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Diffstat (limited to 'docs/docbook/smbdotconf/security/rootdirectory.xml')
| -rw-r--r-- | docs/docbook/smbdotconf/security/rootdirectory.xml | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/docs/docbook/smbdotconf/security/rootdirectory.xml b/docs/docbook/smbdotconf/security/rootdirectory.xml new file mode 100644 index 0000000000..9c3e9cfad2 --- /dev/null +++ b/docs/docbook/smbdotconf/security/rootdirectory.xml @@ -0,0 +1,34 @@ +<samba:parameter name="root directory" + context="G" + advanced="1" developer="1" + xmlns:samba="http://samba.org/common"> +<listitem> + <para>The server will <command moreinfo="none">chroot()</command> (i.e. + Change its root directory) to this directory on startup. This is + not strictly necessary for secure operation. Even without it the + server will deny access to files not in one of the service entries. + It may also check for, and deny access to, soft links to other + parts of the filesystem, or attempts to use ".." in file names + to access other directories (depending on the setting of the <link linkend="WIDELINKS"> + <parameter moreinfo="none">wide links</parameter></link> + parameter). + </para> + + <para>Adding a <parameter moreinfo="none">root directory</parameter> entry other + than "/" adds an extra level of security, but at a price. It + absolutely ensures that no access is given to files not in the + sub-tree specified in the <parameter moreinfo="none">root directory</parameter> + option, <emphasis>including</emphasis> some files needed for + complete operation of the server. To maintain full operability + of the server you will need to mirror some system files + into the <parameter moreinfo="none">root directory</parameter> tree. In particular + you will need to mirror <filename moreinfo="none">/etc/passwd</filename> (or a + subset of it), and any binaries or configuration files needed for + printing (if required). The set of files that must be mirrored is + operating system dependent.</para> + + <para>Default: <command moreinfo="none">root directory = /</command></para> + + <para>Example: <command moreinfo="none">root directory = /homes/smb</command></para> +</listitem> +</samba:parameter> |