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Diffstat (limited to 'docs-xml/smbdotconf/security/rootdirectory.xml')
| -rw-r--r-- | docs-xml/smbdotconf/security/rootdirectory.xml | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/docs-xml/smbdotconf/security/rootdirectory.xml b/docs-xml/smbdotconf/security/rootdirectory.xml new file mode 100644 index 00000000000..8736598001f --- /dev/null +++ b/docs-xml/smbdotconf/security/rootdirectory.xml @@ -0,0 +1,35 @@ +<samba:parameter name="root directory" + context="G" + type="string" + advanced="1" developer="1" + xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> +<synonym>root</synonym> +<synonym>root dir</synonym> +<description> + <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 + <smbconfoption name="wide smbconfoptions"/> 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> +</description> + +<value type="default">/</value> +<value type="example">/homes/smb</value> +</samba:parameter> |