[pptp-server] PTY, GRE prob

[linux at orgx.co.nz]

Hi,

the client is using a "Microsoft VPN Adapter" etc.  I did actually have it 
working earlier but it would "choke" after a short period of time, and it 
didn't have MPPE support which we want.  So I started again and have the 
MPPE support in the kernel and PPP.  But now PPTPD fails to complete 
negotiation of the setup.  Boohoo.  I'm still trying...

Cheers,

Richard Shepherd





Paul Rodgers <psr at lcsweb.com>
05/11/00 09:07 AM

 
        To:     "'linux at orgx.co.nz'" <linux at orgx.co.nz>
        cc: 
        Subject:        RE: [pptp-server] PTY, GRE prob

Newbie here, but I've seen similar probs before.
Is the client trying to negotiate w/ multiple protocols??
Sorry, but I must ask ---  ru using a plain DUN adapter instead of a 
tunneling 'adapter'?
Paul

On Wednesday, May 10, 2000 5:04 AM, linux at orgx.co.nz 
[SMTP:linux at orgx.co.nz] wrote:
> Hi,
> 
> I am fairly new to PPTP but still don't think I should have this 
problem. 
> I have pptp 1.0, ppp-2.3.10 with the ppp-2.3.10-openssl-0.9.4-mppe.patch 

> patch applied.  I run /usr/local/sbin/pptpd --debug.  The kernel is 
> rebuilt and has the modules ppp, ppp-mppe, and others loaded.  Whenever 
I 
> attempt a connection from my Win98 box I get immediately disconnected 
and 
> in the Linux syslogs I see:
> 
> May 10 21:46:53 bts pptpd[3552]: CTRL: Starting call (launching pppd, 
> opening GRE)
> May 10 21:46:53 bts pptpd[3552]: CTRL: pty_fd = 4
> May 10 21:46:53 bts pptpd[3552]: CTRL: tty_fd = 5
> May 10 21:46:53 bts pptpd[3552]: CTRL: I wrote 32 bytes to the client.
> May 10 21:46:53 bts pptpd[3552]: CTRL: Sent packet to client
> May 10 21:46:53 bts pptpd[3553]: CTRL (PPPD Launcher): Connection speed 
= 
> 115200
> May 10 21:46:53 bts pptpd[3553]: CTRL (PPPD Launcher): local address = 
> 192.168.10.134
> May 10 21:46:53 bts pptpd[3553]: CTRL (PPPD Launcher): remote address = 
> 192.168.10.248
> May 10 21:46:53 bts pptpd[3552]: GRE: read(fd=4,buffer=804d9c0,len=8196) 

> from PTY failed: status = -1 error = Input/output error
> May 10 21:46:53 bts pptpd[3552]: CTRL: PTY read or GRE write failed 
> (pty,gre)=(4,5)
> May 10 21:46:53 bts pptpd[3552]: CTRL: Client 192.168.10.193 control 
> connection finished
> May 10 21:46:53 bts pptpd[3552]: CTRL: Exiting now
> May 10 21:46:53 bts pptpd[3551]: MGR: Reaped child 3552
> 
> The message from the Win98 dialogue is that my password is incorrect but 
I 
> don't believe that's the problem.  I've searched the list archives and 
not 
> seen an answer to this which has fixed it for me!  *PLEASE* can anyone 
> help me?
> 
> My config files are:
> 
> /etc/ppp/options:
> 
> lock
> debug
> name bts
> auth
> ##require-chap
> proxyarp
> ms-dns 192.168.99.30
> ms-wins 192.168.10.11
> +chap
> +chapms
> +chapms-v2
> mppe-40
> mppe-128
> mppe-stateless
> 
> /etc/pptpd.conf:
> 
> speed 115200
> localip 192.168.10.134
> remoteip 192.168.10.248-249
> 
> /etc/ppp/chap-secrets:
> 
> # Secrets for authentication using CHAP
> # client        server  secret                  IP addresses
> me        bts     mysecret                   *
> 
> Cheers,
> 
> Richard Shepherd << File: ATT00008.htm >> 


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