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[Openvpn-users] TLS Unroutable control packets


  • Subject: [Openvpn-users] TLS Unroutable control packets
  • From: Gavin Lewandowski <gavin@xxxxxxxxxxxxxxxxxx>
  • Date: Thu, 06 Dec 2007 16:09:40 +0000

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Hi,

I'm in the middle of re-configuring my OpenVPN (which died due to a
server crash).

I have the Server configured and all the certs/keys built for my clients.

I have successfully set up a tunnel between the server and my DD-WRT
enabled router, a Linksys NSLU2 and also a VPS.

I am having problems with my desktop PC in the office , where what ever
I try I am getting Unroutable control packets - I have followed the
advice found in the archives regarding syncing the times of the devices
however the problems still continues.

Any assistance would be appreciated.

Cheers,

Gavin

- -- enc logs and config files below

Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: LZO
compression initialized
Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: Control
Channel MTU parms [ L:1542 D:138 EF:38 EB:0 ET:0 EL:0 ]
Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: Data Channel
MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ]
Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: Local
Options hash (VER=V4): '41690919'
Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: Expected
Remote Options hash (VER=V4): '530fdded'
Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: UDPv4 link
local: [undef]
Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: UDPv4 link
remote: 195.YY.60.XX:1194
Dec  6 15:35:09 gavinlew-newark-desktop ovpn-client[25195]: TLS Error:
Unroutable control packet received from 195.YY.60.XX:1194 (si=3
op=P_CONTROL_V1)
Dec  6 15:35:09 gavinlew-newark-desktop last message repeated 7 times
Dec  6 15:35:11 gavinlew-newark-desktop ovpn-client[25195]: TLS Error:
Unroutable control packet received from 195.YY.60.XX:1194 (si=3 op=P_ACK_V1)
Dec  6 15:35:12 gavinlew-newark-desktop ovpn-client[25195]: TLS Error:
Unroutable control packet received from 195.YY.60.XX:1194 (si=3
op=P_CONTROL_V1)
Dec  6 15:35:12 gavinlew-newark-desktop last message repeated 7 times


- -- from the client /etc/openvpn/client.conf

client
dev tun
proto udp
remote avpnserver.somewhere.internet.org 1194
resolv-retry infinite
nobind
user nobody
group nobody
persist-key
persist-tun
ca ca.crt
cert newarkhouse.crt
key newarkhouse.key
ns-cert-type server
comp-lzo
verb 3
ping 10
ping-restart 60

- -- from the server /etc/openvpn/server.conf

port 1194
proto udp
dev tun
ca ca.crt
cert server.crt
key server.key  # This file should be kept secret
dh dh1024.pem
server 10.9.8.0 255.255.255.0
ifconfig-pool-persist ipp.txt
keepalive 10 120
comp-lzo
user nobody
group nobody
persist-key
persist-tun
status openvpn-status.log
verb 3

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