i subscribe to a Dedicated Server Plan in Macincloud they sent me all access infos in a mail
i follow all steps but i can not connect :/
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error : timed out waiting for a response from the computer
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using w10/64, python 3.6, rpyc
I have a server receiving serial data and want the data to be published to any client asking for a connection.
In the server I add every client into a connection list and when detecting changes in the data publish it to all clients.
Clients send a "startListening" request to the server including ip and port. The server then opens its own connection to the client to update it with the new data.
I have an "on_disconnect" method in my servers commands class and it gets triggered when a client stops.
When the client restarts and sends a "startListening" again I get an EOFError on the server showing the clients ip/port.
How can I properly detect and close the client connection to allow for a reconnect?
I'm trying to connect a Simatic S7-1500 PLC to a WinCC SCADA system by OPC UA. The OPC UA server is KEPServerEX. I cannot get an OPC UA connection done between KEPServerEX (server) and WinCC explorer V7.3 (cliënt) with authentication enabled. I configured identification in user manager of KEPServerEX. I have encryption/signing security not enabled. I can browse the server in WinCC (with a wrong authentication I can't, so the username and password are correct), I can select tags, but when I add this server in tag managment, the connection status is and stays disconnected + I get the error: 'Error while ValidateItems: Unspecified error (80004005)'. Wireshark gave me a message called ServiceFault (BadUserAccessDenied). Also when browse is configured as denied in user manager, I can't browse in WinCC in task manager (as it should be).
I tried UAExpert as cliënt (just for testing purposes) to connect to the KEPServerEX OPC UA server, and this gave me a ''BadSecurityModeInsufficient' during ActivateSession' Error (if sign&encryption is disabled). If got the error ''BadVertificateHostNameInvalid' during CreateSession' (if sign&encryption is enabled) When I click Ignore, it works in both cases. But I want to get a connection with WinCC. Is there something I did wrong?
Thanks in advance,
Roel Konings
EDIT:
This is what I get in wireshark when I got a connection with WinCC:
It is just in a loop with Hello/Acknowledge, opensecurechannel, getendpoint and closesecurechannel, but there is no real connection. Someone who can help me with this? It only happens when authentication is enabled.
The ORACLE application is trying to send email using send mail running on a REDHAT LINUX server and the following error comes up, I don't have access to the code being a LINUX ADMIN and the application team sits on a remote location, just want to know what this error means exactly.
> ORA-29279: SMTP permanent error: 503 5.0.0 Need RCPT (recipient)
When I check the mail Log files around the same time, I see the line below, kindly guide me through to solve this issue.
sendmail[1812]: r6P80BgT001812: lost input channel from localhost.localdomain [127.0.0.1] to Daemon0 after data
I am trying to connect to website in win azure using filezilla. It connected fine for few minutes and I was able to upload the files. But then it stopped working. I am getting this message:
Response: 257 "/" is current directory.
Command: TYPE I
Response: 200 Type set to I.
Command: PASV
Response: 227 Entering Passive Mode (137,117,88,16,40,32).
Command: LIST
Response: 150 Opening BINARY mode data connection.
Response: 550 The network connection was aborted by the local system.
Error: Failed to retrieve directory listing
I have tried setting transfer mode to ACTIVE and few other suggestions, but nothing seems to work. What could be the problem?
There might be a time-out issue on the server. You will need to tell your FTP client to keep the connection alive so that it doesn't start a second connection while the first connection is still alive.
To set this in FileZilla client, go to Edit, Settings, Connection, FTP, and check "Send FTP keep-alive commands" checkbox.
For more detailed explanation of the problem, visit: http://blogs.msdn.com/b/wats/archive/2013/12/13/setting-up-a-passive-ftp-server-in-windows-azure-vm.aspx Scroll towards the bottom and read the "Points to consider from Azure SLB perspective" section.
I had the same problem with my FTP on Azure (getting 550 errors) and checking the "Send FTP keep-alive commands" checkbox above solved my problem.
Hope this helps!
The error message:
Response: 550 The network connection was aborted by the local system
Suggests that there is an error in your local network.
This error is not within Windows Azure, but within your local network (and appears to only be triggered by FileZilla). Contact your system administrator or Internet Service Provider. Also, please try first solving the problem yourself using something like this.
I have an Azure service bus queue which can't connect to my queue. On my pc it works fine, On our dev server it also works fine. We have deployed it on our test box and We are getting this error when trying to receive messages from the queue:
Microsoft.ServiceBus.Messaging.MessagingCommunicationException: Could
not connect to net.tcp://jeportal.servicebus.windows.net:9354/. The
connection attempt lasted for a time span of 00:00:14.9062482. TCP
error code 10060: A connection attempt failed because the connected
party did not properly respond after a period of time, or established
connection failed because connected host has failed to respond
168.62.48.238:9354. ---> System.ServiceModel.EndpointNotFoundException: Could not connect to
net.tcp://jeportal.servicebus.windows.net:9354/. The connection
attempt lasted for a time span of 00:00:14.9062482. TCP error code
10060: A connection attempt failed because the connected party did
not properly respond after a period of time, or established
connection failed because connected host has failed to respond
168.62.48.238:9354. ---> System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly
respond after a period of time, or established connection failed
because connected host has failed to respond
168.62.48.238:9354
We have disabled the firewall and it still doesn't work, any suggestions on troubleshooting ?
If this is related to firewall setting that you may want to try to set the connectivity mode to Http. More details at
http://msdn.microsoft.com/en-us/library/windowsazure/microsoft.servicebus.connectivitysettings.mode.aspx
and:
http://msdn.microsoft.com/en-us/library/windowsazure/microsoft.servicebus.connectivitymode.aspx
Try to increase the timeouts on your bindings to 1 minute and add your server application as an exception in Windows Firewall manually.
So this ended up being a simple issue of ou network firewall being restricted. We had told our SA's to open the ports up for 9354 goinging to the sb. They said they did open them... but they didn't. I walked throght it with them and we discovered it wasn't open