服务器响应于PASV命令比向其中所作的FTP连接的地址不同返回地址 [英] The server returned an address in response to the PASV command that is different than the address to which the FTP connection was made

问题描述

System.Net.WebException：服务器响应于PASV命令比向其中所作的FTP连接的地址不同返回地址结果，
。在系统.Net.FtpWebRequest.CheckError（）结果
在System.Net.FtpWebRequest.SyncRequestCallback（obj对象）结果
在System.Net.CommandStream.Abort（例外五）结果
。在System.Net.FtpWebRequest.FinishRequestStage（RequestStage阶段）结果
在System.Net.FtpWebRequest.GetRequestStream（）结果
在BackupDB.Program.FTPUploadFile（字符串SERVERPATH，字符串serverFile，FileInfo的LOCALFILE，的NetworkCredential中房）在D：\PROJEKTI\BackupDB\BackupDB\Program.cs：行119

代码：

  FTPMakeDir（新的URI（SERVERPATH +/），中房）; 
的FtpWebRequest请求=（的FtpWebRequest）WebRequest.Create（SERVERPATH + serverFile）; 
 request.UsePassive = TRUE; 
 request.Method = WebRequestMethods.Ftp.UploadFile; 
 request.Credentials =中房; 
字节[]缓冲区=新的字节[10240] //读取/写入10KB 
 $ B $使用B（的FileStream的SourceStream =新的FileStream（
 LocalFile.ToString（），FileMode.Open））使用（流requestStream 
 {
 = request.GetRequestStream（））
 {
 INT读取动作; 
做
 {
读取动作= sourceStream.Read（缓冲，0，buffer.Length）; 
 requestStream.Write（缓冲液，0，读取动作）; 
}当（读取动作大于0）; 
} 
响应=（FtpWebResponse）request.GetResponse（）; 
 response.Close（）; 
} 
  

解决方案

如果任何人有同样的问题，这是为proftpd的溶液

http://www.proftpd.org/docs/howto/NAT.html

System.Net.WebException: The server returned an address in response to the PASV command that is different than the address to which the FTP connection was made.
at System.Net.FtpWebRequest.CheckError()
at System.Net.FtpWebRequest.SyncRequestCallback(Object obj)
at System.Net.CommandStream.Abort(Exception e)
at System.Net.FtpWebRequest.FinishRequestStage(RequestStage stage)
at System.Net.FtpWebRequest.GetRequestStream()
at BackupDB.Program.FTPUploadFile(String serverPath, String serverFile, FileInfo LocalFile, NetworkCredential Cred) in D:\PROJEKTI\BackupDB\BackupDB\Program.cs:line 119

code:

FTPMakeDir(new Uri(serverPath + "/"), Cred);
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(serverPath+serverFile);
request.UsePassive = true;
request.Method = WebRequestMethods.Ftp.UploadFile;
request.Credentials = Cred;
byte[] buffer = new byte[10240];    // Read/write 10kb

using (FileStream sourceStream = new FileStream(
    LocalFile.ToString(), FileMode.Open))
{
    using (Stream requestStream = request.GetRequestStream())
    {
        int bytesRead;
        do
        {
            bytesRead = sourceStream.Read(buffer, 0, buffer.Length);
            requestStream.Write(buffer, 0, bytesRead);
        } while (bytesRead > 0);
    }
    response = (FtpWebResponse)request.GetResponse();
    response.Close();
}

解决方案

if anyone have the same problem, this is solution for proftpd

http://www.proftpd.org/docs/howto/NAT.html

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