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Old 06-03-2019, 04:48 AM   #1
Registered: Sep 2008
Posts: 505

Rep: Reputation: 37
samba error: init_smb_request: invalid wct number

I've got a centos 7 machine (samba client) that is trying to connect to a shared folder on a vps (centos 6 machine - samba server) but it keeps failing. The command I'm using on the centos 7 client machine is:
# mount -t cifs -o username=user,password=password,uid=user,gid=user,sec=ntlm //<vps-ip-address>/share /media/vps
but I get:
mount error(112): Host is down
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
This is the error in the vps centos 6 server log:
Jun 3 09:27:10 vps smbd[28167]: [2019/06/03 09:27:10.013354, 0] smbd/process.c:525(init_smb_request)
Jun 3 09:27:10 vps smbd[28167]: init_smb_request: invalid wct number 117 (size 110).
the vps runs samba version samba-3.6.23-51.el6.x86_64.
the centos 7 machine runs samba-4.8.3-4.el7.x86_64.
Here is the smb.conf from the vps samba server:
workgroup = workgroup
server string = Samba Server Version %v

netbios name = vps-server

interfaces = lo venet0:0 <vps-ip-address>
hosts allow = 127. <123.456.789.012> <centos7-public-ip-address>

log file = /var/log/samba/log.%m
max log size = 50
security = user
passdb backend = tdbsam

load printers = No
cups options = raw

printcap name = /dev/null
disable spoolss = Yes

comment = share on vps
browseable = yes
writable = yes
valid users = <user>
path = /home/share
public = yes

comment = All Printers
path = /var/spool/samba
browseable = no
guest ok = no
writable = no
printable = yes
other machines I have can connect to the vps no problem, both windows 10 and centos 6 machines so the problem appears to be with centos 7 only. I've been trawling google but couldn't find a solution, maybe I have something missing in smb.conf, thanks for any advice.

Last edited by tonj; 06-03-2019 at 04:51 AM.
Old 06-03-2019, 05:08 AM   #2
Registered: Sep 2008
Posts: 505

Original Poster
Rep: Reputation: 37
update: typical eh? 10 mins later I solved it. what did it was the centos 7 command, it just needed vers=1.0 adding:
# mount -t cifs -o vers=1.0 -o username=user,password=password,uid=user,gid=user,sec=ntlm //vps-server-ip-address/share /media/vps --verbose
and it connected

Last edited by tonj; 06-03-2019 at 05:10 AM.


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