Thread: [Openvpn-users] Client disconnecting

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I have 13 clients, of these only 2 are disconnecting, like this.

Client log:

Thu Jun 05 13:10:21 2008 OpenVPN 2.1_rc4 Win32-MinGW [SSL] [LZO2] built on Apr 2
5 2007
Thu Jun 05 13:10:21 2008 WARNING: No server certificate verification method has
been enabled.  See http://openvpn.net/howto.html#mitm for more info.
Thu Jun 05 13:10:21 2008 LZO compression initialized
Thu Jun 05 13:10:21 2008 Control Channel MTU parms [ L:1576 D:140 EF:40 EB:0 ET:
0 EL:0 ]
Thu Jun 05 13:10:21 2008 Data Channel MTU parms [ L:1576 D:1450 EF:44 EB:135 ET:
32 EL:0 AF:3/1 ]
Thu Jun 05 13:10:21 2008 Local Options hash (VER=V4): '31fdf004'
Thu Jun 05 13:10:21 2008 Expected Remote Options hash (VER=V4): '3e6d1056'
Thu Jun 05 13:10:21 2008 Attempting to establish TCP connection with 68.228.1.24
8:1194
Thu Jun 05 13:10:21 2008 TCP connection established with 68.228.x.x:1194
Thu Jun 05 13:10:21 2008 Socket Buffers: R=[8192->8192] S=[8192->8192]
Thu Jun 05 13:10:21 2008 TCPv4_CLIENT link local: [undef]
Thu Jun 05 13:10:21 2008 TCPv4_CLIENT link remote: 68.228.x.x:1194
Thu Jun 05 13:10:21 2008 TLS: Initial packet from 68.228.x.x:1194, sid=f336e75
a 8d2785df
Thu Jun 05 13:10:22 2008 VERIFY OK: depth=1, /C=US/ST=LA/L=Lafayette/O=Xxxxx_Com
munications/CN=68.228.x.x/emailAddress=su...@ov...
Thu Jun 05 13:10:22 2008 VERIFY OK: depth=0, /C=US/ST=LA/O=Xxxxx_Communications/
CN=server/emailAddress=su...@ov...
Thu Jun 05 13:10:23 2008 Data Channel Encrypt: Cipher 'BF-CBC' initialized with
128 bit key
Thu Jun 05 13:10:23 2008 Data Channel Encrypt: Using 160 bit message hash 'SHA1'
 for HMAC authentication
Thu Jun 05 13:10:23 2008 Data Channel Decrypt: Cipher 'BF-CBC' initialized with
128 bit key
Thu Jun 05 13:10:23 2008 Data Channel Decrypt: Using 160 bit message hash 'SHA1'
 for HMAC authentication
Thu Jun 05 13:10:23 2008 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES2
56-SHA, 1024 bit RSA
Thu Jun 05 13:10:23 2008 [server] Peer Connection Initiated with 68.228.x.x:11
94
Thu Jun 05 13:10:24 2008 SENT CONTROL [server]: 'PUSH_REQUEST' (status=1)
Thu Jun 05 13:10:25 2008 PUSH: Received control message: 'PUSH_REPLY,route 192.1
68.0.0 255.255.255.0,dhcp-option WINS 10.8.0.1,route-gateway 10.8.0.1,ping 10,pi
ng-restart 120,ifconfig 10.8.0.8 255.255.255.0'
Thu Jun 05 13:10:25 2008 OPTIONS IMPORT: timers and/or timeouts modified
Thu Jun 05 13:10:25 2008 OPTIONS IMPORT: --ifconfig/up options modified
Thu Jun 05 13:10:25 2008 OPTIONS IMPORT: route options modified
Thu Jun 05 13:10:25 2008 OPTIONS IMPORT: route-related options modified
Thu Jun 05 13:10:25 2008 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options
 modified
Thu Jun 05 13:10:25 2008 TAP-WIN32 device [Local Area Connection 3] opened: \\.\
Global\{0E5F3521-081A-45EF-A876-14729574D432}.tap
Thu Jun 05 13:10:25 2008 TAP-Win32 Driver Version 9.3
Thu Jun 05 13:10:25 2008 TAP-Win32 MTU=1500
Thu Jun 05 13:10:25 2008 Notified TAP-Win32 driver to set a DHCP IP/netmask of 1
0.8.0.8/255.255.255.0 on interface {0E5F3521-081A-45EF-A876-14729574D432} [DHCP-
serv: 10.8.0.0, lease-time: 31536000]
Thu Jun 05 13:10:25 2008 NOTE: FlushIpNetTable failed on interface [3] {0E5F3521
-081A-45EF-A876-14729574D432} (status=6) : The handle is invalid.
Thu Jun 05 13:10:30 2008 TEST ROUTES: 1/1 succeeded len=1 ret=1 a=0 u/d=up
Thu Jun 05 13:10:30 2008 route ADD 192.168.0.0 MASK 255.255.255.0 10.8.0.1
Thu Jun 05 13:10:30 2008 ROUTE: route addition failed using CreateIpForwardEntry
: Network access is denied.   [status=65 if_index=3]
Thu Jun 05 13:10:30 2008 Route addition via IPAPI failed [adaptive]
Thu Jun 05 13:10:30 2008 Route addition fallback to route.exe
The route addition failed: Network access is denied.

Thu Jun 05 13:10:30 2008 Initialization Sequence Completed
Thu Jun 05 13:10:33 2008 Connection reset, restarting [-1]
Thu Jun 05 13:10:33 2008 TCP/UDP: Closing socket
Thu Jun 05 13:10:33 2008 SIGUSR1[soft,connection-reset] received, process restar
ting
Thu Jun 05 13:10:33 2008 Restart pause, 5 second(s)
Thu Jun 05 13:10:38 2008 WARNING: No server certificate verification method has
been enabled.  See http://openvpn.net/howto.html#mitm for more info.
Thu Jun 05 13:10:38 2008 Re-using SSL/TLS context
Thu Jun 05 13:10:38 2008 LZO compression initialized
Thu Jun 05 13:10:38 2008 Control Channel MTU parms [ L:1576 D:140 EF:40 EB:0 ET:
0 EL:0 ]
Thu Jun 05 13:10:38 2008 Data Channel MTU parms [ L:1576 D:1450 EF:44 EB:135 ET:
32 EL:0 AF:3/1 ]
Thu Jun 05 13:10:38 2008 Local Options hash (VER=V4): '31fdf004'
Thu Jun 05 13:10:38 2008 Expected Remote Options hash (VER=V4): '3e6d1056'
Thu Jun 05 13:10:38 2008 Attempting to establish TCP connection with 68.228.1.24
8:1194
Thu Jun 05 13:10:38 2008 TCP connection established with 68.228.x.x:1194
Thu Jun 05 13:10:38 2008 Socket Buffers: R=[8192->8192] S=[8192->8192]
Thu Jun 05 13:10:38 2008 TCPv4_CLIENT link local: [undef]
Thu Jun 05 13:10:38 2008 TCPv4_CLIENT link remote: 68.228.x.x:1194
Thu Jun 05 13:10:38 2008 TLS: Initial packet from 68.228.x.x:1194, sid=39eac05
4 fedea4cb
Thu Jun 05 13:10:39 2008 VERIFY OK: depth=1, /C=US/ST=LA/L=Lafayette/O=Xxxxx_Com
munications/CN=68.228.x.x/emailAddress=su...@ov...
Thu Jun 05 13:10:39 2008 VERIFY OK: depth=0, /C=US/ST=LA/O=Xxxxx_Communications/
CN=server/emailAddress=su...@ov...
Thu Jun 05 13:10:40 2008 Data Channel Encrypt: Cipher 'BF-CBC' initialized with
128 bit key
Thu Jun 05 13:10:40 2008 Data Channel Encrypt: Using 160 bit message hash 'SHA1'
 for HMAC authentication
Thu Jun 05 13:10:40 2008 Data Channel Decrypt: Cipher 'BF-CBC' initialized with
128 bit key
Thu Jun 05 13:10:40 2008 Data Channel Decrypt: Using 160 bit message hash 'SHA1'
 for HMAC authentication
Thu Jun 05 13:10:40 2008 Control Channel: TLSv1, cipher TLSv1/SSLv3 DHE-RSA-AES2
56-SHA, 1024 bit RSA
Thu Jun 05 13:10:40 2008 [server] Peer Connection Initiated with 68.228.x.x:11
94
Thu Jun 05 13:10:41 2008 SENT CONTROL [server]: 'PUSH_REQUEST' (status=1)
Thu Jun 05 13:10:41 2008 PUSH: Received control message: 'PUSH_REPLY,route 192.1
68.0.0 255.255.255.0,dhcp-option WINS 10.8.0.1,route-gateway 10.8.0.1,ping 10,pi
ng-restart 120,ifconfig 10.8.0.8 255.255.255.0'
Thu Jun 05 13:10:41 2008 OPTIONS IMPORT: timers and/or timeouts modified
Thu Jun 05 13:10:41 2008 OPTIONS IMPORT: --ifconfig/up options modified
Thu Jun 05 13:10:41 2008 OPTIONS IMPORT: route options modified
Thu Jun 05 13:10:41 2008 OPTIONS IMPORT: route-related options modified
Thu Jun 05 13:10:41 2008 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options
 modified
Thu Jun 05 13:10:41 2008 Preserving previous TUN/TAP instance: Local Area Connec
tion 3
Thu Jun 05 13:10:41 2008 Initialization Sequence Completed

It will continue to do this.

Client config:

##############################################
# Sample client-side OpenVPN 2.0 config file #
# for connecting to multi-client server.     #
#                                            #
# This configuration can be used by multiple #
# clients, however each client should have   #
# its own cert and key files.                #
#                                            #
# On Windows, you might want to rename this  #
# file so it has a .ovpn extension           #
##############################################

# Specify that we are a client and that we
# will be pulling certain config file directives
# from the server.
client

# Use the same setting as you are using on
# the server.
# On most systems, the VPN will not function
# unless you partially or fully disable
# the firewall for the TUN/TAP interface.
dev tap
;dev tun

# Windows needs the TAP-Win32 adapter name
# from the Network Connections panel
# if you have more than one.  On XP SP2,
# you may need to disable the firewall
# for the TAP adapter.
;dev-node MyTap

# Are we connecting to a TCP or
# UDP server?  Use the same setting as
# on the server.
proto tcp
;proto udp

# The hostname/IP and port of the server.
# You can have multiple remote entries
# to load balance between the servers.
remote 68.228.x.x 1194
;remote my-server-2 1194

# Choose a random host from the remote
# list for load-balancing.  Otherwise
# try hosts in the order specified.
;remote-random

# Keep trying indefinitely to resolve the
# host name of the OpenVPN server.  Very useful
# on machines which are not permanently connected
# to the internet such as laptops.
resolv-retry infinite

# Most clients don't need to bind to
# a specific local port number.
nobind

# Downgrade privileges after initialization (non-Windows only)
;user nobody
;group nobody

# Try to preserve some state across restarts.
persist-key
persist-tun

# If you are connecting through an
# HTTP proxy to reach the actual OpenVPN
# server, put the proxy server/IP and
# port number here.  See the man page
# if your proxy server requires
# authentication.
;http-proxy-retry # retry on connection failures
;http-proxy [proxy server] [proxy port #]

# Wireless networks often produce a lot
# of duplicate packets.  Set this flag
# to silence duplicate packet warnings.
;mute-replay-warnings

# SSL/TLS parms.
# See the server config file for more
# description.  It's best to use
# a separate .crt/.key file pair
# for each client.  A single ca
# file can be used for all clients.
ca ca.crt
cert rayne.crt
key rayne.key

# Verify server certificate by checking
# that the certicate has the nsCertType
# field set to "server".  This is an
# important precaution to protect against
# a potential attack discussed here:
#  http://openvpn.net/howto.html#mitm
#
# To use this feature, you will need to generate
# your server certificates with the nsCertType
# field set to "server".  The build-key-server
# script in the easy-rsa folder will do this.
;ns-cert-type server

# If a tls-auth key is used on the server
# then every client must also have the key.
;tls-auth ta.key 1

# Select a cryptographic cipher.
# If the cipher option is used on the server
# then you must also specify it here.
;cipher x

# Enable compression on the VPN link.
# Don't enable this unless it is also
# enabled in the server config file.
comp-lzo

# Set log file verbosity.
verb 3

# Silence repeating messages
;mute 20

Does anyone know what to do?

__________ Information from ESET NOD32 Antivirus, version of virus signature database 3162 (20080605) __________

The message was checked by ESET NOD32 Antivirus.

http://www.eset.com

Thread: [Openvpn-users] Client disconnecting

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