Method getLocalHostAliases

src/tcpportscanner.ts:384–403

()

    // seem to be true aliases on all systems but ipv4 aliases may or may not be.
    private static localHostAliases: string[] = [];
    protected static getLocalHostAliases(): string[] {
        if (TcpPortScanner.localHostAliases.length === 0) {
            // On Unixes, the two are treated like true aliases but on Windows
            // you can have distint servers on all of them. So, try everything.
            TcpPortScanner.localHostAliases = ['127.0.0.1', '0.0.0.0'];
            const ifaces = os.networkInterfaces();
            Object.keys(ifaces).forEach((ifname) => {
                ifaces[ifname].forEach((iface) => {
                    // Skip external interfaces (VPN tunnels, actual IP, etc). Only want loopbacks
                    if (iface.internal && ('ipv4' === iface.family.toLowerCase())) {
                        if (TcpPortScanner.localHostAliases.indexOf(iface.address) === -1) {
                            TcpPortScanner.localHostAliases.push(iface.address);
                        }
                    }
                });
            });
            // ConsoleLog(aliases.join(','));
        }
        return TcpPortScanner.localHostAliases;
    }

   /**
    * quick/dirty way of figuring out if this is a local host. guaranteed way would have