[Samba] Problem to set up an samba server

[Rowland Penny]

On 03/11/2022 14:48, Sylvain Sécherre via samba wrote:
> Hello everyone !
> 
> I try since two weeks to share a directory using samba.
> 
> The server is a Linux Manjaro (Arch) distribution, IP = 192.168.1.16. 
> The shared directory is /data.
> 
> The clients are Linux Debian and Android. On the main Debian client, the 
> mounted directory is /media/partage.
> 
> I want to share files (r+w) without any identification on every devices 
> of the local network.
> 
> Here is my /etc/samba/smb.conf file on the server:
> 
> [global]
>     workgroup = WORKGROUP
>     server string = sylvain-serv
>     security = user
>     hosts allow = 192.168. 127.
>     load printers = no
>     printing = bsd
>     printcap name = /dev/null
>     disable spoolss = yes
>     invalid users = root
>     usershare allow guests = yes
>     map to guest = bad user
>     log file = /var/log/samba/%m.log
>     max log size = 50
>     dns proxy = no
> 
> [data]
>     comment = Data
>     path = /data
>     force user = sylvain
>     force group = sylvain
>     public = yes
>     guest ok = yes
>     read only = no
>     browseable = yes
> 
> The mount command on the client (mount -t cifs //192.168.1.16/data 
> /media/partage -o guest) is successful, but when I try to list (ls) the 
> mounted directory, I am told that the permission is not given. Here is 
> the mtab line :
> 
> //192.168.1.16/data /media/partage cifs 
> rw,relatime,vers=3.1.1,sec=none,cache=strict,uid=0,noforceuid,gid=0,noforcegid,addr=192.168.1.16,file_mode=0755,dir_mode=0755,soft,nounix,serverino,mapposix,rsize=4194304,wsize=4194304,bsize=1048576,echo_interval=60,actimeo=1 0 0
> 
> I have no network problem, I use to connect to the server in ssh. I 
> tried to stop iptables and fail2ban on both server and client without 
> success. Here is a nmap dialog:
> 
> # nmap 192.168.1.16
> Starting Nmap 7.80 ( https://nmap.org ) at 2022-11-03 15:33 CET
> Nmap scan report for minus.home (192.168.1.16)
> Host is up (0.035s latency).
> Not shown: 993 filtered ports
> PORT     STATE  SERVICE
> 22/tcp   open   ssh
> 25/tcp   closed smtp
> 80/tcp   closed http
> 139/tcp  open   netbios-ssn
> 443/tcp  closed https
> 445/tcp  open   microsoft-ds
> 3306/tcp closed mysql
> 
> But when I look at the log files (/var/log/samba) there is no entry 
> except the start of the daemons (smb and nmb).
> 
> Here is another issue:
> 
> # smbclient -NL 192.168.1.16
> Anonymous login successful
> 
>      Sharename       Type      Comment
>      ---------       ----      -------
> SMB1 disabled -- no workgroup available
> 
> No samba server seems to be running.

It must be, or the login wouldn't have worked.

> 
> 
> Here is a ls -l in the /media directory of the client:
> 
> - before mounting :
> 
>      drwxrwxr-x  2 root root 4096 20 oct.  16:22 partage
> 
> - after mounting :
> 
>      drwxr-xr-x  2 root root    0  2 nov.  15:39 partage

Are you sure that the mount is working, 'partage' appears to be empty.

> 
> CN=DnsAdmins,OU=DOMusers,DC=wdc,DC=domain,DC=it
> The same on the server:
> 
> drwxrwxr-x   2 root root  4096  2 nov.  15:39 data
> 
> 
> The rights of the file in the server shared directory (/data):
> 
> -rw-rw-r-- 1 root root     7 23 oct.  13:24  test.txt
> 
> I am near a nervous breakdown... I don't know what to do.
> 
> Anyone can help me ?
> 
> Sylvain (France)


Can you connect directly (as guest) to the share ?
Are your clients SMBv3 capable ?

Rowland