core/ext/client_config/lb_policy_factory.c',
@@ -736,6 +738,7 @@ Pod::Spec.new do |s|
                               'src/core/ext/client_config/client_channel_factory.h',
                               'src/core/ext/client_config/client_config.h',
                               'src/core/ext/client_config/connector.h',
+                              'src/core/ext/client_config/http_connect_handshaker.h',
                               'src/core/ext/client_config/initial_connect_string.h',
                               'src/core/ext/client_config/lb_policy.h',
                               'src/core/ext/client_config/lb_policy_factory.h',
diff --git a/grpc.gemspec b/grpc.gemspec
index 6b8beba9078080d67fc6592775654fcebd4beaf9..8bb9c1c894651a79937e00ed7ab4d0423858f041 100755
--- a/grpc.gemspec
+++ b/grpc.gemspec
@@ -300,6 +300,7 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/ext/client_config/client_channel_factory.h )
   s.files += %w( src/core/ext/client_config/client_config.h )
   s.files += %w( src/core/ext/client_config/connector.h )
+  s.files += %w( src/core/ext/client_config/http_connect_handshaker.h )
   s.files += %w( src/core/ext/client_config/initial_connect_string.h )
   s.files += %w( src/core/ext/client_config/lb_policy.h )
   s.files += %w( src/core/ext/client_config/lb_policy_factory.h )
@@ -476,6 +477,7 @@ Gem::Specification.new do |s|
   s.files += %w( src/core/ext/client_config/client_config_plugin.c )
   s.files += %w( src/core/ext/client_config/connector.c )
   s.files += %w( src/core/ext/client_config/default_initial_connect_string.c )
+  s.files += %w( src/core/ext/client_config/http_connect_handshaker.c )
   s.files += %w( src/core/ext/client_config/initial_connect_string.c )
   s.files += %w( src/core/ext/client_config/lb_policy.c )
   s.files += %w( src/core/ext/client_config/lb_policy_factory.c )
diff --git a/package.xml b/package.xml
index 23241a0d64ae68db2aafcfc03d24e392cd44aea6..4a73c1c207ed6ef639e497d2efbd3e609e43eb3b 100644
--- a/package.xml
+++ b/package.xml
@@ -308,6 +308,7 @@
     <file baseinstalldir="/" name="src/core/ext/client_config/client_channel_factory.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/client_config.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/connector.h" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/http_connect_handshaker.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/initial_connect_string.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_factory.h" role="src" />
@@ -484,6 +485,7 @@
     <file baseinstalldir="/" name="src/core/ext/client_config/client_config_plugin.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/connector.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/default_initial_connect_string.c" role="src" />
+    <file baseinstalldir="/" name="src/core/ext/client_config/http_connect_handshaker.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/initial_connect_string.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy.c" role="src" />
     <file baseinstalldir="/" name="src/core/ext/client_config/lb_policy_factory.c" role="src" />
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index fc0908b2f1b4e7ac6aef2be52ea8c37ef797ba8f..283792d57d094b75e921d94aabab5fc902db0bf2 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -224,6 +224,7 @@ CORE_SOURCE_FILES = [
   'src/core/ext/client_config/client_config_plugin.c',
   'src/core/ext/client_config/connector.c',
   'src/core/ext/client_config/default_initial_connect_string.c',
+  'src/core/ext/client_config/http_connect_handshaker.c',
   'src/core/ext/client_config/initial_connect_string.c',
   'src/core/ext/client_config/lb_policy.c',
   'src/core/ext/client_config/lb_policy_factory.c',
diff --git a/tools/doxygen/Doxyfile.core.internal b/tools/doxygen/Doxyfile.core.internal
index 62cf5cc8c7ae142363e55e15b79e05c87cba5e31..54c31b1428e06d1d3d2bfa35c8defcbdd10768f2 100644
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@@ -919,6 +919,7 @@ src/core/ext/client_config/client_channel.h \
 src/core/ext/client_config/client_channel_factory.h \
 src/core/ext/client_config/client_config.h \
 src/core/ext/client_config/connector.h \
+src/core/ext/client_config/http_connect_handshaker.h \
 src/core/ext/client_config/initial_connect_string.h \
 src/core/ext/client_config/lb_policy.h \
 src/core/ext/client_config/lb_policy_factory.h \
@@ -1095,6 +1096,7 @@ src/core/ext/client_config/client_config.c \
 src/core/ext/client_config/client_config_plugin.c \
 src/core/ext/client_config/connector.c \
 src/core/ext/client_config/default_initial_connect_string.c \
+src/core/ext/client_config/http_connect_handshaker.c \
 src/core/ext/client_config/initial_connect_string.c \
 src/core/ext/client_config/lb_policy.c \
 src/core/ext/client_config/lb_policy_factory.c \
diff --git a/tools/run_tests/sources_and_headers.json b/tools/run_tests/sources_and_headers.json
index 2d8264d6c82db270e2862a6a6af7fab88d2bf561..9ef1f0605d7dfa546fb2ba4fd0ee73f519879c76 100644
--- a/tools/run_tests/sources_and_headers.json
+++ b/tools/run_tests/sources_and_headers.json
@@ -5960,6 +5960,7 @@
       "src/core/ext/client_config/client_channel_factory.h", 
       "src/core/ext/client_config/client_config.h", 
       "src/core/ext/client_config/connector.h", 
+      "src/core/ext/client_config/http_connect_handshaker.h", 
       "src/core/ext/client_config/initial_connect_string.h", 
       "src/core/ext/client_config/lb_policy.h", 
       "src/core/ext/client_config/lb_policy_factory.h", 
@@ -5987,6 +5988,8 @@
       "src/core/ext/client_config/connector.c", 
       "src/core/ext/client_config/connector.h", 
       "src/core/ext/client_config/default_initial_connect_string.c", 
+      "src/core/ext/client_config/http_connect_handshaker.c", 
+      "src/core/ext/client_config/http_connect_handshaker.h", 
       "src/core/ext/client_config/initial_connect_string.c", 
       "src/core/ext/client_config/initial_connect_string.h", 
       "src/core/ext/client_config/lb_policy.c", 
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj b/vsprojects/vcxproj/grpc/grpc.vcxproj
index 33485d3dc919f36d0dbdcf89eec6bf17bae01ea1..88730cc50f9988ef713239f99ae160aff25cc3c8 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@@ -428,6 +428,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.h" />
@@ -755,6 +756,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
diff --git a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
index a21d873b88f962ff6ca441c63ccbd253ead02843..0199d22e4b9252bcb7561190e9a3371b6aa9ba8d 100644
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@@ -448,6 +448,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
@@ -1043,6 +1046,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h">
       <Filter>src\core\ext\client_config</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h">
       <Filter>src\core\ext\client_config</Filter>
     </ClInclude>
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
index 3a3610d524ddddf831fe608c931acf693a14e5f0..fb3cb0abe57c5ecfda402533ba9f84f9325ad761 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@@ -393,6 +393,7 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_channel_factory.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\client_config.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.h" />
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy_factory.h" />
@@ -670,6 +671,8 @@
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
     </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\lb_policy.c">
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index bec089e860ecd3604bc91b5e89959e33ec71a334..250bab2c8dd59c09b9e1edfaf8f2fa5857cde4f0 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -373,6 +373,9 @@
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\default_initial_connect_string.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.c">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClCompile>
     <ClCompile Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.c">
       <Filter>src\core\ext\client_config</Filter>
     </ClCompile>
@@ -878,6 +881,9 @@
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\connector.h">
       <Filter>src\core\ext\client_config</Filter>
     </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\http_connect_handshaker.h">
+      <Filter>src\core\ext\client_config</Filter>
+    </ClInclude>
     <ClInclude Include="$(SolutionDir)\..\src\core\ext\client_config\initial_connect_string.h">
       <Filter>src\core\ext\client_config</Filter>
     </ClInclude>