[pptp-server] Problems to connect w/ Encryption

[Emir Toktar]

I'm not sure , but  isn't it necessary put in /etc/ppp/options:
...
name servername_vpn
....

// same in

/etc/ppp/chap-secret 
> # client        server              secret                  IP addresses
.....               servername_vpn   .......



Emir Toktar

----- Original Message ----- 
From: Carlos Castro Pena <jcaspen at ittc.ukans.edu>
To: <pptp-server at lists.schulte.org>
Sent: Wednesday, August 11, 1999 9:02 PM
Subject: [pptp-server] Problems to connect w/ Encryption


> I am trying to connect w/ encryption enabled, but I get the following
> error:
> 
> Aug 11 18:34:19 xxx pptpd[428]: MGR: Manager process started
> No free connection slots or IPs available - no more clients can connect!
> 
> Aug 11 18:43:53 xxxx pptpd[428]: MGR: No free connection slots or IPs -
> no more clients can connect!
> Aug 11 18:43:53 xxxx pptpd[436]: CTRL: Client a.b.c.d control connection
> started
> /usr/sbin/pppd: The remote system is required to authenticate itself but
> I
> /usr/sbin/pppd: couldn't find any suitable secret (password) for it to
> use to do so.
> Aug 11 18:43:54 xxxx pptpd[436]: CTRL: Starting call (launching pppd,
> opening GRE)
> Aug 11 18:43:54 xxxx pptpd[436]: GRE: read(fd=5,buffer=804cffc,len=8196)
> from PTY failed: status = -1 error = Input/output error
> Aug 11 18:43:54 xxxx  pptpd[436]: CTRL: PTY read or GRE write failed
> (pty,gre)=(5,6)
> Aug 11 18:43:54 xxxx  pptpd[436]: CTRL: Client a.b.c.d control
> connection finished
> Aug 11 18:43:54 xxxx  pppd[437]: The remote system is required to
> authenticate itself but I
> Aug 11 18:43:54 xxxx pppd[437]: couldn't find any suitable secret
> (password) for it to use to do so.
> 
> 
> POPTOP:
> ------
> 
> /etc/ppp/options:
> 
> lock
> debug
> auth
> +chap
> +chapms
> +chapms-v2
> mppe-40
> mppe-128
> mppe-stateless
> 
> /etc/ppp/chap-secret
> 
> # Secrets for authentication using CHAP
> # client        server  secret                  IP addresses
> xxxxxxxx  server     xxxxxxxx  *
> 
> /etc/pptpd.conf
> 
> speed 115200
> localip 10.0.2.22
> remoteip 10.0.2.30
> 
> lsmod  (ppp is compiled in the kernel):
> 
> Module                  Size  Used by
> ppp_mppe               10432   0  (unused)
> ppp_deflate            38460   0  (unused)
> bsd_comp                3456   0  (unused)
> 
> /user/sbin/pptpd: was generated from kernel 2.3.8 + patch + rc4 files
> from SSLeay 0.6.6b
> 
> 
> Execution script:
> 
> sudo arp --set 10.0.2.22 aa:bb:cc:dd:ee:ff pub
> sudo ../pptpd-0.9.11/pptpd
> 
> 
> Client:
> ----
> I will put my pptp 1.0.2 client configuration .  I get the same error as
> listed before with the Windows 98 clients. Both clients worked without
> problems with PoPTop with no encryption.
> I installed pppd here as in the PoPtop server (patched w/ rc4)
> 
> The linux client  says :
> 
> (unknown)[391]: log[pptp_dispatch_ctrl_packet:pptp_ctrl.c:531]: Client
> connection established.
> (unknown)[391]: log[pptp_dispatch_ctrl_packet:pptp_ctrl.c:637]: Outgoing
> call established.
> 
> /usr/sbin/pppd: The remote system (xxxxxxxx) is required to authenticate
> itself but I
> /usr/sbin/pppd: couldn't find any suitable secret (password) for it to
> use to do so.
> (unknown)[391]: log[pptp_read_some:pptp_ctrl.c:368]: read error: Broken
> pipe
> 
> The Windows client says that I was disconnected.
> 
> /etc/ppp/options:
> 
> lock
> debug
> auth
> +chap
> +chapms
> +chapms-v2
> mppe-40
> mppe-128
> mppe-stateless
> 
> /etc/ppp/chap-screts:
> 
> # client        server  secret                  IP addresses
> xxxxxxxx  server     xxxxxxxx  *
> 
> 
> Execution script:
> 
> sudo ../pptp-linux-1.0.2/pptp hostname name xxxxxxxx remotename xxxxxxxx
> 
> The name and remotename user here are the same as the ones defined in
> the chap-secrets file of PoPTop
> 
> 
> Any suggestion?
> 
> 
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