diff --git a/Dockerfile b/Dockerfile
index a04d23b..f829356 100755
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,12 @@
 #Building main conteiner
 FROM python:slim-buster
 
-RUN apt-get update && apt-get -y install build-essential libboost-system-dev libboost-thread-dev libpcre2-dev git
+RUN apt-get update && apt-get -y install build-essential libpcre2-dev python-dev git iptables libnetfilter-queue-dev
 
 WORKDIR /tmp/
-RUN git clone --branch release https://github.com/jpcre2/jpcre2
-WORKDIR /tmp/jpcre2
-RUN ./configure; make; make install
+RUN git clone https://github.com/gpfei/python-pcre2.git
+WORKDIR /tmp/python-pcre2/
+RUN python3 setup.py install
 WORKDIR /
 
 RUN mkdir /execute
@@ -15,16 +15,9 @@ WORKDIR /execute
 ADD ./backend/requirements.txt /execute/requirements.txt
 RUN pip install --no-cache-dir -r /execute/requirements.txt
 
-ARG GCC_PARAMS
-RUN mkdir proxy
-ADD ./backend/proxy/proxy.cpp /execute/proxy/proxy.cpp
-RUN c++ -O3 -march=native $GCC_PARAMS -o proxy/proxy proxy/proxy.cpp -pthread -lboost_system -lboost_thread -lpcre2-8
-
 COPY ./backend/ /execute/
 COPY ./frontend/build/ ./frontend/
 
-RUN chmod ug+x /execute/proxy/proxy 
-
 ENTRYPOINT ["python3", "app.py", "DOCKER"]
 
 
diff --git a/backend/requirements.txt b/backend/requirements.txt
index 649a99d..9ab6b99 100755
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -2,4 +2,5 @@ fastapi[all]
 httpx
 uvicorn[standard]
 passlib[bcrypt]
-python-jose[cryptography]
\ No newline at end of file
+python-jose[cryptography]
+NetfilterQueue
diff --git a/start.py b/start.py
index 1b5bb7d..6f07dbf 100755
--- a/start.py
+++ b/start.py
@@ -22,8 +22,6 @@ def sep(): puts("-----------------------------------", is_bold=True)
 parser = argparse.ArgumentParser()
 parser.add_argument('--port', "-p", type=int, required=False, help='Port where open the web service of the firewall', default=4444)
 parser.add_argument('--no-autostart', "-n", required=False, action="store_true", help='Auto-execute "docker-compose up -d --build"', default=False)
-parser.add_argument('--single-thread', "-s", required=False, action="store_true", help='Disable multi-threaded proxy"', default=False)
-parser.add_argument('--thread-num', "-t", type=int, required=False, help='Number of threads to use', default=None)
 
 args = parser.parse_args()
 sep()
@@ -33,8 +31,6 @@ puts(f"{args.port}", color=colors.cyan)
 
 os.chdir(os.path.dirname(os.path.realpath(__file__)))
 
-gcc_params = "-D MULTI_THREAD" if not args.single_thread else ""
-gcc_params+= f" -D THREAD_NUM={args.thread_num}" if args.thread_num else ""
 with open("docker-compose.yml","wt") as compose:
 
     if "linux" in sys.platform and not 'microsoft-standard' in platform.uname().release: #Check if not is a wsl also
@@ -44,15 +40,14 @@ version: '3.9'
 services:
     firewall:
         restart: unless-stopped
-        build: 
-            context: .
-            args:
-                - GCC_PARAMS={gcc_params}
+        build: .
         network_mode: "host"
         environment:
             - PORT={args.port}
         volumes:
             - /execute/db
+        cap_add:
+            - NET_ADMIN
 """)
         #print("Done! You can start firegex with docker-compose up -d --build")
     else:
@@ -65,10 +60,7 @@ version: '3.9'
 services:
     firewall:
         restart: unless-stopped
-        build: 
-            context: .
-            args:
-                - GCC_PARAMS={gcc_params}
+        build: .
         ports:
             - {args.port}:{args.port}
         environment:
@@ -78,6 +70,8 @@ services:
             - /execute/db
         extra_hosts:
             - host.docker.internal:host-gateway
+        cap_add:
+            - NET_ADMIN
 """)
         #
 sep()