150用于从服务器下载文件的打开数据通道
问题描述 投票：0回答：1
我使用带有C＃的ASP.net创建文件传输应用程序，在其中将文件从FTP位置传输到服务器位置。从过去的5年以来，这一直很好，但是在那之后，我的错误率就降到了以下。
远程服务器返回错误：150打开用于从服务器下载文件的数据通道
我正在使用的代码在下面
private string script = @"setTimeout(""__doPostBack('{0}','')"", 3000);"; protected int totalSteps = (intCount == 0 ? 1 : intCount); private int blockWidth = 860 / (intCount == 0 ? 1 : intCount); private string styles = @" <style type=""text/css""> .Hide {{ display:none; }} .ProgressWrapper {{ height:18px; width:{0}px; border:solid 1px #9C9C9C;font-size:9pt; padding:5px; background-color:#ddd; }} .Progress {{ height:15px; background-color:#0059FF; border:solid 1px #003EB0; float:left; }} </style> "; public bool Processing { get { return (bool)(Session["Processing"] ?? false); } set { Session["Processing"] = value; } } public int Step { get { return (int)(Session["Step"] ?? 0); } set { Session["Step"] = value; } } protected override void OnLoad(EventArgs e) { base.OnLoad(e); if (this.Processing) { if (!string.IsNullOrEmpty(this.LastStatus)) { this.pnlProgress.Width = new Unit(this.Step * this.blockWidth); if (this.Status == "Transfer" || this.Status == "Delete") { //some controls logic } if (this.Status == "TransferA" || this.Status == "DeleteD") { fBindClientGrid(this.FTPP, this.Label); //some controls logic } this.lblMessage.Text += string.Format("<br />{0}", this.LastStatus); this.LastStatus = string.Empty; } if (Session["ID"] == null) ScriptManager.RegisterStartupScript(this, this.GetType(), this.GetType().Name, string.Format(script, this.upnlCustomer.UniqueID), true); } else { if (!this.Completed) { this.pnlProgress.Width = new Unit(860); if (this.Status == "TransferA" || this.Status == "DeleteD") { fBindClientGrid(this.FTPP, this.Label); } fBindSubClientGrid(strTodaysDate); this.lblMessage.Text += string.Format("<br />{0}", this.LastStatus); lblMessage.Text += "<br />Processing Is Completed At " + DateTime.Now.ToString("HH:mm:ss") + ""; lblTransferStatus.Text = strfinalstatus; } else { this.Step = 0; } } } void SomeLongOperation() { this.Completed = false; List<string> lstArray = new List<string>(); rdrCustomerCredentials.Close(); rdrCustomerCredentials.Dispose(); CreateFolder(strPath, strClientpath, strClientUser, strClientPwd, strTodaysDate); if (txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("'", "''").Replace("é", "e") != strTodaysDate.Replace(ddlSubClient.SelectedValue.Split('^')[0], "")) { CreateFolder((strPath + strTodaysDate + "/"), strClientpath + strTodaysDate + "/", strClientUser, strClientPwd, txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("é", "e")); } if (mySql.pReturnIntegerValue("SELECT COUNT(*) FROM CMTB****hMaster WHERE BatchName='" + txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("'", "''").Replace("é", "e") + "' AND MTSubClientID=" + intSubClientID + " AND FolderName='" + strTodaysDate + "'") == 0) { strResult = ""; // here i add some operation to save data into my database } int i = 0; intCount = (gvCustomer.Rows.Count == 0 ? 1 : gvCustomer.Rows.Count); if (strResult == "") { for (int intLoop = 0; intLoop < gvCustomer.Rows.Count; intLoop++) { if (((CheckBox)gvCustomer.Rows[intLoop].Cells[0].FindControl("chkSelect")).Checked == true && ((LinkButton)gvCustomer.Rows[intLoop].Cells[2].FindControl("lnkLink")).Text.ToLower().Trim().Replace("\r\n", "").Replace("\n", "").Replace("//", "/").Contains(".ds2") == false && ((CheckBox)gvCustomer.Rows[intLoop].Cells[0].FindControl("chkSelect")).Enabled == true) { i++; string strFileName = ((LinkButton)gvCustomer.Rows[intLoop].Cells[2].FindControl("lnkLink")).Text.Trim().Replace("\r\n", "").Replace("\n", "").Replace("//", "/"); string strConvFileName = ((TextBox)gvCustomer.Rows[intLoop].Cells[3].FindControl("txtConvertedFile")).Text.Trim().Replace("\r\n", "").Replace("\n", "").Replace("//", "/").Replace(" ", "").Replace("~", "-").Replace("é", "e"); this.Step = this.Step + 1; if (txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("é", "e") != strTodaysDate.Replace(ddlSubClient.SelectedValue.Split('^')[0], "")) { strResult = RecursiveDownload((strPath + strTodaysDate + "/" + txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("é", "e") + "/"), strCustomerpath, strUser, strPwd, strClientpath + strTodaysDate + "/" + txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "") + "/", strClientUser, strClientPwd, strFileName, strConvFileName, gvCustomer.Rows[intLoop].Cells[4].Text, gvCustomer.Rows[intLoop].Cells[5].Text); strInputPath = strInpPath + strTodaysDate + "/" + txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("é", "e") + "/"; } else { strResult = RecursiveDownload((strPath + strTodaysDate + "/"), strCustomerpath, strUser, strPwd, strClientpath + strTodaysDate + "/", strClientUser, strClientPwd, strFileName, strConvFileName, gvCustomer.Rows[intLoop].Cells[4].Text, gvCustomer.Rows[intLoop].Cells[5].Text); strInputPath = strInpPath + strTodaysDate + "/"; } string status = string.Format("Step {0} - {1}", i, strResult == "" ? "Successfully Transferred " + strFileName + " at " + DateTime.Now.ToString("HH:mm:ss") : "Failed " + strFileName + " - Due to {" + strResult.Replace("'", "") + "}"); string status1 = ""; if (txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("'", "''").Replace("é", "e") != strTodaysDate.Replace(ddlSubClient.SelectedValue.Split('^')[0], "")) { status1 = string.Format("Step {0} - {1}", i, strResult == "" ? "Successfully Transferred " + strFileName + " From " + (strCustomerpath) + " To " + strPath + strTodaysDate + "/" + txtBatchName.Text.Trim().Replace("&", "").Replace("%", "").Replace("/", "").Replace(@"\", "").Replace("*", "").Replace(":", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "").Replace("'", "''").Replace("é", "e") + "/" + " at " + DateTime.Now.ToString("HH:mm:ss") + " \n\r \n\r" : "Failed " + strFileName + " - Due to {exception details} \n\r \n\r"); } else { status1 = string.Format("Step {0} - {1}", i, strResult == "" ? "Successfully Transferred " + strFileName + " From " + (strCustomerpath) + " To " + strPath + strTodaysDate + "/" + " at " + DateTime.Now.ToString("HH:mm:ss") + " \n\r \n\r" : "Failed " + strFileName + " - Due to {exception details} \n\r \n\r"); } if (string.IsNullOrEmpty(this.LastStatus)) this.LastStatus = status; else this.LastStatus = string.Format("{0}<br /><br />{1}", this.LastStatus, status); System.IO.StreamWriter file = new System.IO.StreamWriter(Server.MapPath("LogFilesForFileTransfer") + @"\FileTransferLog" + DateTime.Now.ToString("MM-dd-yyyy") + ".txt", true); file.WriteLine(status1); file.Close(); Thread.Sleep(1000); } } } if (strResult == "") { strfinalstatus = "Successfully Transferred All The Files"; } else { strfinalstatus = strResult; } this.Processing = false; } protected string RecursiveDownload(string strPath, string strFtpPath, string strFtpUser, string strFtpPwd, string strSubClientFTPPath, string strSubClientFTPUser, string strSubClientFTPPwd, string strFileName, string strConvFileName, string strType, string strFileSize) { string strResult = ""; List<string> lstArray = new List<string>(); if (strType != "" && strType != " ") { strResult = TransferFile(strPath, strFtpPath, strFtpUser, strFtpPwd, strSubClientFTPPath, strSubClientFTPUser, strSubClientFTPPwd, strFileName, strConvFileName, strFileSize); } else { string strDirectoryInfo = fReturnDirectoryInfo1(strPath + strFileName, strFtpUser, strFtpPwd); string[] strSplit = strDirectoryInfo.Split('?'); CreateFolder(strPath, strSubClientFTPPath, strSubClientFTPUser, strSubClientFTPPwd, strFileName); if (strDirectoryInfo != "") { for (int intLoop = 0; intLoop < strSplit.Length; intLoop++) { strResult = RecursiveDownload(strPath + strFileName + "/", strFtpPath + strFileName + "/", strFtpUser, strFtpPwd, strSubClientFTPPath + strFileName + "/", strSubClientFTPUser, strSubClientFTPPwd, strSplit[intLoop].Split(':')[1], strSplit[intLoop].Split(':')[1], strSplit[intLoop].Split(':')[0], strFileSize); } } } return strResult; } protected string TransferFile(string strPath, string strFtpPath, string strFtpUser, string strFtpPwd, string strSubClientFTPPath, string strSubClientFTPUser, string strSubClientFTPPwd, string strFileName, string strConvFileName, string strFileSize) { string strSuccess = ""; FtpWebRequest reqFTP; try { if (File.Exists(strPath + strConvFileName)) { Size = ((Math.Round(Convert.ToDouble(new FileInfo(strPath + strConvFileName).Length)) > 0 && Math.Round(Convert.ToDouble(new FileInfo(strPath + strConvFileName).Length)) < 1024) ? 1 : (Math.Round(Convert.ToDouble(new FileInfo(strPath + strConvFileName).Length) / 1024 + 0.0001))); strLocalFileSize = Size + "KB"; } if (!File.Exists(strPath + strConvFileName) || strFileSize != strLocalFileSize) { reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(strFtpPath + strFileName.Replace("#", "%23"))); System.Net.ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, sslPolicyErrors) => true; reqFTP.EnableSsl = true; reqFTP.Timeout = Timeout.Infinite; reqFTP.KeepAlive = true; reqFTP.Method = WebRequestMethods.Ftp.DownloadFile; //reqFTP.UseBinary = true; //reqFTP.UsePassive = false; reqFTP.Credentials = new NetworkCredential(strFtpUser, strFtpPwd); FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse(); Stream ftpStream = response.GetResponseStream(); long cl = response.ContentLength; int bufferSize = 2048; int readCount; byte[] buffer = new byte[bufferSize]; readCount = ftpStream.Read(buffer, 0, bufferSize); FileStream outputStream = new FileStream(strPath + strConvFileName, FileMode.Create); while (readCount > 0) { outputStream.Write(buffer, 0, readCount); readCount = ftpStream.Read(buffer, 0, bufferSize); } ftpStream.Close(); outputStream.Close(); response.Close(); strSuccess = ""; } else { strSuccess = "File Exists"; } } catch (Exception ex) { strSuccess = ex.Message; } return strSuccess; }我还尝试了PASSIVE和SSL以及其他设置。但是，我得到了。
注意：-FTP客户端在此错误之后更改其端口。所以这是客户端的一部分，或者我必须更改代码中的任何内容。
希望您能理解我的问题，如果您正在阅读我的问题并且无法理解，请通过评论回复与我联系。
使用WEBREQUEST的输出日志如下。这是3个文件，其中传输了1和2个文件，但3个文件给出了错误。
[Subject]
CN=*.h************d.net, OU=Domain Control Validated
Simple Name: *.h************d.net
DNS Name: h************d.net
[Issuer]
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US
Simple Name: Go Daddy Secure Certificate Authority - G2
DNS Name: Go Daddy Secure Certificate Authority - G2
[Serial Number]
00***********CF
[Not Before]
06/23/2019 11:20:31 PM
[Not After]
06/23/2021 5:48:21 AM
[Thumbprint]
043**************31991F8A
[Signature Algorithm]
sha256RSA(1.2.840.113549.1.1.11)
[Public Key]
Algorithm: RSA
Length: 2048
Key Blob: 30 82 01 0a 02 82 01 01 00 b3 08 29 d4 49 ab a0 ce 70 cd b2 72 1e 99 50 2f 63 9a 8c 95 8e c5 54 7b 66 bc 37 c3 81 b6 38 cb a8 aa f5 bc 95 99 94 2a de 11 73 5b b3 ed 00 ad dd 39 0b e1 52 b2 80 82 61 3c e5 37 15 92 f2 f8 6a fa ef 05 98 e2 f5 33 35 0d 09 0f 1d 14 1a a9 c8 e7 cd 04 87 a1 67 1....
System.Net Information: 0 : [12876] SecureChannel#29899600 - Remote certificate has errors:
System.Net Information: 0 : [12876] SecureChannel#29899600 - Certificate name mismatch.
System.Net Information: 0 : [12876] SecureChannel#29899600 - Remote certificate was verified as valid by the user.
System.Net Information: 0 : [12876] ProcessAuthentication(Protocol=Tls, Cipher=Aes256 256 bit strength, Hash=Sha1 160 bit strength, Key Exchange=44550 256 bit strength).
System.Net Error: 0 : [12876] Decrypt failed with error 0X90317.
System.Net Information: 0 : [12876] FtpControlStream#35723434 - Received response [226 Successfully transferred "/RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19"]
System.Net Information: 0 : [12876] FtpWebRequest#29959295::(Releasing FTP connection#35723434.)
System.Net Information: 0 : [6012] ServicePoint#37369992 - Closed as idle.
System.Net Information: 0 : [1608] FtpWebRequest#9486968::.ctor(ftp://7*.***.***.***:11121/RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/INVOICE %23 HP-ROR7506(********) ********, ******** 09-26-19 MED REC KIM ********.doc)
System.Net Information: 0 : [1608] FtpWebRequest#9486968::GetResponse(Method=RETR.)
System.Net Information: 0 : [1608] Associating FtpWebRequest#9486968 with FtpControlStream#34452536
System.Net Information: 0 : [1608] FtpControlStream#34452536 - Sending command [PASV]
System.Net Information: 0 : [1608] FtpControlStream#34452536 - Received response [227 Entering Passive Mode (7*,***,***,***,205,37)]
System.Net Information: 0 : [1608] FtpControlStream#34452536 - Sending command [RETR RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/INVOICE # HP-ROR7506(********) ********, ******** 09-26-19 MED REC KIM ********.doc]
System.Net Information: 0 : [1608] FtpControlStream#34452536 - Received response [150 Opening data channel for file download from server of "/RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/INVOICE # HP-ROR7506(********) ********, ******** 09-26-19 MED REC KIM ********.doc"]
System.Net Information: 0 : [1608] TlsStream#38212950::.ctor(host=7*.***.***.***, #certs=0, checkCertificateRevocationList=False, sslProtocols=Default)
System.Net Information: 0 : [1608] SecureChannel#52936877::.ctor(hostname=7*.***.***.***, #clientCertificates=0, encryptionPolicy=RequireEncryption)
System.Net Information: 0 : [1608] SecureChannel#52936877 - Left with 0 client certificates to choose from.
System.Net Information: 0 : [1608] Using the cached credential handle.
System.Net Information: 0 : [1608] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = (null), targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1608] InitializeSecurityContext(In-Buffer length=0, Out-Buffer length=135, returned code=ContinueNeeded).
System.Net Information: 0 : [1608] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b56e008, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1608] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=ContinueNeeded).
System.Net Information: 0 : [1608] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b56e008, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1608] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=ContinueNeeded).
System.Net Information: 0 : [1608] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b56e008, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1608] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=ContinueNeeded).
System.Net Information: 0 : [1608] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b56e008, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1608] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=134, returned code=ContinueNeeded).
System.Net Information: 0 : [1608] FtpWebRequest#9486968::(Releasing FTP connection#34452536.)
System.Net Error: 0 : [1608] Exception in FtpWebRequest#9486968::GetResponse - The remote server returned an error: 150 Opening data channel for file download from server of "/RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/INVOICE # HP-ROR7506(********) ********, ******** 09-26-19 MED REC KIM ********.doc"
..
at System.Net.FtpWebRequest.SyncRequestCallback(Object obj)
at System.Net.FtpWebRequest.RequestCallback(Object obj)
at System.Net.CommandStream.Dispose(Boolean disposing)
at System.IO.Stream.Close()
at System.IO.Stream.Dispose()
at System.Net.ConnectionPool.Destroy(PooledStream pooledStream)
at System.Net.ConnectionPool.PutConnection(PooledStream pooledStream, Object owningObject, Int32 creationTimeout, Boolean canReuse)
at System.Net.FtpWebRequest.FinishRequestStage(RequestStage stage)
at System.Net.FtpWebRequest.GetResponse()
System.Net Information: 0 : [1608] FtpWebRequest#55445276::.ctor(ftp://7*.***.***.***:11121/RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/INVOICE %23 HP-ROR7507(********) ********.doc)
System.Net Information: 0 : [1608] FtpWebRequest#55445276::GetResponse(Method=RETR.)
System.Net Information: 0 : [1608] Associating FtpWebRequest#55445276 with FtpControlStream#35723434
System.Net Information: 0 : [1608] FtpControlStream#35723434 - Sending command [CWD /]
System.Net Information: 0 : [1988] FtpWebRequest#23551555::.ctor(ftp://7*.***.***.***:11121/RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/)
System.Net Information: 0 : [1988] FtpWebRequest#23551555::GetResponse(Method=LIST.)
System.Net Information: 0 : [1608] FtpControlStream#35723434 - Received response [250 CWD successful. "/" is current directory.]
System.Net Information: 0 : [1608] FtpControlStream#35723434 - Sending command [PASV]
System.Net Information: 0 : [1988] FtpControlStream#15713638 - Created connection from 10.200.10.35:56838 to 7*.***.***.***:11121.
System.Net Information: 0 : [1988] Associating FtpWebRequest#23551555 with FtpControlStream#15713638
System.Net Information: 0 : [1608] FtpControlStream#35723434 - Received response [227 Entering Passive Mode (7*,***,***,***,205,62)]
System.Net Information: 0 : [1988] FtpControlStream#15713638 - Received response [220-FileZilla Server 0.9.60 beta
220-written by Tim Kosse ([email protected])
220 Please visit https://filezilla-project.org/]
System.Net Information: 0 : [1988] FtpControlStream#15713638 - Sending command [AUTH TLS]
System.Net Information: 0 : [1608] FtpControlStream#35723434 - Sending command [RETR RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/INVOICE # HP-ROR7507(********) ********.doc]
System.Net Information: 0 : [1988] FtpControlStream#15713638 - Received response [234 Using authentication type TLS]
System.Net Information: 0 : [1988] TlsStream#56336575::.ctor(host=7*.***.***.***, #certs=0, checkCertificateRevocationList=False, sslProtocols=Default)
System.Net Information: 0 : [1988] FtpControlStream#15713638 - Sending command [USER ********]
System.Net Information: 0 : [1988] SecureChannel#47899302::.ctor(hostname=7*.***.***.***, #clientCertificates=0, encryptionPolicy=RequireEncryption)
System.Net Information: 0 : [1988] SecureChannel#47899302 - Left with 0 client certificates to choose from.
System.Net Information: 0 : [1988] Using the cached credential handle.
System.Net Information: 0 : [1988] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = (null), targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1988] InitializeSecurityContext(In-Buffer length=0, Out-Buffer length=103, returned code=ContinueNeeded).
System.Net Information: 0 : [1988] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b4d7158, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1988] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=ContinueNeeded).
System.Net Information: 0 : [1988] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b4d7158, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1988] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=ContinueNeeded).
System.Net Information: 0 : [1988] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b4d7158, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1988] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=ContinueNeeded).
System.Net Information: 0 : [1988] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b4d7158, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1988] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=134, returned code=ContinueNeeded).
System.Net Information: 0 : [1608] FtpControlStream#35723434 - Received response [150 Opening data channel for file download from server of "/RECORDS REVIEW/FROM TRANSCRIBER/2019/10 October 2019/10-09-19/INVOICE # HP-ROR7507(********) ********.doc"]
System.Net Information: 0 : [1608] TlsStream#50391717::.ctor(host=7*.***.***.***, #certs=0, checkCertificateRevocationList=False, sslProtocols=Default)
System.Net Information: 0 : [1608] SecureChannel#56638896::.ctor(hostname=7*.***.***.***, #clientCertificates=0, encryptionPolicy=RequireEncryption)
System.Net Information: 0 : [1608] SecureChannel#56638896 - Left with 0 client certificates to choose from.
System.Net Information: 0 : [1608] Using the cached credential handle.
System.Net Information: 0 : [1608] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = (null), targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1608] InitializeSecurityContext(In-Buffer length=0, Out-Buffer length=103, returned code=ContinueNeeded).
System.Net Information: 0 : [1988] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b4d7158, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1988] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=ContinueNeeded).
System.Net Information: 0 : [1988] InitializeSecurityContext(credential = System.Net.SafeFreeCredential_SECURITY, context = 81e3228:b4d7158, targetName = 7*.***.***.***, inFlags = ReplayDetect, SequenceDetect, Confidentiality, AllocateMemory, InitManualCredValidation)
System.Net Information: 0 : [1988] InitializeSecurityContext(In-Buffers count=2, Out-Buffer length=0, returned code=OK).
System.Net Information: 0 : [1988] Remote certificate: [Version]
V3
我使用带有C＃的ASP.net创建文件传输应用程序，在其中将文件从FTP位置传输到服务器位置。从过去的5年以来，这一切都很好，但是在那之后我现在是...
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我不确定是否与此相关，但...
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