Samba

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Samba is a free software re-implementation of SMB/CIFS networking protocol, released under the GNU General Public License.

Samba and iptables

If you have a firewall and wish to open it up to Samba on a specific machine (i.e. a single IP address), try the following iptables: 

-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p tcp -m tcp --dport 137 -j ACCEPT
-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p udp -m udp --dport 137 -j ACCEPT
-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p tcp -m tcp --dport 138 -j ACCEPT
-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p udp -m udp --dport 138 -j ACCEPT
-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p tcp -m tcp --dport 139 -j ACCEPT
-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p udp -m udp --dport 139 -j ACCEPT
-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p tcp -m tcp --dport 445 -j ACCEPT
-A FORWARD -s xxx.xxx.xxx.xxx/24 -d xxx.xxx.xxx.xxx -p udp -m udp --dport 445 -j ACCEPT

Test-mount your Samba share

As root, 

mount -t cifs //xxx.xxx.xxx.xxx/path /mnt/samba -o username=username

Automount a Samba share

If you would like to automount your Samba shares, you can place the line below in your /etc/fstab: 

//xxx.xxx.xxx.xxx/path /mnt/samba cifs username=username,password=password 0 0

where cifs might need to be smbfs, depending on your filesystem setup.

However, if you do not want your username and password in a text file that anyone can read, you can create a file in, for an example, /etc/samba/smbpasswd with the following two lines: 

username=username
password=password

Then, 

chmod 600 /etc/samba/smbpasswd

Now, edit your /etc/fstab and replace the line with: 

//xxx.xxx.xxx.xxx/path /mnt/samba cifs credentials=/etc/samba/smbpasswd 0 0

External links

Firewall

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