A small Readme.

README.md

@@ -1,6 +1,35 @@
 # Re2o firewall with nftables
 
-dependencies :
+This script creates a firewall from Re2o information using nftables.
+
+# What it does :
+	
+	- Fetch mac-ip table from re2o and filter traffic from the adherent NAT with it;
+	- Create a NAT table for FedeRez and Adherent, and NAT the admin and prerezotage VLANs properly.
+
+# What it does not do (yet) :
+
+	- Fetch opened ports on Re2o and filter traffic with these infos.
+
+# Install :
+
+```
+cd /usr/local/
+git clone --recursive https://gitlab.rezometz.org/klafyvel/firewall.git
+apt install python3 python3-click python3-iso8601
+cp config.ini.example config.ini
+vim config.ini
+chmod +x main.py
+cp firewall.service /etc/systemd/system/
+systemctl start firewall.service
+echo "* * * * * root /usr/bin/python3 main.py macip 2>&1 | /usr/bin/logger -t firewall" >> /etc/cron.d/firewall
+```
+
+# Usage :
+
+See `./main.py --help`.
+
+# Dependencies :
 
 	- re2oapi
 	- python3-click

firewall.service

@@ -1,5 +1,5 @@
 [Unit]
-Description=RezoMetz Firewall Service
+Description=Re2o Firewall Service
 After=network.target
 
 [Service]