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Re: [Openvpn-users] What causes connection reset errors?


  • Subject: Re: [Openvpn-users] What causes connection reset errors?
  • From: Yan Seiner <yan@xxxxxxxxxx>
  • Date: Wed, 14 Nov 2007 07:10:26 -0800

Yan Seiner wrote:
> Yan Seiner wrote:
>   
>> Yan Seiner wrote:
>>   
>>     
>>> I just shipped out another client and it's failing to connect.  I tested 
>>> it thoroughly before it went out and it worked fine but now the 
>>> connection is getting reset.
>>>
>>> Which end is getting reset?  Mine or the remote?
>>>     
>>>       
>
> Never mind.  The system connected just fine this morning.
>
> I have no idea why; perhaps a router between me and them....
>
>   
The client dropped the connection again last night.  Now it's trying to 
reconnect.  Can anyone tell me what is going on?  Why am I getting 'ACK 
output sequence broken' and what does it mean?

Nov 14 07:07:01 selene ovpn-server[26016]: TCP connection established 
with 64.203.219.186:1402
Nov 14 07:07:01 selene ovpn-server[26016]: TCPv4_SERVER link remote: 
64.203.219.186:1402
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 MULTI 
TCP: instance added: 64.203.219.186:1402
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 MULTI 
TCP: multi_tcp_action a=TA_INITIAL p=0
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 MULTI 
TCP: multi_tcp_dispatch a=TA_INITIAL mi=0x006a0b70
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 MULTI 
TCP: multi_tcp_post TA_INITIAL -> TA_SOCKET_WRITE
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 MULTI 
TCP: multi_tcp_action a=TA_SOCKET_WRITE p=1
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 MULTI 
TCP: multi_tcp_wait_lite a=TA_SOCKET_WRITE mi=0x006a0b70
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 MULTI 
TCP: multi_tcp_dispatch a=TA_SOCKET_WRITE mi=0x006a0b70
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [14] to 64.203.219.186:1402: 
P_CONTROL_HARD_RESET_SERVER_V2 kid=0 [ ] pid=0 DATA len=0
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [14] from 64.203.219.186:1402: 
P_CONTROL_HARD_RESET_CLIENT_V2 kid=0 [ ] pid=0 DATA len=0
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 TLS: 
Initial packet from 64.203.219.186:1402, sid=7b2447a6 53560b63
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [26] to 64.203.219.186:1402: 
P_CONTROL_HARD_RESET_SERVER_V2 kid=0 [ 0 ] pid=0 DATA len=0
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [26] from 64.203.219.186:1402: 
P_CONTROL_HARD_RESET_CLIENT_V2 kid=0 [ 0 ] pid=0 DATA len=0
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [22] to 64.203.219.186:1402: P_ACK_V1 kid=0 [ 0 ]
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 0 ]
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [99] from 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=1 DATA len=85
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [126] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ 1 
] pid=1 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=2 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=3 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=4 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [5] 1 2 3 4
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 1 ]
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=5 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [6] 5 2 3 4
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [30] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 2 3 4 ]
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=6 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=7 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=8 DATA len=100
Nov 14 07:07:01 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [9] 5 6 7 8
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 5 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=9 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [10] 9 6 7 8
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 6 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=10 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [11] 9 10 7 8
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [26] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 7 8 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=11 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=12 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [13] 9 10 11 12
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 9 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=13 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [14] 13 10 11 12
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 10 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=14 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [15] 13 14 11 12
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 11 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=15 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [16] 13 14 15 12
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 12 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=16 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [17] 13 14 15 16
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 13 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=17 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [18] 17 14 15 16
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 14 ]
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=18 DATA len=100
Nov 14 07:07:02 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [19] 17 18 15 16
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 15 ]
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=19 DATA len=100
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [20] 17 18 19 16
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 16 ]
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=20 DATA len=100
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [21] 17 18 19 20
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER READ [22] from 64.203.219.186:1402: P_ACK_V1 kid=0 [ 17 ]
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
TCPv4_SERVER WRITE [114] to 64.203.219.186:1402: P_CONTROL_V1 kid=0 [ ] 
pid=21 DATA len=100
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 ACK 
output sequence broken: [22] 21 18 19 20
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
Connection reset, restarting [0]
Nov 14 07:07:03 selene ovpn-server[26016]: 64.203.219.186:1402 
SIGUSR1[soft,connection-reset] received, client-instance restarting


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