[pptp-server] weird encryption problem

[Joey Coco]

I'm having a problem using encryption all together.. Oddly enough, I get
no errors loading hte modules tho. 

I did have your problem once, and it worked after pinging myself, then
pinging the remote end. I agree it prolly is a problem with the microsoft
VPN client.

-- Joe

> Hi
> 
> When I connect to a linux machine (2.2.17) running pptpd, without
> encryption, it connects fine, and allows me access to the network. As soon
> as I enable encryption, it connects fine, however wont allow me to ping
> anything. here is the logs from syslog:
> 
> Oct 25 06:31:01 rm4 pptpd[6235]: CTRL: Client 12.36.108.95 control
> connection started
> Oct 25 06:31:01 rm4 pptpd[6235]: CTRL: Starting call (launching pppd,
> opening GRE)
> Oct 25 06:31:02 rm4 kernel: registered device ppp0
> Oct 25 06:31:02 rm4 pppd[6236]: pppd 2.3.11 started by root, uid 0
> Oct 25 06:31:02 rm4 pppd[6236]: Using interface ppp0
> Oct 25 06:31:02 rm4 pppd[6236]: Connect: ppp0 <--> /dev/pts/1
> Oct 25 06:31:02 rm4 pptpd[6235]: GRE: Discarding duplicate packet
> Oct 25 06:31:04 rm4 pptpd[6235]: CTRL: Ignored a SET LINK INFO packet with
> real ACCMs!
> Oct 25 06:31:04 rm4 pppd[6236]: MSCHAP-v2 peer authentication succeeded for
> ana
> Oct 25 06:31:05 rm4 pppd[6236]: Cannot determine ethernet address for proxy
> ARP
> Oct 25 06:31:05 rm4 pppd[6236]: local  IP address 10.0.0.1
> Oct 25 06:31:05 rm4 pppd[6236]: remote IP address 10.0.0.2
> Oct 25 06:31:05 rm4 pppd[6236]: MPPE 40 bit, non-stateless compression
> enabled
> Oct 25 06:32:14 rm4 pppd[6236]: Protocol-Reject for unsupported protocol
> 0xf643
> 
> <then rip it down after a few minutes>
> 
> Oct 25 06:35:37 rm4 pptpd[6235]: CTRL: Ignored a SET LINK INFO packet with
> real ACCMs!
> Oct 25 06:35:37 rm4 pppd[6236]: LCP terminated by peer
> (*_>M-z^@<M-Mt^@^@^@^@)
> Oct 25 06:35:37 rm4 pptpd[6235]: CTRL: Error with select(), quitting
> Oct 25 06:35:37 rm4 pptpd[6235]: CTRL: Client 12.36.108.95 control
> connection finished
> Oct 25 06:35:37 rm4 pppd[6236]: Modem hangup
> Oct 25 06:35:37 rm4 pppd[6236]: Connection terminated.
> Oct 25 06:35:37 rm4 pppd[6236]: Connect time 4.6 minutes.
> Oct 25 06:35:37 rm4 pppd[6236]: Sent 7300 bytes, received 6473 bytes.
> Oct 25 06:35:37 rm4 pppd[6236]: Exit.
> 
> 
> it appears to connect fine, but will not ping anything, any ideas or
> suggestions greatly appreciated.
> 
> 
> regards,
> 
> Shannon Pearce
> 
> 
> 
> 
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