IPBan Monitors failed logins and bans ip addresses on Windows, Linux and MAC. Highly configurable, lean and powerful. Download binaries here: -->
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README.md

IPBan Service

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Instructions

Windows

  • For Windows, IPBan is supported on Windows Server 2008 or equivelant or newer. Windows XP and Server 2003 are NOT supported.
  • Extract the IPBan.zip (inside is IPBanWindows.zip) file to a place on your computer. Right click on all the extracted files and select properties. Make sure to select "unblock" if the option is available.
  • You MUST make this change to the local security policy to ensure ip addresses show up: Change Local Security Policy -> Local Policies -> Audit Policy and turn failure logging on for "audit account logon events" and "audit logon events". From an admin command prompt:
auditpol /set /category:"Logon/Logoff" /success:enable /failure:enable
auditpol /set /category:"Account Logon" /success:enable /failure:enable
  • For Windows Server 2008 or equivelant, you should disable NTLM logins and only allow NTLM2 logins. On Windows Server 2008, there is no way to get the ip address of NTLM logins. Use secpol -> local policies -> security options -> network security restrict ntlm incoming ntlm traffic -> deny all accounts.
  • To run as a Windows service run "sc create IPBAN type= own start= auto binPath= c:\path\to\service\IPBan.exe DisplayName= IPBAN". The service needs file system, event viewer and firewall access, so please run as SYSTEM to ensure permissions.
  • To run as a console app, simply run IPBan.exe and watch console output.
  • If you want to run and debug code in Visual Studio, make sure to run Visual Studio as administrator. Visual Studio 2017 or newer is required, along with .net core 2.1.1. Community edition is free.
  • On some Windows versions, NLA will default to on. This will lock you out of remote desktop, so make sure to turn this option off.

Linux

  • IPBan is currently supported on ubuntu 16.X - 18.X. For other Linux or MAC, you may need to adjust some of the instructions and add config file entries for the appropriate log files to parse.
  • SSH into your server as root. If using another admin account name, substitute all root user instances with your account name.
  • Install dependencies:
sudo apt-get install iptables
sudo apt-get install ipset
sudo apt-get install vsftpd
sudo apt-get update
  • mkdir /root/IPBan
  • Extract the IPBan.zip file (inside is IPBanLinux.zip) folder and use ftp to copy files to /root/IPBan
  • chmod +x ./root/IPBan/IPBan (makes sure the IPBan executable has execute permissions)
  • Create service:
sudo nano /lib/systemd/system/IPBan.service
  • Paste in these contents:
[Unit]
Description=IPBan Service
After=network.target

[Service]
ExecStart=/root/IPBan/IPBan
Restart=on-failure

[Install]
WantedBy=multi-user.target
  • Save service file (Ctrl-X)
  • Start the service:
sudo systemctl daemon-reload 
sudo systemctl enable IPBan
sudo systemctl start IPBan
systemctl status IPBan

About Me

I'm Jeff Johnson and I created IPBan to block hackers out because Windows (and Linux quite frankly) does a horrible job of this by default and performance suffers as hackers try to breach your remote desktop or SSH. IPBan gets them in the block rule of the firewall where they belong.

Please visit http://www.digitalruby.com/securing-your-windows-dedicated-server/ for more information about this program.

I do consulting and contracting if you need extra customizations for this software.

Donations are accepted, any amount is appreciated, I work on this project for free to benefit the world.

Donate

Jeff Johnson, CEO/CTO
Digital Ruby, LLC
http://www.digitalruby.com
support@digitalruby.com