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That is exactly when a guess is required...
When all information is available, you can rationally deduce what causes the problem.
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Luc Pattyn wrote: When all information is available
Exactly so; but until then ...
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Until then...
For now I can live without an answer.
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And without providing more information that's how it will remain, I am afraid.
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Wild guess: your project got corrupted. Try "rebuild all".
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LOL. Already tried that. Didn't work.
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Hi all, I'm following a basic dotnet core tutorial ASP.NET Tutorial | Hello World in 10 minutes | .NET using a SBC Nanopim4 running Armbian. I've reached the dotnet run stage Of the asp sample ) and it reports it's listening on ports 5000 and 5001. However I can't browse to the site and if I run nmap from my laptop it returns both ports closed. Another thing is, if I run nmap localhost on the Pi it returns ports open but using it's actual ip address it returns ports closed - any ideas folks ?
We can’t stop here, this is bat country - Hunter S Thompson RIP
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By default, Kestrel only listens for connections on localhost; you normally use another web server as a "reverse proxy" to your application.
You should be able to add a UseUrls call to your WebHostBuilder to make it listen on the actual IP address:
c# - Remotely connect to .net core self hosted web api - Stack Overflow[^]
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Thanks Richard, through that link I found that you can modify Properties\launchSettings.json as I show below - and all is good - probably not the way to do it in a production app but good enough for my learning at this early stage, The 10.10.1.143 parts were set to localhost. Thanks again.
{
"iisSettings": {
"windowsAuthentication": false,
"anonymousAuthentication": true,
"iisExpress": {
"applicationUrl": "http://localhost:6371",
"sslPort": 44318
}
},
"profiles": {
"IIS Express": {
"commandName": "IISExpress",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
},
"WebApp": {
"commandName": "Project",
"launchBrowser": true,
"applicationUrl": "https://10.10.1.143:5001;http://10.10.1.143:5000",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
}
}
}
We can’t stop here, this is bat country - Hunter S Thompson RIP
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Basic way to test net connectivity in windows (but same exists in linux.) Open a console window and type the following command.
telnet <host> <port>
Substitute in the above for the values you want to test for <host> and <port>. For example
telnet localhost 5000
There are several possible outcomes.
1- It reports immediately that it cannot find the host. This indicates a "Domain Name Server"(DNS) error. Outside the scope of what you are currently doing but generally because you typed the wrong value or you do not know the correct DNS name
2- It reports a no connection error immediately. That means it got to the computer (DNS) but that the port on that computer was not 'open'. So the app that you expected there was not in fact there.
3- It sits for a while and then reports an connection failure. That indicates that it is trying to get to the DNS but something is dropping the connection attempt between it and the computer. This is often a firewall or network issue.
4- It returns a blank screen. That indicates it successfully connected and thus the connectivity test is done.
What might one expect from such a test based on your description. I would suspect 1 or 2. You are using the wrong DNS or even though it 'reports' that it is waiting on that port either it isn't doing that at all or it opens it and immediately closes it.
Should note that these days this works for everything: http, https, soap, rest, TCP.
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Hi All,
I need to connect to an old VMS server, that's not supported, via FTP, and change directory multiple times within the same session, to count the files in each directory.
I believe I can do this within Wininet.dll api in C/C++.
https://msdn.microsoft.com/en-us/library/ms909399.aspx?f=255&MSPPError=-2147217396
But when I look at the .NET Framework, I don't see a change directory function within FTP.
.NET FrameWork
https:
Any idea what is the best way to change directory (multiple times) within the same FTP session, and count a total number of files within each directory?
NOTE: I would also like to count the files in read-only if that's possible, just in case one of the files may be getting processed.
Thanks.
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As Griff said, the FtpWebRequest is extremely limited. You'd probably do better to use a proper FTP library instead. For example, FluentFTP[^].
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Please don't post the same thing in multiple places - you already had it in QA: How can get windows.security.credentials.dll lib C#[^] so posting it in other places as well just duplicates work and that tends to annoy people.
Sent from my Amstrad PC 1640
Never throw anything away, Griff
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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My colleague advised me to use obfuscator in my startup. But I do not know anyone who uses code obfuscation. Do you use obfuscators in your projects?
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It's one level of protection for source code.
It makes it harder for the "average" person to understand the de-compiled code because the variable names are meaningless. I don't know how that impacts reflection if you use that.
"(I) am amazed to see myself here rather than there ... now rather than then".
― Blaise Pascal
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Obfuscator-selling companies recommend obfuscating.
How many times have you been asked to reverse-engineer a project? Happened a few times to me, and even without obfuscation, it is usually not worth the effort.
Bastard Programmer from Hell 
If you can't read my code, try converting it here[^]
"If you just follow the bacon Eddy, wherever it leads you, then you won't have to think about politics." -- Some Bell.
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Never did it. I did not have to decompile the project.
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Eddy Vluggen wrote: How many times have you been asked to reverse-engineer a project?
Only when the documentation sucks, and even then only usully one or two libraries within an project to find out how it all fits together.
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I think the choice to obfuscate, or not, would be made based on a careful analysis of the target market (programmer, business, consumer segment), pricing, uniqueness of product, the attractiveness of the product-as-target for hackers, market competition, and many other factors.
It's a common strategy for developer tools to sell an obfuscated package at a lower price, with full source-code available for a higher price.
cheers, Bill
«Where is the Life we have lost in living? Where is the wisdom we have lost in knowledge? Where is the knowledge we have lost in information?» T. S. Elliot
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Thanks for your reply. It is important for me to know different opinions
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I have used obfuscators only a few times. I didn't need to use obfuscators. Obfuscators are used to protect the code from hacking. To prevent cheating in the game. For installation rights and software licensing.
You should know that obfuscators are different. Some confuse mainly class and variable names. Most obfuscators tangle the whole code. Here are some features that the popular obfuscator Dotfuscator provides:
"Renaming of identifiers to make reverse-engineering of the compiled assemblies more difficult.
Anti-tamper to detect the execution of tampered applications and terminate or respond to tampered sessions.
Anti-debug to detect the attachment of a debugger to a running application and terminate or respond to debugged sessions.
Anti-rooted device to detect if the application is running on a rooted Android device and terminate or respond to sessions on these devices.
Application expiration behaviors that encode an "end-of-life" date and terminate expired application sessions."
Also, there are obfuscators that use virtualization for obfuscating code. ArmDot, for example. It convert your code into an array of bytes. And then this array is interpreted by the virtual machine.
There are many obfuscators. The choice of obfuscator depends on your requirements and expectations.
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