mia erwtisi gia ti syndesi mesw vpn sto EMP

Sun Oct 28 20:37:35 EET 2007

Geia sas,
Eimai kainourios sti lista. Edw kai arketes meres prospathw na syndethw sto
vpn diktyo tou EMP (polytexneio) apo to linux. H dianomi pou exw einai to
Ubuntu 7.10 32bit.

Gia ti syndesi apaiteitai openvpn kai username/password kathws kai merika
arxeia configuration kai episis certification files. Odigies genika yparxoun
sto
http://www.noc.ntua.gr/index.php?module=ContentExpress&func=display&ceid=166&meid=175

To problima mou einai to eksis:
Ws root dinw tin entoli:
openvpn --config /etc/openvpn/ntua-udp.ovpn
(tha ithela na pw oti exw kanei mia mikri allagi sto ntua-udp.ovpn
# Set log file verbosity.
verb 4

i opoia fysika den epireazei to apotelesma, apla einai gia na parw
perissoteri pliroforia sto log.

loipon, ola pane kala mexri to simeio:
Sun Oct 28 20:27:44 2007 us=851723 PUSH: Received control message:
'PUSH_REPLY,redirect-gateway,dhcp-option DNS 147.102.222.210,dhcp-option DNS
147.102.222.220,dhcp-option DNS 147.102.222.230,route-gateway
147.102.131.1,topology
subnet,ping 10,ping-restart 120,ifconfig 147.102.131.3 255.255.255.128'
Sun Oct 28 20:27:44 2007 us=851910 Options error: Unrecognized option or
missing parameter(s) in [PUSH-OPTIONS]:6: topology (2.0.9)

Parathetw olo to log apo to simeio pou bazw username/password mipws kai
einai xrisimo:
Sun Oct 28 20:27:36 2007 us=894587 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.
Sun Oct 28 20:27:36 2007 us=894688 WARNING: No server certificate
verification method has been enabled.  See
http://openvpn.net/howto.html#mitm for more info.
Sun Oct 28 20:27:36 2007 us=896197 LZO compression initialized
Sun Oct 28 20:27:36 2007 us=896583 Control Channel MTU parms [ L:1542 D:138
EF:38 EB:0 ET:0 EL:0 ]
Sun Oct 28 20:27:41 2007 us=994085 Data Channel MTU parms [ L:1542 D:1450
EF:42 EB:135 ET:0 EL:0 AF:3/1 ]
Sun Oct 28 20:27:41 2007 us=994175 Local Options String: 'V4,dev-type
tun,link-mtu 1542,tun-mtu 1500,proto UDPv4,comp-lzo,cipher BF-CBC,auth
SHA1,keysize 128,key-method 2,tls-client'
Sun Oct 28 20:27:41 2007 us=994199 Expected Remote Options String:
'V4,dev-type tun,link-mtu 1542,tun-mtu 1500,proto UDPv4,comp-lzo,cipher
BF-CBC,auth SHA1,keysize 128,key-method 2,tls-server'
Sun Oct 28 20:27:41 2007 us=994268 Local Options hash (VER=V4): '41690919'
Sun Oct 28 20:27:41 2007 us=994313 Expected Remote Options hash (VER=V4):
'530fdded'
Sun Oct 28 20:27:41 2007 us=994358 Socket Buffers: R=[110592->131072]
S=[110592->131072]
Sun Oct 28 20:27:41 2007 us=994391 UDPv4 link local: [undef]
Sun Oct 28 20:27:41 2007 us=994418 UDPv4 link remote: 147.102.224.54:1194
Sun Oct 28 20:27:42 2007 us=87382 TLS: Initial packet from
147.102.224.54:1194, sid=3e6cadef d3e36b55
Sun Oct 28 20:27:43 2007 us=224459 VERIFY OK: depth=2,
/C=GR/O=NTUA/CN=NTUA_ROOT_CA
Sun Oct 28 20:27:43 2007 us=228285 VERIFY OK: depth=1,
/C=GR/O=NTUA/CN=NTUA_CA_2006-2018
Sun Oct 28 20:27:43 2007 us=229644 VERIFY OK: depth=0,
/C=gr/O=ntua/OU=servers/CN=vpn.ntua.gr/serialNumber=29
Sun Oct 28 20:27:43 2007 us=702716 Data Channel Encrypt: Cipher 'BF-CBC'
initialized with 128 bit key
Sun Oct 28 20:27:43 2007 us=702773 Data Channel Encrypt: Using 160 bit
message hash 'SHA1' for HMAC authentication
Sun Oct 28 20:27:43 2007 us=702922 Data Channel Decrypt: Cipher 'BF-CBC'
initialized with 128 bit key
Sun Oct 28 20:27:43 2007 us=702950 Data Channel Decrypt: Using 160 bit
message hash 'SHA1' for HMAC authentication
Sun Oct 28 20:27:43 2007 us=703048 Control Channel: TLSv1, cipher
TLSv1/SSLv3 DHE-RSA-AES256-SHA, 1024 bit RSA
Sun Oct 28 20:27:43 2007 us=703106 [vpn.ntua.gr] Peer Connection Initiated
with 147.102.224.54:1194
Sun Oct 28 20:27:44 2007 us=757034 SENT CONTROL [vpn.ntua.gr]:
'PUSH_REQUEST' (status=1)
Sun Oct 28 20:27:44 2007 us=851723 PUSH: Received control message:
'PUSH_REPLY,redirect-gateway,dhcp-option DNS 147.102.222.210,dhcp-option DNS
147.102.222.220,dhcp-option DNS 147.102.222.230,route-gateway
147.102.131.1,topology
subnet,ping 10,ping-restart 120,ifconfig 147.102.131.3 255.255.255.128'
Sun Oct 28 20:27:44 2007 us=851910 Options error: Unrecognized option or
missing parameter(s) in [PUSH-OPTIONS]:6: topology (2.0.9)
Sun Oct 28 20:27:44 2007 us=851956 OPTIONS IMPORT: timers and/or timeouts
modified
Sun Oct 28 20:27:44 2007 us=851977 OPTIONS IMPORT: --ifconfig/up options
modified
Sun Oct 28 20:27:44 2007 us=851995 OPTIONS IMPORT: route options modified
Sun Oct 28 20:27:44 2007 us=852014 OPTIONS IMPORT: --ip-win32 and/or
--dhcp-option options modified
Sun Oct 28 20:27:44 2007 us=852077 WARNING: Since you are using --dev tun,
the second argument to --ifconfig must be an IP address.  You are using
something (255.255.255.128) that looks more like a netmask. (silence this
warning with --ifconfig-nowarn)
Sun Oct 28 20:27:44 2007 us=855034 TUN/TAP device tun0 opened
Sun Oct 28 20:27:44 2007 us=855100 TUN/TAP TX queue length set to 100
Sun Oct 28 20:27:44 2007 us=855157 ifconfig tun0 147.102.131.3 pointopoint
255.255.255.128 mtu 1500
SIOCSIFDSTADDR: Invalid argument
Sun Oct 28 20:27:44 2007 us=865300 Linux ifconfig failed: shell command
exited with error status: 1
Sun Oct 28 20:27:44 2007 us=865357 Exiting

Tha ithela na pw episis, oti apo windows den exw kanena problima, syndeomai
kanonika. Episis to log sta windows einai to idio me to log sto linux mexri
to simeio pou parousizetai to problima.

Kapoios eixe proteinei stin idia lista se ena paromoio problima na
xrisimopoiisei tap sti thesi tou tun (an katalaba kala). Auto de douleuei se
mena

Sas euxaristw poli
nikos
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