Owin Firewall NuGet Package

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();
}.