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APPENDIX
A1. Install MPPE Kernel Module on Fedora Core 4
(last update: 6 March 2006)
MPPE support is required for MSCHAPv2. Depending on the kernel version, you may or may not require to perform this step. Kernel version 2.6.15 or above has MPPE built-in. If you are using the latest FC4 2.6.15 kernel, you can go to Step 8 now. If you are using an older kernel which does not support MPPE, you will have to add this feature to it.
To test if your kernel supports MPPE:
[root@pptp ~]# modprobe ppp-compress-18 && echo ok If it returns an "ok", you can safely skip this step and move to Step 8 . If you see "FATAL: Module ppp_mppe not found.", install MPPE support as described in the following procedure:
Download the MPPE module builder in rpm format from here. The required RPMs are::
dkms-2.0.6-1.noarch.rpmkernel_ppp_mppe-1.0.2-3dkms.noarch.rpm Install them with command "rpm -ivh".
[root@pptp ~]# rpm -ivh dkms-2.0.6-1.noarch.rpm[root@pptp ~]# rpm -ivh kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm If you upgrade your kernel to 2.6.13 or above, kernel_ppp_mppe version 1.0.2 or above must be used. Otherwise, the pptp tunnel will not connect and you will see error message "This system lacks kernel support for PPP." in /var/log/messages.
Note:(1) Fedora Extra provides also a dkms rpm, dkms-2.0.6-3.fc4.noarch.rpm. I have not tested it. You may want to use the one I mentioned above to make sure the installation will work.
A1.1 Kernel Upgrade and dkms_autoinstaller
(last update: 6 March 2006) If you upgrade your kernel after installing dkms, thanks to the dkms_autoinstaller service, you will not have to worry about the dkms kernel module. dkms_autoinstaller runs on every bootup. It checks the dkms module to ensure it match the kernel version. If a mismatch is found, it will create a proper one for the boot kernel.
For dkms_autoinstaller to work, you will need the correct kernel-devel version installed in your system. It is always a good idea to install the kernel-devel rpm alongside with your new kernel.
A2. Upgrade pppd on Fedora Core 4
(last update 6 March 2006) FC4 comes with ppp-2.4.2-7. It is required to be upgraded to a patched version which supports MPPE. The patched version can be found in here. Download the rpm for FC4. At the time of writing, the latest version is 2.4.3-5. Get the FC4 rpm:
ppp-2.4.3-5.fc4.i386.rpm Upgrade the ppp with the downloaded version:
[root@pptp ~]# rpm -Uvh ppp-2.4.3-5.fc4.i386.rpm Note: If you are a Gentoo user, and are using kernel v2.6.15, the ppp-2.4.3-5 does NOT work because of MPPC. You may find more information from here.
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发表于 2006-10-26 12:12
