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Diffstat (limited to 'docs/docbook/smbdotconf/base/bindinterfacesonly.xml')
| -rw-r--r-- | docs/docbook/smbdotconf/base/bindinterfacesonly.xml | 123 |
1 files changed, 64 insertions, 59 deletions
diff --git a/docs/docbook/smbdotconf/base/bindinterfacesonly.xml b/docs/docbook/smbdotconf/base/bindinterfacesonly.xml index 78e1b02bf5..3ad9aa4614 100644 --- a/docs/docbook/smbdotconf/base/bindinterfacesonly.xml +++ b/docs/docbook/smbdotconf/base/bindinterfacesonly.xml @@ -1,66 +1,71 @@ -<samba:parameter xmlns:samba="http://samba.org/common"> - <term><anchor id="BINDINTERFACESONLY"/>bind interfaces only (G)</term> - <listitem><para>This global parameter allows the Samba admin - to limit what interfaces on a machine will serve SMB requests. It - affects file service <citerefentry><refentrytitle>smbd</refentrytitle> - <manvolnum>8</manvolnum></citerefentry> and name service <citerefentry><refentrytitle>nmbd</refentrytitle> - <manvolnum>8</manvolnum></citerefentry> in a slightly different ways.</para> +<samba:parameter name="bind interfaces only" + context="G" + advanced="1" wizard="1" developer="1" + xmlns:samba="http://samba.org/common"> +<listitem> + <para>This global parameter allows the Samba admin + to limit what interfaces on a machine will serve SMB requests. It + affects file service <citerefentry><refentrytitle>smbd</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> and name service <citerefentry><refentrytitle>nmbd</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> in a slightly different ways.</para> - <para>For name service it causes <command moreinfo="none">nmbd</command> to bind - to ports 137 and 138 on the interfaces listed in the <link linkend="INTERFACES">interfaces</link> parameter. <command moreinfo="none">nmbd - </command> also binds to the "all addresses" interface (0.0.0.0) - on ports 137 and 138 for the purposes of reading broadcast messages. - If this option is not set then <command moreinfo="none">nmbd</command> will service - name requests on all of these sockets. If <parameter moreinfo="none">bind interfaces - only</parameter> is set then <command moreinfo="none">nmbd</command> will check the - source address of any packets coming in on the broadcast sockets - and discard any that don't match the broadcast addresses of the - interfaces in the <parameter moreinfo="none">interfaces</parameter> parameter list. - As unicast packets are received on the other sockets it allows - <command moreinfo="none">nmbd</command> to refuse to serve names to machines that - send packets that arrive through any interfaces not listed in the - <parameter moreinfo="none">interfaces</parameter> list. IP Source address spoofing - does defeat this simple check, however, so it must not be used - seriously as a security feature for <command moreinfo="none">nmbd</command>.</para> + <para>For name service it causes <command moreinfo="none">nmbd</command> to bind + to ports 137 and 138 on the interfaces listed in + the <link linkend="INTERFACES">interfaces</link> parameter. <command moreinfo="none">nmbd</command> also + binds to the "all addresses" interface (0.0.0.0) + on ports 137 and 138 for the purposes of reading broadcast messages. + If this option is not set then <command moreinfo="none">nmbd</command> will service + name requests on all of these sockets. If <parameter moreinfo="none">bind interfaces + only</parameter> is set then <command moreinfo="none">nmbd</command> will check the + source address of any packets coming in on the broadcast sockets + and discard any that don't match the broadcast addresses of the + interfaces in the <parameter moreinfo="none">interfaces</parameter> parameter list. + As unicast packets are received on the other sockets it allows + <command moreinfo="none">nmbd</command> to refuse to serve names to machines that + send packets that arrive through any interfaces not listed in the + <parameter moreinfo="none">interfaces</parameter> list. IP Source address spoofing + does defeat this simple check, however, so it must not be used + seriously as a security feature for <command moreinfo="none">nmbd</command>.</para> - <para>For file service it causes <citerefentry><refentrytitle>smbd</refentrytitle> - <manvolnum>8</manvolnum></citerefentry> to bind only to the interface list - given in the <link linkend="INTERFACES"> - interfaces</link> parameter. This restricts the networks that - <command moreinfo="none">smbd</command> will serve to packets coming in those - interfaces. Note that you should not use this parameter for machines - that are serving PPP or other intermittent or non-broadcast network - interfaces as it will not cope with non-permanent interfaces.</para> + <para>For file service it causes <citerefentry><refentrytitle>smbd</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> to bind only to the interface list + given in the <link linkend="INTERFACES">interfaces</link> parameter. This + restricts the networks that <command moreinfo="none">smbd</command> will serve + to packets coming in those interfaces. Note that you should not use this parameter + for machines that are serving PPP or other intermittent or non-broadcast network + interfaces as it will not cope with non-permanent interfaces.</para> - <para>If <parameter moreinfo="none">bind interfaces only</parameter> is set then - unless the network address <emphasis>127.0.0.1</emphasis> is added - to the <parameter moreinfo="none">interfaces</parameter> parameter list <citerefentry><refentrytitle>smbpasswd</refentrytitle> - <manvolnum>8</manvolnum></citerefentry> and <citerefentry><refentrytitle>swat</refentrytitle> - <manvolnum>8</manvolnum></citerefentry> may not work as expected due to the reasons covered below.</para> + <para>If <parameter moreinfo="none">bind interfaces only</parameter> is set then + unless the network address <emphasis>127.0.0.1</emphasis> is added + to the <parameter moreinfo="none">interfaces</parameter> parameter + list <citerefentry><refentrytitle>smbpasswd</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> and <citerefentry><refentrytitle>swat</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> may not work as expected due + to the reasons covered below.</para> - <para>To change a users SMB password, the <command moreinfo="none">smbpasswd</command> - by default connects to the <emphasis>localhost - 127.0.0.1</emphasis> - address as an SMB client to issue the password change request. If - <parameter moreinfo="none">bind interfaces only</parameter> is set then unless the - network address <emphasis>127.0.0.1</emphasis> is added to the - <parameter moreinfo="none">interfaces</parameter> parameter list then <command moreinfo="none"> - smbpasswd</command> will fail to connect in it's default mode. - <command moreinfo="none">smbpasswd</command> can be forced to use the primary IP interface - of the local host by using its <citerefentry><refentrytitle>smbpasswd</refentrytitle> - <manvolnum>8</manvolnum></citerefentry> <parameter moreinfo="none">-r <replaceable>remote machine</replaceable></parameter> - parameter, with <replaceable>remote machine</replaceable> set - to the IP name of the primary interface of the local host.</para> + <para>To change a users SMB password, the <command moreinfo="none">smbpasswd</command> + by default connects to the <emphasis>localhost - 127.0.0.1</emphasis> + address as an SMB client to issue the password change request. If + <parameter moreinfo="none">bind interfaces only</parameter> is set then unless the + network address <emphasis>127.0.0.1</emphasis> is added to the + <parameter moreinfo="none">interfaces</parameter> parameter list then <command moreinfo="none"> + smbpasswd</command> will fail to connect in it's default mode. + <command moreinfo="none">smbpasswd</command> can be forced to use the primary IP interface + of the local host by using its <citerefentry><refentrytitle>smbpasswd</refentrytitle> + <manvolnum>8</manvolnum></citerefentry> <parameter moreinfo="none">-r <replaceable>remote machine</replaceable></parameter> + parameter, with <replaceable>remote machine</replaceable> set + to the IP name of the primary interface of the local host.</para> - <para>The <command moreinfo="none">swat</command> status page tries to connect with - <command moreinfo="none">smbd</command> and <command moreinfo="none">nmbd</command> at the address - <emphasis>127.0.0.1</emphasis> to determine if they are running. - Not adding <emphasis>127.0.0.1</emphasis> will cause <command moreinfo="none"> - smbd</command> and <command moreinfo="none">nmbd</command> to always show - "not running" even if they really are. This can prevent <command moreinfo="none"> - swat</command> from starting/stopping/restarting <command moreinfo="none">smbd</command> - and <command moreinfo="none">nmbd</command>.</para> + <para>The <command moreinfo="none">swat</command> status page tries to connect with + <command moreinfo="none">smbd</command> and <command moreinfo="none">nmbd</command> at the address + <emphasis>127.0.0.1</emphasis> to determine if they are running. + Not adding <emphasis>127.0.0.1</emphasis> will cause <command moreinfo="none"> + smbd</command> and <command moreinfo="none">nmbd</command> to always show + "not running" even if they really are. This can prevent <command moreinfo="none"> + swat</command> from starting/stopping/restarting <command moreinfo="none">smbd</command> + and <command moreinfo="none">nmbd</command>.</para> - <para>Default: <command moreinfo="none">bind interfaces only = no</command></para> + <para>Default: <command moreinfo="none">bind interfaces only = no</command></para> - </listitem> - </samba:parameter> +</listitem> +</samba:parameter> |