SSH.NET/src/Renci.SshNet/ProxyTypes.cs

namespace Renci.SshNet
{
    /// <summary>
    /// Specifies the type of proxy client will use to connect to server.
    /// </summary>
    public enum ProxyTypes
    {
        /// <summary>No proxy server.</summary>
        None,
        /// <summary>A SOCKS4 proxy server.</summary>
        Socks4,
        /// <summary>A SOCKS5 proxy server.</summary>
        Socks5,
        /// <summary>A HTTP proxy server.</summary>
        Http,
    }
}