![]() With SOCKS5, authentication is via CHAP if the proxy supports it, otherwise the password is sent to the proxy in plain text.Username and password authentication is supported for HTTP proxies and SOCKS5 proxies.If WinSCP discovers that it needs a proxy username or password and you have not specified one here, WinSCP will prompt for it interactively in the terminal window.Īuthentication is not fully supported for all forms of proxy: You can enter a username and a password in the User name and Password boxes, which will be used if your proxy requires authentication. The most typical method is USER Autodetect button to autodetect proxy settings. ![]() ![]() The methods differ by sequence of commands needed to instruct the proxy to connect to target host. This could be used, for instance, to talk to some kind of network proxy that WinSCP does not natively support or you could tunnel a connection over something other than TCP/IP entirely.įor FTP protocol set of methods to connect over FTP proxies is supported. This type of proxy is not supported for FTP, WebDAV and S3 protocols. When the session is started, instead of creating a TCP connection, WinSCP runs the specified command, and uses its standard input and output streams. Selecting Local allows you to specify an arbitrary command on the local machine to act as a proxy. Selecting Telnet allows you to tell WinSCP to use this type of proxy, with the precise command specified. Many firewalls implement a less formal type of proxy in which a user can make a Telnet or TCP connection directly to the firewall machine and enter a command such as connect 22 to connect through to an external host. Selecting SOCKS4 or SOCKS5 allows you to proxy your connections through a SOCKS server. Selecting HTTP allows you to proxy your connections through a web server supporting the HTTP CONNECT command, as documented in RFC 2817. In this mode no proxy is used for the connection. However it’s a fast way to judge the type of a proxy roughly by its port without testing it.First, select what type of proxy you want WinSCP to use for its network connections. If a proxy is shown working in Socks Proxy Checker, it’s a socks proxy. If a proxy is shown working in Elite Proxy Switcher, it’s a HTTP proxies. The best way to know the type of proxy is to test it. The admin can set a http proxy running on 1080 (default socks port) or set a socks proxy running on 3128 (default http port) easily. Judge Proxy Typeīut you should know that proxy port absolutely depends on the settings of the proxy administrator. It’s because few of them use the same port except 10. I didn’t complied the possible ports of socks proxy. I compiled the ports that used by many proxies FYI. The remaining 2047 proxies are on different ports. There are 4476 proxies on the common port among the total 6523 proxies. Maybe it’s just because 808 is similar to. I don’t know why so many proxies are on the port 808. 8118 is the default port of Privoxy, an content-filtering HTTP proxy. 8080 is the HTTP alternate port which is commonly used for web proxy and caching server. The 80/443 port is the default for HTTP/HTTPS web server. There are some reasons why the proxy administrator choose those ports. There are the common proxy port which are used by most proxies. For example, many proxy server programs use 8080 as the default port. However there are many proxy server programs using the different default port. So many socks proxies are using the port 1080. Many socks proxy server programs use 1080 as the default port. Squid (a famous HTTP proxy server software) uses 3128 as its default port. It’s because 3128/1080 is the default port of the proxy server software. For example a proxy on the port 3128 is usually a HTTP proxy and a proxy with port 1080 is usually a Socks proxy. It seems that the proxy port usually determines the proxy type.
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