Fiddler: Difference between revisions
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Ostensibly this page is about Fiddler but actually it's about debugging web connections. | Ostensibly this page is about Fiddler but actually it's about debugging web connections. | ||
This is a great page: [https://rigorousthemes.com/blog/best-fiddler-alternatives/ Best Fiddler Alternatives]] | |||
== What is Fiddler == | == What is Fiddler == | ||
It's a desktop app. Fiddler acts as a proxy, it runs on your Windows desktop and captures traffic going between your browser and a remote website so that you can see what is going on. | It's a desktop app. Fiddler acts as a proxy, it runs on your Windows (or Mac or Linux) desktop and captures traffic going between your browser and a remote website so that you can see what is going on. | ||
I remember trying it out a couple times at different jobs but nothing struck me as truly great about it. | I remember trying it out a couple times at different jobs but nothing struck me as truly great about it. | ||
You can do pretty much the same thing with Wireshark, I think. Fiddler is just tuned for web whereas Wireshark is generic network data capture. | You can do pretty much the same thing with Wireshark, I think. Fiddler is just tuned for web whereas Wireshark is generic network data capture. | ||
I got as far as putting | I got as far as putting '''mitmproxy''' on a Linux box and pointing my browser at it, but I can't remember why I did that. I just remember that it worked. See docker/mitmproxy on cc-testmaps. | ||
== HTTP headers == | == HTTP headers == | ||
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* Pick a line in the left pane | * Pick a line in the left pane | ||
* Switch from Preview to Headers in the right pane, there you go. | * Switch from Preview to Headers in the right pane, there you go. | ||
[[Category: Web]] | |||
[[Category: Network]] | |||
Revision as of 16:20, 24 March 2022
Ostensibly this page is about Fiddler but actually it's about debugging web connections.
This is a great page: Best Fiddler Alternatives]
What is Fiddler
It's a desktop app. Fiddler acts as a proxy, it runs on your Windows (or Mac or Linux) desktop and captures traffic going between your browser and a remote website so that you can see what is going on. I remember trying it out a couple times at different jobs but nothing struck me as truly great about it.
You can do pretty much the same thing with Wireshark, I think. Fiddler is just tuned for web whereas Wireshark is generic network data capture.
I got as far as putting mitmproxy on a Linux box and pointing my browser at it, but I can't remember why I did that. I just remember that it worked. See docker/mitmproxy on cc-testmaps.
HTTP headers
I need to see them, but they are visible in Chrome.
- F12
- Network tab
- Reload the page, watch all the network activity
- Pick a line in the left pane
- Switch from Preview to Headers in the right pane, there you go.
