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This file documents the next steps to take after installation of the
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Debian package, and also contain some notes specific to the Debian
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packaging which are not also in the manual.
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* Choose the Client Network Interface
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Please make sure that the correct network interface is specified in
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the DEVICE setting in the "/etc/initramfs-tools/initramfs.conf"
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file. If the setting is empty, the interface will be autodetected
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at boot time, which may not be correct. *If* the DEVICE setting is
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changed, it will be necessary to update the initrd image by running
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update-initramfs -k all -u
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The device can be overridden at boot time on the Linux kernel
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command line using the sixth colon-separated field of the "ip="
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option; for exact syntax, read the documentation in the file
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"/usr/share/doc/linux-doc-*/Documentation/filesystems/nfsroot.txt",
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available in the "linux-doc-*" package.
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Note that since this network interface is used in the initial RAM
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disk environment, the network interface *must* exist at that stage.
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Thus, the interface can *not* be a pseudo-interface such as "br0" or
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"tun0"; instead, a real interface (such as "eth0") must be used.
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* Adding a Client Password to the Server
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is possible to verify that the correct password will be received by
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this client by running the command, on the client:
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MANDOSPLUGINHELPERDIR=/usr/lib/$(dpkg-architecture \
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-qDEB_HOST_MULTIARCH)/mandos/plugin-helpers \
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/usr/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH \
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)/mandos/plugins.d/mandos-client \
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/usr/lib/mandos/plugins.d/mandos-client \
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--pubkey=/etc/keys/mandos/pubkey.txt \
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--seckey=/etc/keys/mandos/seckey.txt; echo
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it, and output it to standard output. There it can be verified to
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be the correct password, before rebooting.
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If it ever should be necessary, the Mandos client can be temporarily
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prevented from running at startup by passing the parameter
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"mandos=off" to the kernel.
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* Specifying a Client Network Interface
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At boot time the network interfaces to use will by default be
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automatically detected. If this should result in incorrect
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interfaces, edit the DEVICE setting in the
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"/etc/initramfs-tools/initramfs.conf" file. (The default setting is
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empty, meaning it will autodetect the interface.) *If* the DEVICE
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setting is changed, it will be necessary to update the initrd image
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by running the command
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update-initramfs -k all -u
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The device can also be overridden at boot time on the Linux kernel
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command line using the sixth colon-separated field of the "ip="
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option; for exact syntax, read the documentation in the file
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"/usr/share/doc/linux-doc-*/Documentation/filesystems/nfs/nfsroot.txt",
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available in the "linux-doc-*" package.
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Note that since the network interfaces are used in the initial RAM
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disk environment, the network interfaces *must* exist at that stage.
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Thus, an interface can *not* be a pseudo-interface such as "br0" or
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"tun0"; instead, only real interfaces (such as "eth0") can be used.
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This can be overcome by writing a "network hook" program to create
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an interface (see mandos-client(8mandos)) and placing it in
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"/etc/mandos/network-hooks.d", from where it will be copied into the
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initial RAM disk. Example network hook scripts can be found in
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"/usr/share/doc/mandos-client/examples/network-hooks.d".
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* User-Supplied Plugins
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Any plugins found in "/etc/mandos/plugins.d" will override and add
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Mandos client will be the new default way for getting a password for
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the root file system when booting.
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If it ever should be necessary, the Mandos client can be temporarily
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prevented from running at startup by passing the parameter
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"mandos=off" to the kernel.
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* Non-local Connection (Not Using ZeroConf)
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If the "ip=" kernel command line option is used to specify a
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complete IP address and device name, as noted above, it then becomes
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possible to specify a specific IP address and port to connect to,
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instead of using ZeroConf. The syntax for doing this is
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"mandos=connect:<IP_ADDRESS>:<PORT_NUMBER>" on the kernel command
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"mandos=connect:<IP_ADDRESS>:<PORT_NUMBER>".
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For very advanced users, it it possible to specify simply
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"mandos=connect" on the kernel command line to make the system only
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work, "--options-for=mandos-client:--connect=<ADDRESS>:<PORT>" needs
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to be manually added to the file "/etc/mandos/plugin-runner.conf".
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* Diffie-Hellman Parameters
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On installation, a file with Diffie-Hellman parameters,
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/etc/keys/mandos/dhparams.pem, will be generated and automatically
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installed into the initital RAM disk image and also used by the
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Mandos Client on boot. If different parameters are needed for
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policy or other reasons, simply replace the existing dhparams.pem
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file and update the initital RAM disk image.
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-- Teddy Hogeborn <teddy@recompile.se>, Sun, 12 Jul 2015 03:24:24 +0200
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-- Teddy Hogeborn <teddy@fukt.bsnet.se>, Mon, 27 Sep 2010 19:53:21 +0200
added
removed
debian/mandos-client.README.Debian
