diff --git a/proxy/CMakeLists.txt b/proxy/CMakeLists.txt
index a676f2f..b72acee 100644
--- a/proxy/CMakeLists.txt
+++ b/proxy/CMakeLists.txt
@@ -31,6 +31,7 @@ add_executable(hood_proxy
   src/network.cpp src/tls_security_policy.cpp src/tls_check_certificate.cpp src/tls_check_certificate_worker.cpp
   src/name_service_client.cpp
 )
+set_property(TARGET hood_proxy PROPERTY POSITION_INDEPENDENT_CODE TRUE)
 
 if(MSVC)
   target_compile_options(hood_proxy PRIVATE /W4 /WX)
@@ -38,4 +39,5 @@ else()
   target_compile_options(hood_proxy PRIVATE -Wall -Wextra -Werror -fstack-protector)
 endif()
 
+
 target_link_libraries( hood_proxy ${Boost_LIBRARIES} pthread ${OPENSSL_LIBRARIES} )
diff --git a/proxy/build.sh b/proxy/build.sh
index ce77f82..1019a9f 100755
--- a/proxy/build.sh
+++ b/proxy/build.sh
@@ -18,5 +18,5 @@ done
 mkdir -p $script_dir/build/$type/$arch
 cd $script_dir/build/$type/$arch
 
-cmake -DCMAKE_BUILD_TYPE=$type -DOPENSSL_ROOT_DIR=$script_dir/libs/$system/$arch/openssl -DBOOST_ROOT=$script_dir/libs/$system/$arch/boost ..
+cmake -DCMAKE_BUILD_TYPE=$type -DOPENSSL_ROOT_DIR=$script_dir/libs/$system/$arch/openssl -DBOOST_ROOT=$script_dir/libs/$system/$arch/boost $script_dir
 make -j $(nproc --all)
diff --git a/proxy/install_dependencies_debian.sh b/proxy/install_dependencies_debian.sh
index 0a1428f..c03c11a 100755
--- a/proxy/install_dependencies_debian.sh
+++ b/proxy/install_dependencies_debian.sh
@@ -33,20 +33,24 @@ fi
 
 export TAR_OPTIONS=--no-same-owner
 
-echo "Downloading openssl."
-openssl_src=$(curl -s https://www.openssl.org/source/|grep "tar.gz</a"|tail -n 1|sed -r -e "s/.*gz\">([^<]*).*/\1/")
-curl -L -O -C - https://www.openssl.org/source/$openssl_src
-echo "Extracting openssl."
-tar -xmf $openssl_src
-openssl_src=$(echo $openssl_src |sed "s/.......$//")
-cd $openssl_src
-install_dir=../$(uname -s)/$arch/openssl
-mkdir -p $install_dir
-install_dir=$(realpath $install_dir)
-./Configure no-ssl2 no-ssl3 no-shared no-weak-ssl-ciphers no-rc2 no-rc4 no-md2 no-md4 no-des no-unit-test no-apps --prefix=$install_dir
-make -j ${HOOD_PROXY_BUILD_CONCURRENCY}
-make install_sw
-cd ..
+if [ -d ./$(uname -s)/$arch/openssl ] ; then
+  echo "${BOOST_FILE_NAME} already installed."
+else
+  echo "Downloading openssl."
+  openssl_src=$(curl -s https://www.openssl.org/source/|grep "tar.gz</a"|tail -n 1|sed -r -e "s/.*gz\">([^<]*).*/\1/")
+  curl -L -O -C - https://www.openssl.org/source/$openssl_src
+  echo "Extracting openssl."
+  tar -xmf $openssl_src
+  openssl_src=$(echo $openssl_src |sed "s/.......$//")
+  cd $openssl_src
+  install_dir=../$(uname -s)/$arch/openssl
+  mkdir -p $install_dir
+  install_dir=$(realpath $install_dir)
+  ./Configure no-ssl2 no-ssl3 no-shared no-weak-ssl-ciphers no-rc2 no-rc4 no-md2 no-md4 no-des no-unit-test no-apps --prefix=$install_dir
+  make -j ${HOOD_PROXY_BUILD_CONCURRENCY}
+  make install_sw
+  cd ..
+fi
 
 # ---- begin code copied and modified from carla Simulator which is MIT License
 # ==============================================================================
@@ -56,7 +60,7 @@ cd ..
 BOOST_VERSION="1.84.0"
 BOOST_FILE_NAME=$(echo boost_$BOOST_VERSION|tr '.' '_')
 
-if [ -d /$(uname -s)/$arch/boost ] ; then
+if [ -d ./$(uname -s)/$arch/boost ] ; then
   echo "${BOOST_FILE_NAME} already installed."
 else
   if [ ! -d "${BOOST_FILE_NAME}-source" ]; then
@@ -68,9 +72,8 @@ else
     tar -xmf $BOOST_FILE_NAME.tar.gz --exclude "libs" --exclude "doc" --exclude "example" --exclude "test"
     tar -xmf $BOOST_FILE_NAME.tar.gz --exclude "test" --exclude "example" --exclude "doc" ${BOOST_FILE_NAME}/libs/
     mkdir -p $(uname -s)/$arch/boost/include
-    mv ${BOOST_FILE_NAME} ${BOOST_FILE_NAME}-source
   fi
-  cd ${BOOST_FILE_NAME}-source
+  cd ${BOOST_FILE_NAME}
 
   if [ ! -f "b2" ] ; then
     ./bootstrap.sh --prefix="../$(uname -s)/$arch/boost"
diff --git a/scripts/hood_proxy_x64 b/scripts/hood_proxy_x64
index b37077f..eca0556 100644
Binary files a/scripts/hood_proxy_x64 and b/scripts/hood_proxy_x64 differ