id,summary,reporter,owner,description,type,status,priority,component,resolution,keywords,cc,component_version,os,os_version 4538,Cannot connect to IIS FTP server behind ISA since last update,Rich C,,"I just updated to the latest version, 3.2.4.1 and now cannot connect to an IIS FTP server protected by a Windows ISA firewall. This worked before the update, it fails just after MLSD Status: Resolving address of ftp.useast.com Status: Connecting to 173.9.87.33:21... Status: Connection established, waiting for welcome message... Trace: CFtpControlSocket::OnReceive() Response: 220 Welcome to USEast Technologies FTP site! Trace: CFtpControlSocket::SendNextCommand() Command: USER anonymous Trace: CFtpControlSocket::OnReceive() Response: 331 Password required for anonymous Trace: CFtpControlSocket::SendNextCommand() Command: PASS ************** Trace: CFtpControlSocket::OnReceive() Response: 230 Logged on Trace: CFtpControlSocket::SendNextCommand() Command: SYST Trace: CFtpControlSocket::OnReceive() Response: 215 UNIX emulated by FileZilla Trace: CFtpControlSocket::SendNextCommand() Command: FEAT Trace: CFtpControlSocket::OnReceive() Response: 211-Features: Response: MDTM Response: REST STREAM Response: SIZE Response: MLST type*;size*;modify*; Response: MLSD Response: UTF8 Response: CLNT Response: MFMT Response: 211 End Status: Connected Trace: CFtpControlSocket::ResetOperation(0) Trace: CControlSocket::ResetOperation(0) Status: Retrieving directory listing... Trace: CFtpControlSocket::SendNextCommand() Trace: CFtpControlSocket::ChangeDirSend() Command: PWD Trace: CFtpControlSocket::OnReceive() Response: 257 ""/"" is current directory. Trace: CFtpControlSocket::ResetOperation(0) Trace: CControlSocket::ResetOperation(0) Trace: CFtpControlSocket::ParseSubcommandResult(0) Trace: CFtpControlSocket::ListSubcommandResult() Trace: CFtpControlSocket::SendNextCommand() Trace: CFtpControlSocket::TransferSend() Command: TYPE I Trace: CFtpControlSocket::OnReceive() Response: 200 Type set to I Trace: CFtpControlSocket::TransferParseResponse() Trace: CFtpControlSocket::SendNextCommand() Trace: CFtpControlSocket::TransferSend() Command: PASV Trace: CFtpControlSocket::OnReceive() Response: 227 Entering Passive Mode (173,9,87,33,221,78) Trace: CFtpControlSocket::TransferParseResponse() Trace: CFtpControlSocket::SendNextCommand() Trace: CFtpControlSocket::TransferSend() Command: MLSD Trace: CFtpControlSocket::OnReceive() Response: 550 Access is denied. Trace: CFtpControlSocket::TransferParseResponse() Trace: CFtpControlSocket::ResetOperation(2) Trace: CControlSocket::ResetOperation(2) Trace: CFtpControlSocket::ParseSubcommandResult(2) Trace: CFtpControlSocket::ListSubcommandResult() Trace: CFtpControlSocket::ResetOperation(2) Trace: CControlSocket::ResetOperation(2) Error: Failed to retrieve directory listing Trace: CFtpControlSocket::OnReceive() Response: 421 Connection timed out. Trace: Unexpected reply, no reply was pending. Trace: CRealControlSocket::OnClose(0) Error: Connection closed by server Trace: CFtpControlSocket::ResetOperation(66) Trace: CControlSocket::ResetOperation(66)",Bug report,closed,normal,FileZilla Client,rejected,ISA,,,Windows,2008 build 6001 sp1