[pptp-server] Getting there a step at a time
srhodes at amll.com
Fri Aug 6 08:59:54 CDT 1999
I am away from my machines, so I don't have exact reference, but it sounds like
you forgot to compile the modules after building the pppd with mppe encryption.
In your lib/modules subdir there should be an object file called ppp_mppe.o, as
well as ppp_deflate.o and bsd_comp.o. These correspond to the ppp-compress-xx
messages. The biggest one here is ppp-compress-18 which is ppp_mppe. If you
run the command insmod ppp_mppe, and it succeeds, this message should go away.
If it fails, you forgot to install the module.
This can happen unexpectedly, because there are a couple of tricks to get it
in. When you build pppd-2.3.8, you have to go into the pppd-2.3.8/linux subdir
and run a command ./kinstall.sh. This patches the kernel modules so ppp_mppe
will build. You then have to go over to the kernel source at /usr/src/linux and
run make modules, then make modules_install. This should put the ppp_mppe.o
file into lib/modules.
You can then edit the conf.modules file and add alias ppp-compress-18 ppp_mppe.
This will auto load the encryption stuff. There are entries that will also get
the other two, but I can't recall which is which. One of them will get two
ppp-compress-xx messages to go away.
Michael Walter wrote:
> Hello again all,
> Well, thanks to Steve Rhodes for pointing out the big problem in my pptpd
> server configuration. I had assumed that in the pptpd.conf file the remote
> address was supposed to be the address of the internet nic. When I changed
> this to the internal address I wanted to supply to the vpn client most of my
> problems went away. I can now connect to the vpn effortlessly, ping to the
> local subnet, use mschap-v2, and pretty much be a complete member of the
> local network. I am still having one problem however, when I tell the win98
> client to require encrypted data I get an error 742, the server does not
> support data encryption on the client. The pptpd.log file reports gateway
> modpro be: can't locate module ppp-compress-18. I have done the aliasing
> for ppp-compress-21, ppp-compress-24 and ppp-compress-26. Does anyone know
> if there is an alias for ppp-compress-18, or did i miss something when I
> added rc4 support?
> Thanks for all the help so far,
> Michael J. Walter mcse
> Gliatech, Inc.
> walterm at gliatech.com
> mwalter at drwalter.com
> pptp-server maillist - pptp-server at lists.schulte.org
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