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Flutter HTTPS requests failing with HandshakeException: WRONG_VERSION_NUMBER even though backend works in Postman
I’m running into a strange TLS/HTTPS issue in my Flutter project and can’t figure out why it only happens inside Flutter/Dart.
I have a backend API hosted at:
https://my-backend/api/v1
If I call the ...
2
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0
answers
108
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flutter version 3.38.2 slow api calls
A dio.get() call that takes only 150 ms with curl blocks for 6–8 seconds on the client side.
The pause happens before Dio prints the first REQUEST log line, so the delay is not caused by DNS, TLS, or ...
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72
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Android: Video streaming in WebView not working on certain devices (Yacine TV APK)
I am developing an Android app similar to Yacine TV that streams video content using a WebView. However, on some devices running Android 12 and 13, the video player shows a black screen while the ...
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What happens when uploading a large file from client browser to my Spring boot server if I delay reading the multipart file from input stream?
Context: I am trying to build a Spring Boot application and have exposed a REST api endpoint to upload files(as large as 1 GB).
Question: Since the data transfer for a multipart file happens in chunks ...
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172
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Firefox unable to connect to secure websocket (runs into NS_ERROR_NET_RESET / SSL_ERROR_RX_RECORD_TOO_LONG)
On a development server hosting a web application that can be accessed via http and https (through self-signed unsecure certifcate that needs the browser to force accept the certificate), Firefox won'...
0
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1
answer
183
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How do I list the downloadable files using R for this NOAA website data source?
I want to download the tar.gz files from this NOAA (NCEI) data source:
https://www.ncei.noaa.gov/oa/local-climatological-data/index.html#v2/archive/
Normally, I can do something like this to get the ...
1
vote
1
answer
106
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How to resolve SSLPeerUnverifiedException: Hostname not verified in HttpsURLConnection in NET.MAUI Android app?
My NET.MAUI Android app is throwing SSLPeerUnverifiedException: Hostname 192.168.100.2 not verified when sending POST request to a PHP script located on my desktop's IIS localhost, as shown below.
...
1
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0
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298
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Caddy reverse proxy configuration without ACME, with strict SNI
I want to use Caddy as a reverse proxy for my system. The system contains a backend running on localhost:8080 to which all traffic is redirected. The proxy listens for HTTP traffic on :80 and for ...
-3
votes
1
answer
654
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SSL certificate failure in iOS only [closed]
I have a simple app sending data to a web service (Ubuntu / Node js / javascript) Everything worked when using http (although an https setup issue may still be the problem). The problem appears to ...
1
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2
answers
82
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Flutter ElevatedButton doesn't respond
I have an application with a form and now with a little experimental refactoring from last week 2 buttons doesn't do anything.
Logging just say "button was click " but no method is called.
...
0
votes
1
answer
165
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How to enable HTTPS wrapper on Synology DSM 7?
I've set up Web Station on a Synology DS918+ NAS (running the latest version of DSM 7.x).
We want to use it as a local intranet server accessible only from local IPs, so we don't need external access, ...
-4
votes
1
answer
54
views
Is the URL authority used as a component of the encryption in HTTPS?
My understanding of HTTPS is that the initial server communication has the authority sent in plaintext while the remainder of the communication is encrypted, eg https://example.com/foo?bar=baz will ...
1
vote
0
answers
137
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C# (.NET 4.8) HTTP/s Proxy Checking Accuracy
Over the past few days, I’ve been developing a project in C# (.NET 4.8) that scrapes and validates hundreds of HTTP/S proxies.
I’ve experimented with multiple approaches to confirm whether a proxy is ...
0
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1
answer
62
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How to specify apache login credentials in ruby HTTP:post_response call
I have a redmine (5.1.9) server running on apache (2.4). When processing email replies, it fails trying to post an HTTP request to itself. I believe this happens because the apache server itself ...
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88
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React Native Metro over HTTPS (Android device, RN 0.74) still tries HTTP
I’m working on a React Native 0.74 app with a third-party SDK that requires Metro to run over HTTPS instead of HTTP. I prefer to use USB method over WI-FI.
Setup
React Native 0.74.1
Android physical ...