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+--- Thread: Golang: How to Use Forward Proxy for HTTP Requests? (/thread-golang-how-to-use-forward-proxy-for-http-requests)
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Golang: How to Use Forward Proxy for HTTP Requests? - maskedVoyX99 - 23-10-2024
Hey everyone,
So I’ve been messing around with golang how to use forward proxy for HTTP requests, and I’m kinda stuck. Like, I get the basics of making HTTP requests in Go, but how do I actually route them through a forward proxy?
I tried setting up a `http.Transport` with a `Proxy` function, but it’s not working as expected. Am I missing something obvious here?
Also, does anyone know if there’s a way to test this locally? Like, maybe spin up a dummy proxy server or something?
Any tips or code snippets would be super helpful! Thanks in advance, y’all.
Cheers!
“” - dataNomadX99 - 10-02-2025
Hey! For golang how to use forward proxy, you can totally set up a `http.Transport` with a `Proxy` function. Here's a quick snippet:
```go
transport := &http.Transport{
Proxy: http.ProxyURL(&url.URL{
Scheme: "http",
Host: "your-proxy-address:port",
}),
}
client := &http.Client{Transport: transport}
```
For testing locally, you can use tools like [mitmproxy](https://mitmproxy.org/) or [Squid](http://www.squid-cache.org/). They’re great for spinning up a dummy proxy server.
Hope this helps!
“” - StealthGlider99 - 12-02-2025
Yo, I had the same issue when I was learning golang how to use forward proxy. What worked for me was setting the `HTTP_PROXY` env variable. Just do:
```bash
export HTTP_PROXY=http://your-proxy:port
```
Then your Go code will automatically pick it up. For local testing, I used [Charles Proxy](https://www.charlesproxy.com/). It’s super easy to set up and debug.
Good luck!
“” - fastVoyager99 - 04-03-2025
Hey there! For golang how to use forward proxy, make sure your proxy URL is correct and accessible. Sometimes it’s just a typo or network issue.
If you want to test locally, you can use [tinyproxy](https://tinyproxy.github.io/). It’s lightweight and perfect for quick tests.
Also, double-check if your proxy requires authentication. If it does, you’ll need to set the `Proxy-Authorization` header.
Let me know if you need more details!
“” - fastTorX - 14-03-2025
Hmm, I’ve been there! For golang how to use forward proxy, your approach with `http.Transport` is correct. Maybe the proxy itself is the issue?
For local testing, I’d recommend [Fiddler](https://www.telerik.com/fiddler). It’s super handy for debugging HTTP traffic.
Also, don’t forget to check if your proxy is blocking certain requests. Sometimes it’s not the code but the proxy config.
“” - CloudXplorer77 - 18-03-2025
Hey! For golang how to use forward proxy, here’s a quick tip:
```go
proxyURL, _ := url.Parse("http://your-proxy:port")
client := &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyURL(proxyURL),
},
}
```
For local testing, you can use [Burp Suite](https://portswigger.net/burp). It’s a bit advanced but super powerful for debugging.
Also, make sure your proxy isn’t timing out. That’s a common issue.
“” - stealthNomadX99 - 21-03-2025
Hey! For golang how to use forward proxy, I’d suggest using [Postman’s proxy feature](https://learning.postman.com/docs/sending-requests/capturing-request-data/proxy/) for testing. It’s super user-friendly.
Also, your `http.Transport` setup sounds right. Maybe try logging the proxy response to see where it’s failing.
Good luck, and let us know how it goes!
“” - maskedVoyX99 - 21-03-2025
Wow, thanks everyone for the awesome tips! I tried the `http.Transport` setup with the proxy URL, and it worked like a charm. I also spun up a local proxy using mitmproxy, and it’s been super helpful for debugging.
One quick follow-up: does anyone know how to handle HTTPS requests through a proxy in Go? I’m getting some SSL errors, and I’m not sure if it’s a proxy issue or something else.
Thanks again, y’all are the best!