[pptp-server] Encryption Problem
Michael Walter
walterm at Gliatech.com
Thu Nov 4 16:16:06 CST 1999
On the 98 clients, in the dial-up properties for the VPN connection:
Have you disabled header compression?
Have you disabled use default gateway on remote network?
Have you disabled Netbeui?
Have you disabled IPX/SPX(You may need this depending on your
configuration)?
Michael J. Walter mcse
Gliatech, Inc.
walterm at gliatech.com
mwalter at drwalter.com
On Thursday, November 04, 1999 5:03 PM, locutus at imsa.edu
[SMTP:locutus at imsa.edu] wrote:
> Hello all.
>
> I have successfully installed PoPToP 1.0.0 on a RedHat 6.0 (kernel 2.2.5)
> system. I can connect to it from any 98 host, and can communicate with
> any host on my private network. However, when I check "require encrypted
> authentication" within the DUN properties on the client, I am no longer
> able to communicate with the private network. The DUN connection can
> still be established, and the correct IP is assigned, but communication
> is impossible. I have installed the ppp-mppe patch, recompiled the
kernel,
> and have loaded all of the necessary modules. I have also installed
SSLeay
> 0.6.6b. In addition, I have installed the DUN 4.0 update per the HOWTO.
> This happens from multiple clients, some running 98 and some running 98se.
> None of these have helped. Here is what I find in /var/log/pptpd.log:
>
> pppd[1735]: MPPE 40 bit, stateless compression enabled
> pppd[1735]: Script /etc/ppp/ip-up finished (pid 1736), status = 0x0
> pppd[1735]: rcvd [proto=0x4da7] cd 80 08 8a be c6 bc f1 4d 6e ad a5 04 2e
> 91 1f 96 1d b5 3d b0 f4 92 12 0c f9 a6 ce
> pppd[1735]: Unsupported protocol (0x4da7) received
>
> The last two lines continue, with a different set of numbers in the
> "unsupported protocol" line, until I disconnect. Here is my
/etc/ppp/options:
>
> lock
> debug
> auth
> +chap
> +chapms
> +chapms-v2
> mppe-40
> mppe-128
> mppe-stateless
> name punk
> require-chap
> proxyarp
>
> I have run out of ideas. Any suggestions?
>
> Thanks in advance.
>
> Michael Holl
> --
> locutus at imsa.edu
>
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