When is the client waiting? You could you paste a connection log that includes timestamps to show us.
Could ioFTPD be waiting for an ident response? In the [Network] section of ioFTPD.ini, there's a setting called Ident_Timeout. This setting defines how long ioFTPD will wait for an ident response before continuing.
okay, here it is. Be attention to [09:32:57]...
On my PC it lags for 1~2 seconds, but on some other machine with WinXP it lags for even 7 seconds
[09:32:56] [L] Connecting to SJC_20_Anonymous -> IP=166.111.112.113 PORT=20
[09:32:56] [L] Connected to SJC_20_Anonymous
[09:32:57] [L] 220 ClawHammer FTP Ready
[09:32:57] [L] USER anonymous
[09:32:57] [L] 331 Password required for anonymous.
[09:32:57] [L] PASS (hidden)
[09:32:57] [L] 230-Welcome to SJC FTP Server
[09:32:57] [L] 230-Admin: drw04@mails.tsinghua.edu.cn
[09:32:57] [L] 230-Users online: 1
[09:32:57] [L] 230-
[09:32:57] [L] 230-ClawHammer says:
[09:32:57] [L] 230-I'm lag now but I'll do best after login :-)
[09:32:57] [L] 230 User anonymous logged in.
[09:32:57] [L] SYST
[09:32:57] [L] 215 UNIX Type: L8
[09:32:57] [L] FEAT
[09:32:57] [L] 500 'FEAT': Command not understood
[09:32:57] [L] REST 100
[09:32:57] [L] 350 Restarting at 100. Send STORE or RETRIEVE to initiate transfer.
[09:32:57] [L] REST 0
[09:32:57] [L] 350 Restarting at 0. Send STORE or RETRIEVE to initiate transfer.
[09:32:57] [L] PWD
[09:32:57] [L] 257 "/" is current directory.
and here is part of my ini file..Dual-core Xeon 2.8G, 2G RAM, 1Gbps LAN, Win2k3 Server Enterprise, with 100 users
[Threads]
Process_Priority = NORMAL # Suggested process base priority (Idle/Normal/High/Realtime)
Io_Threads = 4 # Number of io threads
Worker_Threads = 12 # Number of worker threads
Worker_Fibers = 100 # Initial number of fibers
Encryption_Threads = 2 # Number of encryption threads
[File]
MessageCache_Size = 6144 # Amount of message files to cache
DirectoryCache_Size = 10240 # Amount of directories to cache per cache bucket (8 buckets)
Device_Concurrency = 5 # Maximum simultanous io operations per device
Upload_PreAllocation = 0 #
[Locations]
User_Id_Table = ..\etc\UserIdTable
Group_Id_Table = ..\etc\GroupIdTable
Hosts_Rules = ..\etc\Hosts.Rules
User_Files = ..\users
Group_Files = ..\groups
Log_Files = ..\logs
Cache_Files = ..\cache
Default_Vfs = ..\etc\default.vfs
Environment = ..\etc\ioftpd.env
##################### DEVICES ########################
# [Device Name]
# Host = <Host/IP> # External host. Address shown to clients. (0.0.0.0 = any local ip)
# Ports = <Begin-End> # Ports to use for data transfers. May contain comma seperated list of port ranges.
# Random = <True/False> # Use ports in random order
# Bind = <Host/IP> # Internal host. If specified, connections are bound to this address instead of HOST.
#
# Global_Inbound_Bandwidth = <kB/s> # Limit overall inbound speeds
# Global_Outbound_Bandwidth = <kB/s> # Limit overall outbound speeds
# Client_Inbound_Bandwidth = <kB/s> # Limit client inbound speeds
# Client_Outbound_Bandwidth = <kB/s> # Limit client outbound speeds
[Any]
Host = 0.0.0.0
Ports = 1024-2048
Random = True
;Global_Inbound_Bandwidth = 10000
;Global_Outbound_Bandwidth = 10000
;Client_Inbound_Bandwidth = 100 [*registered version*]
;Client_Outbound_Bandwidth = 50 [*registered version*]
;Bind =
################## END OF DEVICES ####################
##################### SERVICES #######################
[FTP_Service]
Type = FTP
Device_Name = Any
Port = 21
Description = SJC FTP Server
User_Limit = 200
Allowed_Users = *
Messages = ..\text\ftp
### Encryption ###
;Require_Encrypted_Auth = =ADMINS
Require_Encrypted_Data = -ioFTPD
Require_Encrypted_Auth = !*
;Require_Encrypted_Data = !*
Certificate_Name = 166.111.112.112
Explicit_Encryption = True
Encryption_Protocol = SSL3
Min_Cipher_Strength = 128
Max_Cipher_Strength = 384
### IDNT command handler ###
#
Get_External_Ident = True
### Traffic Balancing ###
#
;Data_Devices =
;Random_Devices = True
[Telnet_Service]
Type = Telnet
Device_Name = Any
Port = 10556
Description = SJC FTP Managerment via Telnet
User_Limit = 2
Allowed_Users = T !*
Messages = ..\text\telnet
[HTTP_Service]
Type = HTTP
Device_Name = Any
Port = 8080
Description = SJC FTP Managerment via HTTP
User_Limit = 10
Allowed_Users = *
Messages = ..\text\http
Certificate_Name = 166.111.112.112
Explicit_Encryption = True
Encryption_Protocol = SSL3
Min_Cipher_Strength = 128
Max_Cipher_Strength = 384
################## END OF SERVICES ###################
[Network]
Active_Services = FTP_Service
Ident_Timeout = 5 # Set ident timeout (seconds)
Hostname_Cache_Duration = 1800 # Seconds cached hostname is valid
Ident_Cache_Duration = 120 # Seconds cached ident is valid
Connections_To_Ban = 8 #
Ban_Counter_Reset_Interval = 30 #
Temporary_Ban_Duration = 900 # Seconds host remains banned
Internal_Transfer_Buffer = 65536 # Internal transfer buffer size
Scheduler_Update_Speed = NORMAL # Socket scheduler update speed (HIGH/NORMAL/LOW/DISABLED)
[Ftp]
Idle_TimeOut = 120
Login_Attempts = 8
Login_TimeOut = 15
Socket_Send_Buffer = 131072
Socket_Recv_Buffer = 131072
DataSocket_Nagle = False
Transfer_Buffer = 65536 # For maximum scalability, set Transfer & DataSocket buffers to to low values
DataSocket_Send_Buffer = 65536
DataSocket_Recv_Buffer = 65536
[Telnet]
Idle_TimeOut = 120
Login_TimeOut = 15
;Socket_Send_Buffer = 16384
;Socket_Recv_Buffer = 4096
Socket_Send_Buffer = 4096
Socket_Recv_Buffer = 1024
[Http]
Keep_Alive = 180
Max_Memory_Content = 1024000 # Maximum bytes of GET/PUT/POST/HEAD content to cache in memory
;Socket_Send_Buffer = 16384
;Socket_Recv_Buffer = 16384
[Sections]
## Maximum of 10 different credit sections ##
# <alias> = <credit section #> <path>
# <alias> = <credit section #> <stats section #> <path>
Default = 0 *
[VFS]
###
# Default attributes for files & directories
#
# Required Parameters: <filemode> <owner uid>:<owner gid>
#
Default_Directory_Attributes = 755 101:101
Default_File_Attributes = 644 101:101
###
# Command specific rules
#
Modify_Stats_On_Delete = False
###
# Detailed permissions for directories
#
# priviledge = <virtual path> <rights>
#
Upload = /Incoming/* *
Upload = * 1VM
Resume = * 1VM
Download = * *
MakeDir = /Incoming/* *
MakeDir = * 1VM
RemoveOwnDir = * 1VM
RemoveDir = * 1VM
Rename = * 1VM
RenameOwn = * 1VM
Overwrite = * 1VM
Delete = * 1VM
DeleteOwn = * 1VM
NoStats = * !*
[Reset]
WeeklyReset = Monday
;MonthlyReset = 1st
[Scheduler]
###
# Scheduler
#
# Event = <minutes> <hours> <day of month> <day of week> Command
#
# Internal Commands:
#
# &Reset : Resets upload/download counters
# &Service_Update : Reloads devices and Restarts services, if bind ip of service has changed
#
Reset = 0 0 * * &Reset
Service_Update = 10,30,50 * * * &Service_Update
[Events]
;OnUploadError =
;OnUploadComplete = EXEC d:\test.bat
;OnUploadComplete = TCL ..\scripts\test2.itcl
;OnDownloadError =
;OnDownloadComplete =
;OnResume =
;OnUpload =
;OnNewDir =
;OnDelDir =
;OnLogIn =
;OnServerStart =
;OnServerStop =
;OnServiceStart =
;OnServiceStop =
[Modules]
;MessageVariableModule = ..\modules\cookie.dll
;UserModule = ..\modules\networkuser.dll
;GroupModule = ..\modules\networkgroup.dll
;EventModule = ..\modules\eventmodule.dll
[FTP_Pre-Command_Events]
;list =
;stor =
;mkd =
[FTP_Post-Command_Events]
;mkd =
;rmd =
;stor =
;dele =
[FTP_Custom_Commands]
## SITE <trigger> <parameters>
#
# trigger = !file # Show file
# trigger = @string # Alias
# trigger = EXEC script.exe # Execute file.exe
# trigger = %EXEC script.exe # Execute file.exe (translate cookies)
# trigger = TCL script.itcl # Execute file.itcl
#
## Examples
# welcome = !..\text\ftp\welcome.msg
# rehash = @config rehash
# exec = EXEC ..\scripts\exec.bat
# myinfo = %TCL ..\scripts\whoami.itcl %[$user]
# cat = TCL ..\scripts\showfile.itcl
#
;TCL = TCL ..\scripts\test2.itcl
;#TCL = TCL ..\scripts\bottalk.itcl
;BAT = EXEC d:\test.bat
;WHO = TCL ..\scripts\BlzBot.itcl
[Telnet_Binaries]
hello = EXEC c:\ioFTPD\site\bin\hello.bat