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Open source tools and work proxies

booyaa profile image Mark Sta Ana Originally published at booyaa.wtf on ・2 min read

I often use a lot of open source tooling at work, initially I started with with node and npm (for our front end), and more recently python, Go and of course Rust.

Unfortunately a lot of tools, expect you to have direct access to the Internet, if you're behind a work proxy most will fail to connect to their registries or pull down code from source control repositories.

To make matters worse, work proxies often require Windows authentication. So rather than stick your credentials in a plain text file, you might prefer to use something like Fiddler. Fiddler is an excellent diagnostics tool for troubleshooting web apps, a bonus feature is that it also provides a local proxy (usually listen on port 8888), using your existing browser proxy settings.

After that, it's just a case of configuring your tools to use this local proxy. Just be mindful that if you can't access websites like GitHub or npm in your browser, you won't magically get access this way, those restrictions will remain in place.

Here's a list of ways to get your open source tool to work with this local proxy:

Environment variables (env vars)

Have these setup as a minimum, most tools will look of these env vars and should start working.

HTTP_PROXY=http://127.0.0.1:8888
HTTPS_PROXY=http://127.0.0.1:8888

This works with rustup,

npm

npm config set proxy http://127.0.0.1:8888
npm config set https-proxy http://127.0.0.1:8888

cargo

edit %USERPROFILE%\.cargo and add the following:

[http]
proxy = "http://127.0.0.1:8888"

git

git config --global http.proxy http://127.0.0.1:8888

This should fix problems with golang and possibly cargo (when pull dependencies).

python (Anaconda)

edit %USERPROFILE%\.condarc and add the following:

channels:
- defaults

# Show channel URLs when displaying what is going to be downloaded and
# in 'conda list'. The default is False.
show_channel_urls: True
allow_other_channels: True

proxy_servers:
    http: http://127.0.0.1:8888
    https: http://127.0.0.1:8888

vscode

edit your user settings file and add

  "http.proxy": "http://127.0.0.1:8888",
  "http.proxyStrictSSL": false,

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booyaa profile

Mark Sta Ana

@booyaa

He/Him/Dat Boi. SRE for an Agribiz SaaS Startup. Terrorizing Azure with Terraform. Rusticating Windows.

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