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Hi Tiger Big, hmmm I misread your config file a little bit. I saw tls-client ifconfig <IP> <IP> the first statement is a client/server setup (openvpn 2.x) whereas the second statement is used mostly in point-to-point (openvpn 1.x) setups. However, if you use ifconfig <IP> <NETMASK> which your config file shows then you're fine. Sorry about that. As for the warnings, your client log file shows that you're connecting thru an HTTP proxy - I presume this is intentional; it might be best to reflect this in the openvpn client config file. It should not make much difference but you never know. Finally, try reducing the 'tun-mtu' parameter on both sides (to e.g. 1200) and see if that helps at all. cheers, JJK Tiger Big wrote: > thanks Jan, but still the same results/warnings. > > one more question, why would you say "config files don't make sense" ? > the only difference between my original conf and your modified version > is the method of how to obtain IP address. > > > > On Dec 6, 2007 5:06 PM, Jan Just Keijser <janjust@xxxxxxxxx> wrote: > >> your client and server config files don't make sense. Try this for the >> server config: >> >> local xxx.xxx.org >> >> port 8080 >> proto tcp-server >> tls-server >> server 192.168.10.0 255.255.255.0 >> >> dev tap0 >> cert X509/Server/server.crt >> key X509/Server/server.key >> dh X509/Server/dh1024.pem >> ca X509/CA/ca.crt >> >> keepalive 10 120 >> user nobody >> group nobody >> persist-key >> persist-tun >> comp-lzo >> verb 4 >> mute 10 >> >> and this for the client >> >> local abc >> remote xxx.xxx.org 8080 >> >> proto tcp-client >> tls-client >> dev tap >> dev-node tap0 >> nobind >> cert D:\\OpenVPN\\easy-rsa\\keys\\Tiger.crt >> key D:\\OpenVPN\\easy-rsa\\keys\\Tiger.key >> ca D:\\OpenVPN\\easy-rsa\\keys\\ca.crt >> >> keepalive 10 120 >> comp-lzo >> verb 4 >> mute 10 >> >> HTH, >> >> JJK >> >> >> Tiger Big wrote: >> >>> Server Configuration (Linux)： >>> −−−−−−−−−−−−−−−−−− >>> local xxx.xxx.org >>> port 8080 >>> proto tcp-server >>> tls-server >>> dev tap0 >>> cert X509/Server/server.crt >>> key X509/Server/server.key >>> dh X509/Server/dh1024.pem >>> ca X509/CA/ca.crt >>> ifconfig 192.168.10.11 255.255.255.0 >>> keepalive 10 120 >>> user nobody >>> group nobody >>> persist-key >>> persist-tun >>> comp-lzo >>> verb 4 >>> mute 10 >>> −−−−−−−−−−−−−−−−−− >>> >>> >>> Client Configuration (WinXP): >>> ------------------------------------------ >>> local abc >>> remote xxx.xxx.org 8080 >>> proto tcp-client >>> tls-client >>> dev tap >>> dev-node tap0 >>> nobind >>> cert D:\\OpenVPN\\easy-rsa\\keys\\Tiger.crt >>> key D:\\OpenVPN\\easy-rsa\\keys\\Tiger.key >>> ca D:\\OpenVPN\\easy-rsa\\keys\\ca.crt >>> ifconfig 192.168.10.11 255.255.255.0 >>> keepalive 10 120 >>> comp-lzo >>> verb 4 >>> mute 10 >>> -------------------------------------------- >>> >>> Output of Server： >>> −−−−−−−−−−−−−−−−−−−−−− >>> Wed Nov 7 22:46:52 2007 us=395451 OpenVPN 2.0.9 mipsel-unknown-linux >>> [SSL] [LZO] built on Oct 8 2007 >>> Wed Nov 7 22:46:53 2007 us=139174 Diffie-Hellman initialized with >>> 1024 bit key >>> Wed Nov 7 22:46:53 2007 us=167393 LZO compression initialized >>> Wed Nov 7 22:46:53 2007 us=177324 Control Channel MTU parms [ L:1576 >>> D:140 EF:40 EB:0 ET:0 EL:0 ] >>> Wed Nov 7 22:46:53 2007 us=207122 TUN/TAP device tap0 opened >>> Wed Nov 7 22:46:53 2007 us=209204 TUN/TAP TX queue length set to 100 >>> Wed Nov 7 22:46:53 2007 us=211730 /sbin/ifconfig tap0 192.168.10.11 >>> netmask 255.255.255.0 >>> mtu 1500 broadcast 192.168.10.255 >>> >>> Wed Nov 7 22:46:53 2007 us=276813 Data Channel MTU parms [ L:1576 >>> D:1450 EF:44 EB:135 ET:32 EL:0 AF:3/1 ] >>> Wed Nov 7 22:46:53 2007 us=278702 GID set to nobody >>> Wed Nov 7 22:46:53 2007 us=279692 UID set to nobody >>> Wed Nov 7 22:46:53 2007 us=280933 Listening for incoming TCP >>> connection on 123.45.67.89:8080 >>> >>> Wed Nov 7 22:47:00 2007 us=344674 TCP connection established with >>> 98.76.54.32:48883 >>> >>> Wed Nov 7 22:47:00 2007 us=345622 Socket Buffers: R=[43689->65534] >>> S=[16384->65534] >>> Wed Nov 7 22:47:00 2007 us=346587 TCPv4_SERVER link local (bound): >>> 123.45.67.89:8080 >>> >>> Wed Nov 7 22:47:00 2007 us=347462 TCPv4_SERVER link remote: >>> 98.76.54.32:48883 >>> >>> Wed Nov 7 22:47:00 2007 us=354161 TLS: Initial packet from >>> 98.76.54.32:48883 sid=2e4d871b 12ba58ca >>> >>> Wed Nov 7 22:47:02 2007 us=930794 VERIFY OK: depth=1, >>> /C=CN/ST=SH/L=SH/O=Company/OU=Building_3_/CN=WR850G/Email=xxx@xxxxxxx >>> <mailto:xxx@xxxxxxx> >>> >>> Wed Nov 7 22:47:02 2007 us=953126 VERIFY OK: depth=0, >>> /C=CN/ST=SH/O=Company/OU=Building_3_/CN=Tiger/Email= xxx@xxxxxxx >>> <mailto:xxx@xxxxxxx> >>> >>> Wed Nov 7 22:47:04 2007 us=189347 Data Channel Encrypt: Cipher >>> 'BF-CBC' initialized with 128 bit key >>> Wed Nov 7 22:47:04 2007 us=192065 Data Channel Encrypt: Using 160 bit >>> message hash 'SHA1' for HMAC authentication >>> Wed Nov 7 22:47:04 2007 us=196237 Data Channel Decrypt: Cipher >>> 'BF-CBC' initialized with 128 bit key >>> Wed Nov 7 22:47:04 2007 us=198498 Data Channel Decrypt: Using 160 bit >>> message hash 'SHA1' for HMAC authentication >>> Wed Nov 7 22:47:04 2007 us=388832 Control Channel: TLSv1, cipher >>> TLSv1/SSLv3 EDH-RSA-DES-CBC3-SHA, 1024 bit RSA >>> Wed Nov 7 22:47:04 2007 us=392021 [Tiger] Peer Connection Initiated >>> with 98.76.54.32:48883 >>> >> >> >>> Wed Nov 7 22:47:05 2007 us=629230 Initialization Sequence Completed >>> −−−−−−−−−−−−−−−−−−−−−− >>> >>> Output of Client： >>> ----------------------------------------------------- >>> Thu Nov 08 14:46:58 2007 us=24485 Current Parameter Settings: >>> Thu Nov 08 14:46:58 2007 us=24531 config = 'client.ovpn' >>> Thu Nov 08 14:46:58 2007 us=24541 mode = 0 >>> Thu Nov 08 14:46:58 2007 us=24552 show_ciphers = DISABLED >>> Thu Nov 08 14:46:58 2007 us=24562 show_digests = DISABLED >>> Thu Nov 08 14:46:58 2007 us=24572 show_engines = DISABLED >>> Thu Nov 08 14:46:58 2007 us=24582 genkey = DISABLED >>> Thu Nov 08 14:46:58 2007 us=24593 key_pass_file = '[UNDEF]' >>> Thu Nov 08 14:46:58 2007 us=24603 show_tls_ciphers = DISABLED >>> Thu Nov 08 14:46:58 2007 us=24614 proto = 2 >>> Thu Nov 08 14:46:58 2007 us=24624 NOTE: --mute triggered... >>> Thu Nov 08 14:46:58 2007 us=24651 188 variation(s) on previous 10 >>> message(s) suppressed by --mute >>> Thu Nov 08 14:46:58 2007 us=24666 OpenVPN 2.0.9 Win32-MinGW [SSL] >>> [LZO] built on Oct 1 2006 >>> Thu Nov 08 14:46:58 2007 us=24748 IMPORTANT: OpenVPN's default port >>> number is now 1194, based on an official port number assignment by >>> IANA. OpenVPN 2.0-beta16 and earlier used 5000 as the default port. >>> Thu Nov 08 14:46:58 2007 us=24763 WARNING: No server certificate >>> verification method has been enabled. See >>> http://openvpn.net/howto.html#mitm for more info. >>> Thu Nov 08 14:46:58 2007 us=26495 LZO compression initialized >>> Thu Nov 08 14:46:58 2007 us=26589 Control Channel MTU parms [ L:1576 >>> D:140 EF:40 EB:0 ET:0 EL:0 ] >>> Thu Nov 08 14:46:58 2007 us=46092 TAP-WIN32 device [tap0] opened: >>> \\.\Global\{B45A907D-B030-4F6F-9FE1-001F6C3AEB48}.tap >>> Thu Nov 08 14:46:58 2007 us=46122 TAP-Win32 Driver Version 8.4 >>> Thu Nov 08 14:46:58 2007 us=46135 TAP-Win32 MTU=1500 >>> Thu Nov 08 14:46:58 2007 us=46156 Notified TAP-Win32 driver to set a >>> DHCP IP/netmask of 192.168.10.11/255.255.255.0 >>> on interface >>> >>> {B45A907D-B030-4F6F-9FE1-001F6C3AEB48} [DHCP-serv: 192.168.10.0 >>> lease-time: 31536000] >>> >>> Thu Nov 08 14:46:58 2007 us=53796 Successful ARP Flush on interface >>> [3] {B45A907D-B030-4F6F-9FE1-001F6C3AEB48} >>> Thu Nov 08 14:46:58 2007 us=55539 Data Channel MTU parms [ L:1576 >>> D:1450 EF:44 EB:135 ET:32 EL:0 AF:3/1 ] >>> Thu Nov 08 14:46:58 2007 us=55586 Local Options String: 'V4,dev-type >>> tap,link-mtu 1576,tun-mtu 1532,proto TCPv4_CLIENT,ifconfig >>> 192.168.10.0 255.255.255.0 >>> ,comp-lzo,cipher BF-CBC,auth SHA1,keysize >>> >>> 128,key-method 2,tls-client' >>> Thu Nov 08 14:46:58 2007 us=55602 Expected Remote Options String: >>> 'V4,dev-type tap,link-mtu 1576,tun-mtu 1532,proto >>> TCPv4_SERVER,ifconfig 192.168.10.0 255.255.255.0 >>> ,comp-lzo,cipher BF-CBC,auth SHA1,keysize >>> >>> 128,key-method 2,tls-server' >>> Thu Nov 08 14:46:58 2007 us=55634 Local Options hash (VER=V4): '1b763cc3' >>> Thu Nov 08 14:46:58 2007 us=55652 Expected Remote Options hash >>> (VER=V4): '2f5a5592' >>> Thu Nov 08 14:46:58 2007 us=55680 Attempting to establish TCP >>> connection with 127.0.0.1:3128 >>> >>> Thu Nov 08 14:46:58 2007 us=63009 TCP connection established with >>> 127.0.0.1:3128 >>> >>> Thu Nov 08 14:46:58 2007 us=63039 Send to HTTP proxy: 'CONNECT >>> xxx.xxx.org:8080 HTTP/1.0' >>> >>> Thu Nov 08 14:46:59 2007 us=159521 HTTP proxy returned: 'HTTP/1.1 200 >>> Connection established' >>> Thu Nov 08 14:47:01 2007 us=158850 Socket Buffers: R=[8192->8192] >>> S=[8192->8192] >>> Thu Nov 08 14:47:01 2007 us=159020 TCPv4_CLIENT link local: >>> 172.24.201.50 >>> >>> Thu Nov 08 14:47:01 2007 us=159037 TCPv4_CLIENT link remote: >>> 127.0.0.1:3128 >>> >>> Thu Nov 08 14:47:01 2007 us=390961 TLS: Initial packet from >>> 127.0.0.1:3128 , sid=9696962b 6944c74a >>> >>> Thu Nov 08 14:47:03 2007 us=206615 VERIFY OK: depth=1, >>> /C=CN/ST=SH/L=SH/O=Company/OU=Building_3_/CN=WR850G/emailAddress= >>> xxx@xxxxxxx <mailto:xxx@xxxxxxx> >>> >>> Thu Nov 08 14:47:03 2007 us=208774 VERIFY OK: depth=0, >>> /C=CN/ST=SH/O=Company/OU=Building_3_/CN=Server/emailAddress=xxx@xxxxxxx >>> <mailto:xxx@xxxxxxx> >>> >>> Thu Nov 08 14:47:05 2007 us=389449 NOTE: Options consistency check may >>> be skewed by version differences >>> Thu Nov 08 14:47:05 2007 us=389494 WARNING: 'version' is used >>> inconsistently, local='version V4', remote='version V0 UNDEF' >>> Thu Nov 08 14:47:05 2007 us=389513 WARNING: 'dev-type' is present in >>> local config but missing in remote config, local='dev-type tap' >>> Thu Nov 08 14:47:05 2007 us=389531 WARNING: 'link-mtu' is present in >>> local config but missing in remote config, local='link-mtu 1576' >>> Thu Nov 08 14:47:05 2007 us=389549 WARNING: 'tun-mtu' is present in >>> local config but missing in remote config, local='tun-mtu 1532' >>> Thu Nov 08 14:47:05 2007 us=389571 WARNING: 'proto' is present in >>> local config but missing in remote config, local='proto TCPv4_SERVER' >>> Thu Nov 08 14:47:05 2007 us=389607 WARNING: 'ifconfig' is present in >>> local config but missing in remote config, local='ifconfig >>> 192.168.10.0 255.255.255.0 ' >>> >>> Thu Nov 08 14:47:05 2007 us=389625 WARNING: 'comp-lzo' is present in >>> local config but missing in remote config, local='comp-lzo' >>> Thu Nov 08 14:47:05 2007 us=389643 WARNING: 'cipher' is present in >>> local config but missing in remote config, local='cipher BF-CBC' >>> Thu Nov 08 14:47:05 2007 us=389659 WARNING: 'auth' is present in local >>> config but missing in remote config, local='auth SHA1' >>> Thu Nov 08 14:47:05 2007 us=389673 NOTE: --mute triggered... >>> Thu Nov 08 14:47:05 2007 us=389977 3 variation(s) on previous 10 >>> message(s) suppressed by --mute >>> Thu Nov 08 14:47:05 2007 us=389991 Data Channel Encrypt: Cipher >>> 'BF-CBC' initialized with 128 bit key >>> Thu Nov 08 14:47:05 2007 us=390009 Data Channel Encrypt: Using 160 bit >>> message hash 'SHA1' for HMAC authentication >>> Thu Nov 08 14:47:05 2007 us=390090 Data Channel Decrypt: Cipher >>> 'BF-CBC' initialized with 128 bit key >>> Thu Nov 08 14:47:05 2007 us=390106 Data Channel Decrypt: Using 160 bit >>> message hash 'SHA1' for HMAC authentication >>> Thu Nov 08 14:47:05 2007 us=390453 Control Channel: TLSv1, cipher >>> TLSv1/SSLv3 EDH-RSA-DES-CBC3-SHA, 1024 bit RSA >>> Thu Nov 08 14:47:05 2007 us=390487 [Server] Peer Connection Initiated >>> with 127.0.0.1:3128 >>> >>> Thu Nov 08 14:47:06 2007 us=630508 TEST ROUTES: 0/0 succeeded len=-1 >>> ret=1 a=0 u/d=up >>> Thu Nov 08 14:47:06 2007 us=630535 Initialization Sequence Completed >>> ---------------------------------------------------------- >>> >>> >>> Why there're so many WARNINGS: >>> >>> 1.Both client and server use same version - 2.0.9，why does the client >>> say: "NOTE: Options consistency check may be skewed by version >>> differences" >>> 2.Many options (like 'comp-lzo') have been enabled in both client and >>> server's configuration, why does client say " WARNING: 'comp-lzo' is >>> present in local config but missing in remote config, local='comp-lzo'"？ >>> ------------------------------------------------------------------------ >>> >>> ____________________________________________ Openvpn-users mailing list Openvpn-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/openvpn-users |