Questions tagged [charles-proxy]

Questions related to Charles, an HTTP proxy / HTTP monitor / Reverse Proxy.

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8 views

“Charles cannot configure your proxy settings while it is on a read-only volume”

When starting Charles after getting a new MacBook Pro with Catalina, I get the message noted above.
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Charles Proxy - Map Remote - Query parameter appended automatically

In Charles Map Remote Config Query parameter is getting attached automatically. Map Remote Config - I am able to call localhost but Query parameter is getting appended automatically. Refer to below ...
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Charles Proxy - Unable to Map Remote

Basically I want to replace production client.js with https://localhost:3000/static/js/client.js Localhost is running on webpack dev server. Enabled SSL Proxy with *. And chrome is showing pending ...
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Charles Proxy Issue on Andy emulator( Failure:SSLHandshake: Unsupported curveId: 29 )

I am trying to do a debug session on an App (Android) by monitoring the outbound/inbound HTTP traffic on Andy emulator.For SSL traffic I get following error : Failure: SSLHandshake: Unsupported ...
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Web Page Failed to Load didfailload The certificate for this server is invalid Charles ios

ref: https://support.apple.com/en-nz/HT204477 Trust manually installed certificate profiles in iOS In iOS 10.3 and later, when you manually install a profile that contains a certificate payload, that ...
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Sniff Packets using Charles Proxy and Visual Code

I need to sniff packets that my node.js app is sending. I'm running Visual Code 1.36.1. I in a corporate environment with all sorts of SSL proxies. I have Charles setup correctly, it sees Postman ...
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16 views

Charles Proxy vs Chrome Inspect Element

I am new to Charles Proxy. As far as I have read, it gives me ability to see all the calls happening from within my application. Is there any difference between what we can do using Charles Proxy and ...
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1answer
21 views

Log http traffic network for third party analytic library for android apps

So currently i am using chuck http interceptor for seeing all my network call that are generated from my application, i also have some third party analytics sdk's which send some analytic event , so ...
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Make an AJAX request successful with Charles

I am trying to submit an AJAX request with JQuery. For reasons I do not have a valid API key, however, I want to test what happens if the message is successful in my response. I tried using Charles to ...
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25 views

How to connect Genymotion to js-bundle for react-native (with charles enabled)

I'm using Charles Proxy to track requests. In normal condition and native apps it works perfectly, but when trying to run a react-native app, emulator (Genymotion) cannot connect to local metro-bundle....
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Trying to replicate Mobile App POST Request in Ruby, Getting 502 Gateway Error

I'm trying to automate actions I can take manually in an iPhone app using Ruby, but when I do, I get a 502 bad gateway error. Using Charles Proxy I got the request the iPhone app is making: POST /1....
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42 views

How to install custom client certificate and Trust it while using fiddler/Charles

I am trying to debug one third party mobile application, specifically network calls, When I am using fiddler and charles proxy on the first network call itself. the app shows error that client ...
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How to resolve the Unkown Path on Charles over VPN

Charles can catch the data from the web, eg domain.com, but I can't see the path. How can I config for displaying the path? Update: Thanks to @shaochuancs, but after I enable the SSL config, the ...
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17 views

Charles still only showing requests from one host even though Focused Hosts in unchecked?

In the Charles proxy, I at some point install the root certificate for the iOS simulator and set http://localhost:8080 in Focused Hosts to reduce clutter and only see web traffic from my local host. ...
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1answer
24 views

Having issues uploading images using form data and fetch

I have a React Native application that is using fetch to upload some text data and images. We recently noticed not all the images are saving on the server. Firing up Charles I found some of the images ...
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1answer
29 views

Hide Request/Response header for get request from fiddler or other debug proxy apps

I have mobile app which heavily depends on apis response, I was using charles proxy and fiddler to see the api calls made by my app and I have noticed for one of get api call I am able to see full url ...
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33 views

GZIP Compression using Charles-Proxy

Need a help I need to change an http request sniffed using Charles Proxy but when I tried to change post data response gives me "Error - invalid gzip parameters" but when I checked http headers there ...
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43 views

How to use Charles proxy web interface?

In Charles proxy unable to start/stop recording using web interface. I have enabled the web interface and transparent ssl proxy option. I am able to navigate one level from the home page http://...
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28 views

Why does wifi on phone show “connected no internet” after adding charles proxy to wifi?

I followed all of the steps in their documentation, seems to just not work as a program at all. Anyone else ever seen this? Working on a Nexus 5X, and charles is just failing to do anything. All of ...
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24 views

Intercepting packets

In a topology like: phone --> proxy (man in the middle) --> server Where the proxy is supposed to capture the packets that are sent from my phone, which I would like to visualize on Wireshark, what ...
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How could I cache all the server requests for the frontend developer use

The request between dev server and front-end is pretty slow. I'd like to know is there any tool could record requests between the server and the frontend and if there's an occurred request then just ...
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1answer
43 views

How to detect the presence of a HTTP proxy in Node.js?

I'd like to be able to detect when such programs / proxy are open on the computer (e.g. Fiddler or Charles) on Node.js. Do the programs change your local IP address, and I just need to detect it? Not ...
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32 views

Charles is not registering the localhost charles traffic

I am using charles to get the traffic of some devices and it is working corectly. But for some reason it is not registering the traffic from the browser, specifically from localhost, for example: ...
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72 views

How to mock HTTP Error response with Charles?

Is it possible to intercept the request going through Charles and immediately return 500 error code without sending this request to the server? Can't find any information on this. All resources ...
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22 views

Charles map local to HTTP query parameters instead of paths

Does anyone know if it's possible to use separate map locals to query parameters of the same host and path. E.g. I have the following paths: http://host/list/21?page_size=24 http://host/list/21?...
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61 views

Debug Sockets with Android device using charles

I am using Charles to debug api data everything works fine, but if I need to debug sockets via Charles is there any procedure to do that because I can't see any websocket data in cells while debugging
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24 views

Issue with Charles Proxy Local Mapping for multiple domains to single path

I have a question related to Charles Local Mapping, which I'm trying to solve, but no luck yet. Hoping I can get some answers here. The local mapping setting works fine as a start. I'm able to manage ...
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1answer
148 views

Why does WinHttpOpen with WINHTTP_ACCESS_TYPE_AUTOMATIC_PROXY bypasses Charles Proxy?

I'm trying to use WinHTTP with Charles proxy. When I use the WINHTTP_ACCESS_TYPE_NAMED_PROXY option and URL to Charles, it logs the the traffic going through it. When I'm using the ...
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169 views

Some processes/sites with SSL failing to connect when using Charles Proxy

I have set up Charles on macOS 10.14.4 to allow proxying of all HTTP(S) traffic: Installed the Charles root certificate in System keychain and enabled trust for all options Configured macOS to use ...
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45 views

Why would the redirected url with the same domain encounter the CORS problem?

The situation is a bit complicated. I used the http-server to host my local code at localhost:8080. Then I used Charles to map a on-line URL(example.online.com/index.html)to my local url (localhost:...
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1answer
51 views

Safari not prompt to install the SSL certificate with Charles?

when Safari browse to https://chls.pro/ssl,it just show "---- BEGIN CERTIFICATE---- some encryption text ---- END CERTIFICATE----".
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2answers
330 views

Unable to connect Samsung S10 to charles proxy

With device manual proxy to my Charles IP address, not seeing any traffic or prompt to allow traffic in Charles Proxy. S10 device appears to load all traffic when navigating to various URLs. Even ...
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1answer
382 views

“Charles Proxy CA (2 Mar 2019, 2H1-XX-XXXXX.local)” certificate is not trusted

I'm trying to install Charles Root Certificate on my MacBook Pro version 10.14.1 so that I can see https packets in my Chrome browser. So I did what the official document says: Help Menu -> SSL ...
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1answer
133 views

Charles proxy in non debuggable flavour of Android app

First of all let me clarify that I know that this is a very bad practice and I will not push this change into my production code. But sometimes we need to debug some changes in non debuggable flavour ...
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1answer
342 views

Stuck in Charles Proxy Certificate Installation for Android TV

We started working on Android TV recently and we need to connect charles proxy tool for ease of development process. We were able to set proxy on tv using same wifi connection. But we are not getting ...
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1answer
130 views

Stuck in Charles Proxy Certificate Installation for Kindle Fire TV stick

We started working on Fire TV stick recently and we need to connect charles proxy tool for ease of development process. We were able to set up proxy using the command: adb shell am start -n com....
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1answer
152 views

Charles Proxy Suddenly Stopped Detecting Localhost

I've been using Charles for years without a problem, but after taking a few days off Charles has stopped responding to local host requests. All other request work, but anything to do with localhost is ...
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33 views

Android Emulator Repeatedly Drops Charles Proxy

Wondering if anyone else has seen this behavior. My Android emulator does not like being proxied by Charles. It 'drops' the charles proxy multiple times per day. This is not a Charles setup issue. I ...
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104 views

Charles Proxy: unable to read gzip

I was trying to look into the API calls made by this iOS app installed on my phone. It turns out it's over HTTP and the requests and responses seem to be all compressed. I thought that Apple requires ...
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1answer
106 views

How to run Charles Proxy over Tor?

Following situation: intercepting web traffic with Charles Proxy works fine if i set the browsers http/https proxy to the port Charles is configured for (127.0.0.1:8888) surfing over anonymously over ...
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878 views

Charles + Android + Chrome + SSL - Handshake Failed (certificate_unknown)

Trying to sniff traffic between from my Android Emulator and my website via Chrome on Android Pie (9.0). Host is running macOS High Sierra with Android Studio 3.3.1 and Charles 4.2.7. Installed both ...
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1answer
574 views

Android 9 (Pie) - Not able to capture any api (native / web) through network monitoring tools such Charles proxy and Fiddler

I am trying to capture apis triggered from native app and website through Charles proxy / Fiddler , But I am not able to see any api there. I have set manual proxy as well. I am able to see apis for ...
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1answer
569 views

No longer able to install Charles SSL Certificate on tvOS 12 Simulator

Since the release of tvOS 12, I can't seem to figure out how to add a certificate to my tvOS Simulator. Here's the usual steps I take for tvOS 11: Navigate to Settings > General > Privacy and select ...
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1answer
31 views

How do i switch to a local version of a node_modules file that I've saved to desktop?

I'm trying to make some changes to the react-rte text editor but can't test it... I've noticed literally nothing is coming through to the client after putting in console.logs, alerts, new code etc. ...
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1answer
712 views

Charles Proxy SSL Certificate not working on Mac

Possible duplicate of Charles Proxy SSL Certificate not working but I provide more details since those answers didn't help me. I am on my MacBook (High Sierra 10.13.6) and I want to see what my web ...
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128 views

breakpoint is not working in charles proxy

I want to change API response in charles proxy but break point is not working. I am unable to change response. I am facing issue for android app. This issue is facing for only 1 API another are API's ...
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490 views

Network security config Expecting system, user or an @resource value

I am currently trying to set up the Charles Proxy service for AndroidTV/FireTV but am facing an issue with specifying the certificate authority in the res/xml/network_security_config.xml <network-...
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51 views

Mac with Charles cannot access web page

Here is my working environment: Mac: 10.14.1 Charles: 4.2.5 I have turned off my VPN and open Charles, then I get 404 page for all HTTP requests, and ERR_TUNNEL_CONNECTION_FAILED for all HTTPS ...
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1answer
40 views

Can I mirror request data with Charles Proxy?

The mirror feature in Charles Proxy saves the responses -- I want to see the requests that are made for the corresponding saved response outside of the Charles UI so that I can programmatically match ...
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102 views

Could charles proxy throttling be working wrong or is lower than expected speed indicative of a problem?

I wanted to finetune the ajax upload process of the website I'm working on. To do that, I first simulated a 100Mbps connection using charlesproxy throttling. To my surprise, the upload speed was more ...