brick_wall_ip_ban is an extension module of Brick Wall.
Communication is blocked according to the IP described in the source code.
import { BrickWall } from 'https://deno.land/x/brick_wall/mod.ts';
import { createHandler } from "https://deno.land/x/brick_wall_static_ip_ban/mod.ts";
const brickWall = new BrickWall({ port: 8001 });
brickWall.useHandler(createHandler(["127.0.0.1"]));
await brickWall.start();