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  #1  
Old 15th November 2005, 06:51 PM
felipesba Offline
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Join Date: Nov 2005
Posts: 1
Question Poptop error

When I try to establish one conection from my Xp to my VPN fc4 pptpd server I receive the following messages on my log:

ov 16 16:48:04 flunfers pptpd[23403]: CTRL: Client 192.168.1.23 control connection started
Nov 16 16:48:04 flunfers pptpd[23403]: CTRL: Starting call (launching pppd, opening GRE)
Nov 16 16:48:04 flunfers pppd[23404]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
Nov 16 16:48:04 flunfers pptpd[23403]: GRE: Bad checksum from pppd.
Nov 16 16:48:04 flunfers pptpd[23403]: GRE: Received too short packet from pppd.
Nov 16 16:48:04 flunfers pptpd[23403]: GRE: Bad checksum from pppd.
Nov 16 16:48:06 flunfers pptpd[23403]: CTRL: Ignored a SET LINK INFO packet with real ACCMs!
Nov 16 16:48:06 flunfers pptpd[23403]: CTRL: Client 192.168.1.23 control connection finished

here is my options.pptpd file:
################################################## #############################
# $Id: options.pptp,v 1.1 2005/02/18 01:40:23 quozl Exp $
#
# Sample PPTP PPP options file /etc/ppp/options.pptp
# Options used by PPP when a connection is made by a PPTP client.
# This file can be referred to by an /etc/ppp/peers file for the tunnel.
# Changes are effective on the next connection. See "man pppd".
#
# You are expected to change this file to suit your system. As
# packaged, it requires PPP 2.4.2 or later from http://ppp.samba.org/
# and the kernel MPPE module available from the CVS repository also on
# http://ppp.samba.org/, which is packaged for DKMS as kernel_ppp_mppe.
################################################## #############################

# Lock the port
lock

# Authentication
# We don't need the tunnel server to authenticate itself
noauth

# We won't do EAP, CHAP, or MSCHAP, but we will accept MSCHAP-V2
refuse-eap
refuse-chap
refuse-mschap

# Compression
# Turn off compression protocols we know won't be used
nobsdcomp
nodeflate

"options.pptpd" 49L, 1668C

Is it something wrong ????
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  #2  
Old 15th November 2005, 08:23 PM
brunson Offline
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Join Date: Jun 2005
Location: Westminster, Colorado
Posts: 2,304
What do your pppd logs and config look like?
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  #3  
Old 30th August 2006, 08:59 AM
Tyraiden Offline
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Join Date: Aug 2006
Posts: 2
I got a simular error:

##########################/var/log/debug######################
Aug 29 20:46:53 server pptpd[18321]: CTRL: Client 192.168.2.1 control connection started Aug 29 20:46:53 server pptpd[18321]: CTRL: Starting call (launching pppd, opening GRE) Aug 29 20:46:53 server pppd[18322]: Plugin /usr/lib/pptpd/pptpd-logwtmp.so loaded.
Aug 29 20:46:53 server pppd[18322]: pptpd-logwtmp: $Version$ Aug 29 20:46:53 server pppd[18322]: pppd 2.4.3 started by root, uid 0 Aug 29 20:46:53 server pppd[18322]: using channel 46 Aug 29 20:46:53 server pppd[18322]: Using interface ppp0 Aug 29 20:46:53 server pppd[18322]: Connect: ppp0 <--> /dev/pts/3 Aug 29 20:46:53 server pppd[18322]: sent [LCP ConfReq id=0x1 <asyncmap
0x0> <auth chap MS-v2> <magic 0x19d3e85e> <pcomp> <acc
omp>]
Aug 29 20:46:53 server pptpd[18321]: GRE:
read(fd=7,buffer=80565c0,len=8260) from network failed: status = -1 error = Protoco l not available Aug 29 20:46:53 server pptpd[18321]: CTRL: GRE read or PTY write failed
(gre,pty)=(7,6)
Aug 29 20:46:53 server pptpd[18321]: CTRL: Reaping child PPP[18322] Aug 29 20:46:53 server pppd[18322]: Modem hangup Aug 29 20:46:53 server pppd[18322]: Connection terminated.
Aug 29 20:46:53 server pppd[18322]: Exit.
Aug 29 20:46:53 server pptpd[18321]: CTRL: Client 192.168.2.1 control connection finished

####################/etc/ppp/options.pptpd#######################
################################################## #############################
# $Id: options.pptpd,v 1.9 2005/08/02 11:33:32 quozl Exp $
#
# Sample Poptop PPP options file /etc/ppp/options.pptpd
# Options used by PPP when a connection arrives from a client.
# This file is pointed to by /etc/pptpd.conf option keyword.
# Changes are effective on the next connection. See "man pppd".
#
# You are expected to change this file to suit your system. As
# packaged, it requires PPP 2.4.2 and the kernel MPPE module.
################################################## #############################


# Authentication

# Name of the local system for authentication purposes
# (must match the second field in /etc/ppp/chap-secrets entries)
name pptpd

# Strip the domain prefix from the username before authentication.
# (applies if you use pppd with chapms-strip-domain patch)
#chapms-strip-domain


# Encryption
# (There have been multiple versions of PPP with encryption support,
# choose with of the following sections you will use.)


# BSD licensed ppp-2.4.2 upstream with MPPE only, kernel module ppp_mppe.o
# {{{
refuse-pap
refuse-chap
refuse-mschap
# Require the peer to authenticate itself using MS-CHAPv2 [Microsoft
# Challenge Handshake Authentication Protocol, Version 2] authentication.
require-mschap-v2
# Require MPPE 128-bit encryption
# (note that MPPE requires the use of MSCHAP-V2 during authentication)
require-mppe-128
# }}}

# OpenSSL licensed ppp-2.4.1 fork with MPPE only, kernel module mppe.o
# {{{
#-chap
#-chapms
# Require the peer to authenticate itself using MS-CHAPv2 [Microsoft
# Challenge Handshake Authentication Protocol, Version 2] authentication.
#+chapms-v2
# Require MPPE encryption
# (note that MPPE requires the use of MSCHAP-V2 during authentication)
#mppe-40 # enable either 40-bit or 128-bit, not both
#mppe-128
#mppe-stateless
# }}}


# Network and Routing

# If pppd is acting as a server for Microsoft Windows clients, this
# option allows pppd to supply one or two DNS (Domain Name Server)
# addresses to the clients. The first instance of this option
# specifies the primary DNS address; the second instance (if given)
# specifies the secondary DNS address.
#ms-dns 10.0.0.1
#ms-dns 10.0.0.2

# If pppd is acting as a server for Microsoft Windows or "Samba"
# clients, this option allows pppd to supply one or two WINS (Windows
# Internet Name Services) server addresses to the clients. The first
# instance of this option specifies the primary WINS address; the
# second instance (if given) specifies the secondary WINS address.
#ms-wins 10.0.0.3
#ms-wins 10.0.0.4

# Add an entry to this system's ARP [Address Resolution Protocol]
# table with the IP address of the peer and the Ethernet address of this
# system. This will have the effect of making the peer appear to other
# systems to be on the local ethernet.
# (you do not need this if your PPTP server is responsible for routing
# packets to the clients -- James Cameron)
proxyarp


# Logging

# Enable connection debugging facilities.
# (see your syslog configuration for where pppd sends to)
debug

# Print out all the option values which have been set.
# (often requested by mailing list to verify options)
#dump


# Miscellaneous

# Create a UUCP-style lock file for the pseudo-tty to ensure exclusive
# access.
lock

# Disable BSD-Compress compression
nobsdcomp

# Disable Van Jacobson compression
# (needed on some networks with Windows 9x/ME/XP clients, see posting to
# poptop-server on 14th April 2005 by Pawel Pokrywka and followups,
# http://marc.theaimsgroup.com/?t=111343175400006&r=1&w=2 )
novj
novjccomp

# turn off logging to stderr, since this may be redirected to pptpd
nologfd



I can connect from inside my network, but I cant connect from the outside.


Does anyone have any idea how to get this thing working?

Greets
Sander

Last edited by Tyraiden; 30th August 2006 at 05:01 PM.
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