![]() I've set a breakpoint in my code and confirmed that the "machine" variable resolves to my external ip on my VM and my "port" variable corresponds with port 135. I see my successful RDP connections and a connection to port 80 (which I didn't explicitly attempt). I cannot see my attempt to connect to port 135 in my firewall logs. I had this working in the past, but opening up ports 20-21 does not seem to be working and I cannot recall how this used to work in the past. So the FTP connection is not from or to the server. The exception is thrown on the line with "client.EndConnect(result)". Id like to configure a Windows server 2012 firewall to allow FTP traffic from an intranet computer to an external webserver. Var success = (TimeSpan.FromSeconds(60), true) Ensure that you have configured pure-ftpd to listen on the relevant interface. Click Create (or click Equivalent Command Line to show the gcloud command to create the same rule) Update Please refer to docs to customize your rules. To allow incoming TCP connections to port 9090, in 'Protocols and Ports', check tcp and enter 9090. Var result = client.BeginConnect(machine, port, null, null) Set Source IP ranges to allow traffic from all IPs: 0.0.0.0/0. Properly respond after a period of time, or established connectionįailed because connected host has failed to respond"Ĭode: using (var client = new TcpClient()) "A connection attempt failed because the connected party did not Host key fingerprint: On the first connect you will be prompted to verify a server host key. IP address: Check External IP column on Compute > Compute Engine > VM Instances page of your project on Google Cloud Platform. One way, to run it, is using Tools > Run PuTTYgen command on WinSCP Login dialog. However, when I try to connect using the following code in my C# app, I get an exception that reads: PuTTYgen installs by default with WinSCP. Oddly, I can connect through my Windows RDP client without any issue. ![]() Most recently, I've tried setting up a firewall rule to allow all ingress connections (target: all instances in the network, source ip ranges: 0.0.0.0/0, allow all protocols and ports) Additionally, I've tried several configurations of the Firewall Rules within the VPC Network. I've even tried disabling the firewall completely on that machine without any luck. Within the Windows machine, I have tried specifically opening the ports I'm using (135 and 445). I'm having trouble making a TCP connection to a Windows virtual machine instance that I created in Google Cloud Platform's "Compute Engine".
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