John The Cooling Fan Posts - Answer Overflow

John The Cooling Fan

•Created by John The Cooling Fan on 2/29/2024 in #workers-help

No TLS on workers.dev unless VPN is used

I was unable to make requests via curl with SSL_ERROR_SYSCALL for a long time, and I also can only get logs in the dashboard if I turn on my vpn. Deploying via wrangler works, but log streaming and dev environment don't. sslscan workers.dev (same with <worker>.<account>.workers.dev)

Version: 2.1.2-static
OpenSSL 3.0.12 24 Oct 2023

Connected to 104.18.13.15

Testing SSL server workers.dev on port 443 using SNI name workers.dev

  SSL/TLS Protocols:
SSLv2     disabled
SSLv3     disabled
TLSv1.0   disabled
TLSv1.1   disabled
TLSv1.2   disabled
TLSv1.3   disabled

  TLS Fallback SCSV:
Connection failed - unable to determine TLS Fallback SCSV support

  TLS renegotiation:
Session renegotiation not supported

  TLS Compression:
Compression disabled

  Heartbleed:

  Supported Server Cipher(s):
    Unable to parse certificate
    Unable to parse certificate
    Unable to parse certificate
    Unable to parse certificate
Certificate information cannot be retrieved.

Version: 2.1.2-static
OpenSSL 3.0.12 24 Oct 2023

Connected to 104.18.13.15

Testing SSL server workers.dev on port 443 using SNI name workers.dev

  SSL/TLS Protocols:
SSLv2     disabled
SSLv3     disabled
TLSv1.0   disabled
TLSv1.1   disabled
TLSv1.2   disabled
TLSv1.3   disabled

  TLS Fallback SCSV:
Connection failed - unable to determine TLS Fallback SCSV support

  TLS renegotiation:
Session renegotiation not supported

  TLS Compression:
Compression disabled

  Heartbleed:

  Supported Server Cipher(s):
    Unable to parse certificate
    Unable to parse certificate
    Unable to parse certificate
    Unable to parse certificate
Certificate information cannot be retrieved.

I am located in Russia and I use my company's account.

21 replies

CDCloudflare Developers

•Created by John The Cooling Fan on 12/5/2023 in #workers-help

"A hanging Promise was cancelled" in a rust-wasm worker

I am getting this message from one route handler in my worker. With console_debug I managed to pinpoint it to call to hound::WavWriter::new. I don't think there was a panic, but the function doesn't even return before the hanging promise is cancelled. What part of the used tools/libraries might be the actual culprit and how do I fix this?

8 replies

CDCloudflare Developers

•Created by John The Cooling Fan on 10/4/2023 in #workers-help

Worker using reqwest fails to compile because of mio

When I try to build and run my worker with npx wrangler dev, i get a lot of compilation errors about non-existing types and methods used in mio crate. From cargo tree --target=wasm32-unknown-unknown, I see that this is only used by tokio. Code attached.

2 replies

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