Checking Proxy/Firewall settings in client machine using C#

To find out a proxy type, please check its properties for numbers of active open ports: HTTP Proxy – ports 80,81,8080 or 3128; SOCKS – ports 1080 or 1081; FTP - port 21 mostly, but you cannot connect to the FTP Server without an FTP client. CGI Proxy is a web-page, it … Check if the IP address is a Proxy Server - awebanalysis.com Online tool to check if an IP address is used as VPN (Virtual Private Network), Open Proxy, Public Proxy, Hosting Proxy, ISP Proxy, Datacenter and CDN (Conten Delivery Network) Proxy, Web Proxy, Tor Exit Node and other proxy types using IP2Proxy proxy server detection.. The Proxy Discovery Tool will verify the IP entered into a database of proxies of more than 2 million IPv4-type ranges and 2 Display your proxy server information. There may be a proxy, check below. IP address: 157.55.39.170. msnbot-157-55-39-170.search.msn.com. Best guess: United States, Washington, Redmond. The HTTP_CACHE_CONTROL header exists, and is non zero. This may indicate a caching proxy. The header HTTP_CACHE_CONTROL includes proxy telltales. How To Find Proxy is Http or Socks - Stack Overflow No, the proxy type is not based on port numbers. The ports are assigned by network admins and can be anything they want. Your only hope is if your network is configured to use some type of proxy auto-config to provide the specific proxy details to clients when needed.. Otherwise, there is no way to query the proxy …

Online tool to check if an IP address is used as VPN (Virtual Private Network), Open Proxy, Public Proxy, Hosting Proxy, ISP Proxy, Datacenter and CDN (Conten Delivery Network) Proxy, Web Proxy, Tor Exit Node and other proxy types using IP2Proxy proxy server detection.. The Proxy Discovery Tool will verify the IP entered into a database of proxies of more than 2 million IPv4-type ranges and 2

Proxy protocol. Server send-proxy parameter. Follow flag check-send-proxy from the server line. Ciphered. connection Server's ssl parameter. Follow flag check-ssl from the server line. Protocol. TCP handshake. SSL, HTTP, LDAP, MySql, PgSQL, redis, SMTP, generic Send/Expect. Valid response. Depends on the protocol used

Netsh.exe and ProxyCfg.exe Proxy Configuration Tools

api documentation / proxycheck.io - Proxy & VPN Detection API VPN Check Flag When providing the VPN flag we will check if the IP belongs to a virtual private network or datacenter. When detecting a VPN we will still deliver proxy: yes as an answer from our API but we'll also state type: VPN so that you know this IP is from a VPN service. Online Proxy Checker