![]() ![]() On Windows, putty is a commonly used open source SSH client but the availability of SSH servers on Windows is more limited, particularly non-commercial options hence stunnel being recommended for Windows.Īn internet search for SSH tunneling will return numerous articles and guides. SSH may be a more suitable approach when using MAC, Linux or Unix that normally includes an SSH client and server as standard. This uses the same connection architecture as above but using SSH client and servers instead of stunnel. Tunneling Using SSH Īn alternate method for secure connection tunneling is to use SSH. See the stunnel documentation and various articles on the web. There are numerous options for security and using your own certificates etc. The above configuration uses all the default settings for stunnel. SUT1, Host=localhost Port=5801SUT2, Host=localhost Port=5802 If you have installed stunnel using the installer, there will be various startup options in the Windows Start Menu to start it as a GUI using stunnel.exe or as a service.Īdd Connection List entries for each SUT but pointing to the local address and port as in step 3. It will automatically load the nf in the same folder. If running from a command window, run “tstunnel.exe” on each machine. This assumes your VNC server is using the default port 5900. Repeat for each SUT e.g.Ĭlient = yesaccept = localhost:5802connect = MY_SUT_HOST2:5901Įdit the nf file on each SUT to add the lines: The local port, 5801, can be any free local port. Replace MY_SUT_HOST1 with your SUT host or IP address. The installation folder will contain an example nf file.Įdit the nf file on the Eggplant Functional PC and add the lines:Ĭlient = yesaccept = localhost:5801connect = MY_SUT_HOST1:5901 Also install or copy the stunnel files onto the SUT (or you can use a shared network folder). Run the installer or extract the files from into a folder using a tool such as 7zip on the Eggplant Functional system. The client stunnel can be configured so the client can connect to multiple servers. The VNC connection is then tunneled through the encrypted connection and results in a further local connection on the server between the server stunnel and the VNC server. This stunnel then creates an encrypted connection to stunnel running on the system under test. stunnel.exe high CPU and resource consumption stunnel.exe high CPU and resource consumption What to do if stunnel.exe eats alot of procesor time and memory on your Windows (XP, 7, 8 or Windows 10) A lot of Windows processes, including stunnel.exe, can from time to time consume a bunch of computer resources. The VNC connection is configured so that instead of creating a direct unencrypted connection between the client and server, the client connects to a local stunnel instance. See the stunnel license page for details. Stunnel is free software released under the GNU GPL2 so there are no commercial restrictions for usage although there can be restrictions on the security algorithms for certain regions. For Linux, Unix, or Mac platforms, you can build from source although you may prefer to use SSH tunneling (see Tunneling Using SSH, below). Stunnel has binary installers or stand alone executables for Windows and has a text configuration file. It is also recommended that you run a performance scan to automatically optimize memory and CPU settings.ĭownload PC Repair Tool & fix stunnel-4.10.To implement encrypted communication between Eggplant Functional and a system under test (SUT), we recommend using stunnel from Stunnel creates a Secure Socket Layer (SSL) encryption wrapper for the VNC connections that is transparent to both the client and server. Make sure the system’s device drivers are updated properly.Run a registry cleaner to repair and remove the Windows registry that is causing stunnel-4.10.exe error.Make sure your PC is protected with proper anti-virus software program.The solution to fixing stunnel-4.10.exe error include any one of the following This also leads to a corrupted registry causing the error.Īpplication conflicts and Missing or corrupt windows drivers can also lead to stunnel-4.10.exe error. It can happen because of errors during installation, lack of hard disk space, and crash during install. Incomplete installation Another common reason behind stunnel-4.10.exe error is an incomplete installation. This occurs because they modify the registry which is very important in the proper functioning of processes. They slow down the whole system and also cause. ![]() There are many reasons why you are seeing stunnel-4.10.exe error in your Windows system including: Malicious software Malicious software infects the system with malware, keyloggers, spyware, and other malicious actors. ![]()
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