ddobric/OwinFirewallv1.0.1

provides a very simple IP blocking mechanism for ASP.NET Core applications. public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory) { loggerFactory.AddConsole(Configuration.GetSection("Logging")); loggerFactory.AddDebug(); app.UseOwinFirewall(new Daenet.Owin.OwinFirewallOptions(new List<string>() { "81.207.142.79", "::1", "localhost", "222.111.228.225/27" })); app.UseMvc(); }