diff options
Diffstat (limited to 'docs/smbdotconf/base/bindinterfacesonly.xml')
| -rw-r--r-- | docs/smbdotconf/base/bindinterfacesonly.xml | 99 |
1 files changed, 49 insertions, 50 deletions
diff --git a/docs/smbdotconf/base/bindinterfacesonly.xml b/docs/smbdotconf/base/bindinterfacesonly.xml index 0fd302ceaa..ae72efd73d 100644 --- a/docs/smbdotconf/base/bindinterfacesonly.xml +++ b/docs/smbdotconf/base/bindinterfacesonly.xml @@ -10,60 +10,59 @@ <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 <smbconfoption name="bind interfaces only"/> 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 <smbconfoption name="interfaces"/> 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 - <smbconfoption name="interfaces"/> 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 <smbconfoption name="interfaces"/> 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 <smbconfoption name="bind interfaces only"/> 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 + <smbconfoption name="interfaces"/> 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 <smbconfoption name="interfaces"/> 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 <smbconfoption + name="interfaces"/> 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 <smbconfoption name="bind interfaces only"/> is set then - unless the network address <emphasis>127.0.0.1</emphasis> is added - to the <smbconfoption name="interfaces"/> 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 <smbconfoption name="bind interfaces only"/> is set then unless the network address + <emphasis>127.0.0.1</emphasis> is added to the <smbconfoption name="interfaces"/> 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 - <smbconfoption name="bind interfaces only"/> is set then unless the - network address <emphasis>127.0.0.1</emphasis> is added to the - <smbconfoption name="interfaces"/> 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 + <smbconfoption name="bind interfaces only"/> is set then unless the network address + <emphasis>127.0.0.1</emphasis> is added to the <smbconfoption name="interfaces"/> 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> </description> <value type="default">no</value> |