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These notes refer to the [Linux Intrusion Detection System|LIDS] !!Installation Instructions If you have no experience in installing a new Kernel please refer to the KernelNotes section. !Kernel 2.6.x Assumes the lids package is installed in /usr/src/lids-{version}-{kernel-version}, and the kernel source is installed to /usr/src/linux-{kernel-version}. The examples will assume kernel 2.6.0 and lids 2.0.3 for 2.6.0. * First ensure you have a working installtion of the 2.6.x kernel that you wish to add the LIDS patch to. * Patch the source of the 2.6.x kernel with the [LIDS] patch % cd /usr/src/linux-2.6.0 % patch -p1 < /usr/src/lids-2.0.3-2.6.0/lids-2.0.3-2.6.0.patch * Configure the lidstools package % cd /usr/src/lids-2.0.3-2.6.0/lidstools-0.5.1 % ./configure KERNEL_DIR=/usr/src/linux-2.6.0 * Install the lidstools package % make % make install * Enter your [LIDS] password (Don't forget this) * Configure the 2.6.x kernel (make config|menuconfig|xconfig) and enable [LIDS] % cd /usr/src/linux-2.6.0 % make menuconfig --> Security Options [[*] Enable Different Security Models < > Default Linux Capabilities --> Linux Intrusion Detection System <M> Linux Intrusion Detection System support (EXPERIMENTAL) * As with any kernel upgrade ensure you have a backup kernel that can be loaded in the event of a failure. * Build the new kernel % make all % make modules_install * Setup the [ACL]s for your [LIDS] installation (/etc/lids) % cd /etc/lids check the files: lids.ini, lids.net, lids.*.cap, lids.*.conf * Install the new kernel Don't forget to update your BootLoader (GRUB, LILO, or other) to be able to load the new kernel. * Test the kernel % reboot * Load the LIDS module % modprobe lids !!Installation Notes * When compiling the [LIDS] module, you cannot load it if the default linux capabilities security module is already loaded. !!Usage * Refer to the documentation or the installation instructions provided with the lidstools source and lids patch. (ie. RTFM)
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