[Samba] Winbind problem

[Luis Henrique de Faria Guimarães]

I have server with Fedora Core 1, samba 3 and kernel with support ACL. I am
using a NT4 as PDC.
My problem is after opening three telnet sessions, this nexts is very slow.
This is my smb.conf:

#
# Generated by /usr/local/samba/md_smb.conf.pl
#
[global]
passwdprogram = /usr/bin/passwd %u
nameresolveorder = host lmhosts wins bcast
addsharecommand = /usr/local/samba/md_smb.conf.pl
ntaclsupport = Yes
netbiosname = pinheiros
deletesharecommand = /usr/local/samba/md_smb.conf.pl
usernamemap = /etc/samba/smbusers
maxlogsize = 50
idmapuid = 10000-20000
deleteprintercommand = delprinter
addmachinescript = /usr/sbin/useradd -d /dev/null -g 100 -s /bi
n/false -M %u
addprintercommand = addprinter
read only = No
winbindcachetime = 10
logfile = /var/log/samba/log.%m
templatehomedir = /home/%U
#socketoptions = TCP_NODELAY SO_RCVBUF
printing = cups
inheritacls = Yes
updateencrypted = Yes
workgroup = ECP
authmethods = winbind
security = DOMAIN
profileacls = Yes
idmapgid = 10000-20000
ldapssl = no
#winbindusedefaultdomain = Yes
winbind enum users = yes
winbind enum groups = yes
mapaclinherit = Yes
dnsproxy = No
usernamelevel = 8
passwordlevel = 8
guestaccount = pcguest
localmaster = No
passwdchat = *New*UNIX*password* %nn *ReType*new*UNIX*pa
ssword* %nn *passwd:*all*authentication*tokens*updated*successfully*
changesharecommand = /usr/local/samba/md_smb.conf.pl
templateshell = /bin/sh
aclcompatibility = winnt
winbindseparator = +
serverstring = Samba Server
log level = 5
wins server = 192.168.1.237

## Section - [printers]
[printers]
comment = Printers
browseable = No
printable = Yes
path = /var/spool/samba

## Section - [C]
[C]
read only = No
writable = Yes
comment = Raiz do Server Linux ECP20
path = /
##################################################
In the nsswitch.conf

passwd: files winbind
shadow: files
group: files winbind

#################################################
And the /etc/pam.d/login
#%PAM-1.0
auth required pam_securetty.so
auth sufficient pam_winbind.so
auth sufficient pam_unix.so use_first_pass
auth required pam_stack.so service=system-auth
auth required pam_nologin.so
account sufficient pam_winbind.so
account required pam_stack.so service=system-auth
password required pam_stack.so service=system-auth
session required pam_stack.so service=system-auth
session optional pam_console.so
##################################################
Thanks


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