![]() ![]() Also, if you have IPv6 enabled on your server, you can allow ICMPv6 requests, for this, repeat the steps, but for the ICMPv4 protocol location, select ICMPv6.Ĭonfiguration of windows firewall have been comleted. ).Īt the next step, you can select which networks are allowed queries, and the last steps are the same as when configuring ports. In the protocols we select ICMPv4, if desired, you can select which requests are allowed (the Customize button. Next, we choose that the rule would apply to all programs. To open ICMP, you need to create a new rule and in the first step select Custom. In order to open UDP ports, you need to do all the same, only on the second step we select for the TCP - UDP space. In the next step, select to which profiles the rule will apply, I chose Public, because I set these rules for the external network.Īt the last step, we give the name to the rule. ![]() Select TCP to enter comma-separated ports that must be opened, possibly using ranges through a dash. ![]() In order to open TCP ports we add a new rule, select port, click next. Also, if desired, you can open the ICMP protocol, which would allow pings to our server. For DNS, it is also necessary to open UDP port 53. If the rules are not enabled, click on Actions > Enable Rule. ![]() For FTP, HTTP, HTTPS, DNS - open the TCP ports 20, 21, 53, 80, 443 and the range of ports specified in the previous step. Go to Control Panel > System and Security > Windows Defender Firewall > Advanced Settings > Inbound Rules and locate three FTP server rules. We go to our server, go to the IIS manager, we go to the Firewall FTP support point on the server's main page.Īnd in it we specify the range of the data channel ports.Īfter that, go to inbound rules, in the advanced setting of Windows Firewall. There is nothing supernatural in this procedure, except that it will be necessary in IIS Manager to configure the port range for the passive mode of the FTP server. If you have any more questions, don’t hesitate to leave a comment down below.In this article, I'll show you how to configure Windows Firewall for a server that hosts sites and FTP, as well as DNS. You might also want to check out our articles on solving FTP issues like solving error 421 – too many connections and ECONNREFUSED. Some routers and firewalls block FTP port 21 due to security reasons, so it’s essential to check the port’s connection before performing the File Transfer Protocol. If you happen to have an FTP connection issue, it’s essential to verify whether or not there’s a blockage in port 21. Unfortunately, some routers and firewalls block this port because hackers often target FTP servers via port 21. An FTP client cannot perform the protocol if it fails to connect to the FTP ports. In order to work correctly, FTP must use two ports - port 21 for command and control, and port 20 for data transport. What Is FTP Port 21?įTP is an internet protocol that allows computers within the network to exchange files in bulk. In the new dialog box, check the Telnet Client box and click OK. On the left panel, select Turn Windows features on or off.ģ. Most homes and offices have some sort of NAT which is going to completely. Navigate to Programs → Programs and Features. In the most common scenario, where the ftp server is behind NAT (firewall. Press the Window+R keys together, then enter control to open up your Control Panel.Ģ. In this example, we’ll be showing how to enable Telnet Client on Windows:ġ. In this case, it will help us test the connectivity to FTP port 21. Telnet is a client-server protocol that enables remote control over computers. Since we’re be using a Telnet command to check the connection, you need to ensure that your operating system has Telnet Client enabled. If that’s the case, we recommend you to contact your ISP to open the port.
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