Take FTP server as an example, you have to forward port 21 to the LAN IP of Turbo NAS, e.g. forward TCP port 21 to 192.168.1.34. When the NAT router receives packets from the WAN side to the external port 21, the router will forward these packets to the LAN IP of Turbo NAS.
The File Transfer Protocol (FTP) and Your Firewall / Network Address Translation (NAT) Router / Load-Balancing Router The File Transfer Protocol has held up remarkably well over the years. The protocol was first standardized in the early 1970's  decades before most networks were protected by strict firewalls that drop incoming packets first Nov 28, 2016 · To set up FTP access through the Internet: Launch an Internet browser from a computer or wireless device that is connected to the network. Type http://www.routerlogin.net or http://www.routerlogin.com. A login screen displays. Enter the router user name and password. The user name is admin. The Jul 02, 2018 · In the address bar, type the server address using ftp://, and press Enter. For example, ftp://192.168.1.100. Type your account credentials. Check the Save password option. Click the Log on button. Mar 25, 2016 · For your FTP server to be reachable from the internet, you need to configure your router to open TCP/IP port number 21 to allow connections to your PC. The instructions to forward a port will vary
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Enable remote access to web interface of D-Link router. STEP 3. Set up DDNS (Dynamic DNS) account on your router. Go to Dynamic DNS or DDNS settings section and log in to your No-ip or DynDNS account. Usually you are to select the service provider, enter your login, password and hostname (domain name). Here is how to do it on TP-Link router:
How to set up and manage an FTP server on Windows 10
FTP - What Is It and How Do I Use It? Jul 03, 2020 Set up Your Own FTP Server in an Easy Way | QNAP Take FTP server as an example, you have to forward port 21 to the LAN IP of Turbo NAS, e.g. forward TCP port 21 to 192.168.1.34. When the NAT router receives packets from the WAN side to the external port 21, the router will forward these packets to the LAN IP of Turbo NAS. How to set up and use the FTP Server feature on modem Then type in your account to access to the FTP server. Here the IP address of the router is 192.168.1.1. Step 9 You can also access the FTP server by external network. Please type in address ftp://WANIP (The WAN IP Address can be found on the status section ) to access to it.