[pptp-server] error-message... "Unknown protocol..."

John McKendry mckendry at mediaone.net
Tue Mar 13 16:12:25 CST 2001


John McKendry wrote:
> 
> > Mar 13 15:41:47 lyngstol pppd[27680]: Unsupported protocol 0xc636 received
> >
>  I have been having a similar problem with the PPTP client, and I finally
> made it go away last night.

 Sadly I must retract this claim - apparently I was making some other mistake
that masked the "unsupported protocol" errors. They are still happening. So
I add myself to the list of those who would like an answer. My configuration
is kernel 2.2.14, pptp client 1.0.2, pppd 2.3.8 with patch
ppp2.3.8-mppe-others-norc4_TH7; I am calling out to a corporate Microsoft server 
through a pptp-masquerading Linux firewall.
I can connect to the same server through the firewall with a Windows 2000
laptop, so I don't think masquerading is an issue. I am sure the connection
is negotiated to mppe-40, not stateless. My rc4 files are from SSLeay-0.6.6.

 Sorry to get anyone's hopes up prematurely.

John



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