也没有ftp.SecureSocketOptions
时间: 2024-09-20 18:11:20 浏览: 31
在某些老旧的FTP客户端库中,如`System.Net.Mail`或早期版本的`FluentFTP`,可能会缺乏直接设置`SecureSocketOptions`的属性。这种情况下,通常需要通过其他方式来配置安全连接,比如在连接字符串中手动添加SSL/TLS标识:
```csharp
FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://" + yourHost + "/path");
request.Method = WebRequestMethods.Ftp.ListDirectory;
if (useSsl)
{
request.ProtocolVersion = HttpVersion.Version11;
request.Credentials = new NetworkCredential(username, password);
request.ServicePoint.Expect100Continue = false; // FTP over TLS requires disabling this feature
request.UseDefaultCredentials = false;
request.EnableSsl = true;
}
else
{
request.Credentials = new NetworkCredential(username, password);
}
FtpWebResponse response = (FtpWebResponse)request.GetResponse();
// Process the response...
```
或者,你可以考虑更新到支持`SecureSocketOptions`的库版本,以便能更好地控制FTP协议的安全设置。
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