Your web hosting provider would be the one to know those details. Usually supplied in a welcome email or something, you can also setup a new user/reset any existing user if you have access to a control panel.
Your web hosting provider would be the one to know those details. Usually supplied in a welcome email or something, you can also setup a new user/reset any existing user if you have access to a control panel.
If you can get into the control panel, it is very likely the same username/password. This will almost definitely be the case if you are using cPanel. Port will be 21 for standard FTP. As far as the host, it will normally be your domain name, the name of the server (i.e. server.host.com) or the IP address your website is on. You can find that by doing a traceroute to your domain name.