Curl set proxy. Jul 14, 2021 · Using a proxy with cURL is easy.

Curl set proxy By default, curl speaks HTTP/1. Set a specific different User-Agent: only to the proxy: A tutorial on using cURL command with proxies. What I did is set http_proxy, https_proxy and ftp_proxy in the ~/. I tried various available settings with CURL like BASIC / DIGEST / NTLM. Default. In most other ways, HTTPS proxies work like HTTP proxies. This guide demonstrates how to permanently and temporarily configure dnf to use a proxy server. We’ll walk you through the process of running curl through proxy servers in this guide. 21. This command-line tool acts as an alternative client to replicate Mar 31, 2025 · This article explains in detail how to configure the proxy server with the Curl tool in the Linux system, combined with IP2world's proxy service, to help users efficiently manage network requests and data crawling tasks. The better we understand what works and what doesn’t, the closer we get to identifying the root cause of an issue. First, you’ll learn what cURL is and why augmenting it with proxies can supercharge your productivity and secure your online privacy. Easy to follow, beginner friendly! Jan 21, 2025 · Learn all you need to know about using curl with proxies. Type the SET commands from the command prompt before typing your curl command, as in SET http_proxy=<your proxy> and SET https_proxy=<your proxy> (or better yet use a batch file to set them and then run curl). CURL option "proxy" and "proxy-user" cURL command has option -x, --proxy [protocol: Apr 18, 2025 · To use a proxy in PHP, the most common and practical method is to configure PHP’s cURL library to route HTTP requests through a proxy server. g. Environment variables, configuration files, or command-line parameters customize proxy settings for consistent and convenient application. Apr 26, 2025 · Curl is a utility used for data transfer in command lines or scripts. The parameter should be a char * to a null-terminated string holding the hostname or dotted numerical IP address. Aug 1, 2024 · Learn how to use cURL with different types of proxies, including HTTP, HTTPS, and SOCKS5. Learn how to proxies with cURL. Name CURLOPT_PROXYUSERPWD - username and password to use for proxy authentication Synopsis #include <curl/curl. To specify port Learn how to use cURL with proxies in this detailed guide. You'll also learn how to use rotating proxies and proxy authentication to bypass even the most sophisticated anti-scraping measures. Nov 23, 2021 · Find the best proxies for cUrl at Rayobyte! Learn how to install, set up, & use cUrl with proxy & how to use cUrl for light scraping. Follow this tutorial to learn the basics and best practices. 3 cURL allows specifying an IP address, t Master cURL and proxies in minutes: install, authenticate, rotate IPs, set env vars, and fix common errors—step‑by‑step. It supports a wide range of protocols, including HTTP, HTTPS, FTP, and many others. 87. Learn how to configure no_proxy on Linux machines using wildcards and leading dots for bypassing proxy settings effectively. CURLPROXY_HTTPS HTTPS Proxy using HTTP/1. 0/8. Jul 15, 2025 · This tutorial will show the way to use a proxy with PHP’s cURL functions. Since version 7. It is separate from the server authentication to allow This guide explores how to use cURL with a proxy. Authentication for proxies is similar to "normal" HTTP authentication. Nov 27, 2020 · Using a proxy with dnf is relatively simple. Nov 6, 2010 · Proxy-Authorization: Basic [gibberish] User-Agent: curl/ [ver] ( [OS]) libcurl/ [ver] OpenSSL/ [ver] zlib/ [ver] Proxy-Connection: Keep-Alive HTTP/1. cURL set proxy Setting proxy URL for cURL: Apr 10, 2025 · Not sure how to use cURL with a proxy, or why even bother? In this extensive guide, we provide all the insight you’ll need to get cURL up and running with all the protections and advantages proxies bring. Doing FTP over an HTTP proxy without --proxytunnel makes curl do HTTP with an FTP URL over the proxy. Jun 17, 2022 · 4 I know it is pretty straightforward to use/export http_proxy and https_proxy in any Linux variant but, when it becomes tricky if we want to use with authentication like below, I have test this it is works fine with curl directly without http_proxy or https_proxy on, Jan 9, 2024 · Unset HTTP_PROXY and HTTPS_PROXY environment variables. Managing proxy usage in cURL ensures controlled and secure data transfers. (Added in 7. Lowercase being the key and vital difference. There is a big difference between using a proxy and to tunnel through it. Use --noproxy or related curl options to disable the proxy per request. io Mar 25, 2022 · Learn how to configure curl to use a proxy server of your choice in various ways, such as using an alias, an environment variable, or a . This tutorial is useful for web developers who need to test REST APIs in corporate networks. curl does not acknowledge the uppercase version of that variable for security purposes: that variable can be set by an incoming request in a CGI environment. My proxy is 10. We would like to show you a description here but the site won’t allow us. 1:1053 May 21, 2024 · Are you ready to leverage the benefits of cURL with proxies? This article will show you how to set up and use cURL proxies. Jan 10, 2013 · If you just need to bypass the proxy server and use the direct connection, but Powershell is using the default system-wide proxy server, simply set the HttpClient 's default proxy to null: Example: curl --proxy-basic --proxy-user user:passwd -x proxy https://example. Learn how to use cURL with a proxy, how to install cURL, common cURL proxy commands, the benefits of using cURL with proxies, and troubleshooting tips. The tool’s advantage is that it supports multiple protocols and offers features like authentication, proxy, transfer resume, and more. Tagged with curlproxy. Here’s how to install cURL on Windows, macOS, and Linux. Sep 21, 2022 · 1 Conclusion: To correct, there's no problem in Windows version cURL. Proxy environment variables curl checks for the existence of specially named environment variables before it runs to see if a proxy is requested to get used. I don't know how it's configured, but many tools f Discover how to use cURL with a proxy to improve your web scraping and online privacy. Using Environment Variable In a very simple word, you can simply set the following environment variables on your system. In this article, we’ll learn how to use cURL with a proxy, to facilitate tasks that require enhanced privacy and security, bypass geo-restrictions, or route requests. The Invoke-WebRequest cmdlet in PowerShell is a handy tool for making HTTP requests to websites. se/windows. 3 cURL allows specifying an IP address, t Feb 5, 2025 · In this guide, I’ll walk you through the process step by step. This step-by-step tutorial will show you the three different ways to set up a proxy server with cURL command line tool. 0 for OpenSSL and GnuTLS. For such transfers, common FTP specific options do not work, including --ssl-reqd and --ftp-ssl-control. Learn different ways of setting up curl with a proxy and some examples of common commands. kubectl proxy [--port=PORT] [--www=static-dir] [--www-prefix Jan 24, 2025 · Over the years, I have realized that isolation is the key to problem-solving. Set Up cURL to Permanently Use a Proxy on Linux We'll look at several ways to permanently use curl to set up proxies. curl supports both SOCKS version 4 as well as version 5, and both versions come in two flavors. That first CONNECT is only issued to the proxy and you may want to make sure only that receives your special header, and send another set of custom headers to the remote server. General proxy should be set with ALL_PROXY A comma-separated list of host names that shouldn't go through any proxy is set in (only an asterisk, '*' matches all hosts) NO_PROXY Example: curl --proxy-basic --proxy-user user:passwd -x proxy https://example. VLAN priority as defined in IEEE 802. When you use a proxy with cURL, your requests are routed through the proxy server before reaching the target server. Both the name and the password are URL decoded before used, so to include Learn how to use cURL with proxy with this step-by-step guide and start data mining like a pro. bashrc and in the ~/. CURLPROXY_HTTP HTTP Proxy. This setup is beneficial for situations where direct internet access is restricted or when you want to enhance your privacy while making web requests. I have found code on this and other sites, but th Mar 6, 2025 · In this guide, we’ll explore how to use cURL with a proxy, covering different methods and practical examples. Jul 14, 2021 · Using a proxy with cURL is easy. In this guide, we'll show you step-by-step how to use cURL with a proxy, keeping things simple and easy to follow. A pre proxy is a SOCKS proxy that curl connects to before it connects to the HTTP (S) proxy specified in the CURLOPT_PROXY option. Step-by-step guide that covers in detail how to use cURL with proxy servers. To add salt to the injury, not every tool supports NTLM authentication well which is quite common in many proxies. Learn how to use HTTP or SOCKS proxies with cURL, including authentication, IPv6 support, and rotating proxies for scraping and automation. You can specify the proxy by setting a variable named [scheme]_proxy to hold the proxy hostname (the same way you would specify the host with -x). h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_PROXYTYPE, long type); Description Pass one of the values below to set the type of the proxy. Aug 14, 2025 · Learn how to use cURL with proxy servers. Installing cURL on Different Platforms Before you can use cURL with a proxy you need to make sure cURL is installed on your system. For more tips and Mar 14, 2024 · Proxies are essential to avoid IP address blocking and accessing restricted web pages over a specific location. HTTP/2 When curl speaks with an HTTPS proxy, you have the option to use --proxy-http2 to a ask curl to try using HTTP/2 with the proxy. Set the tunnel parameter to 1L to make libcurl tunnel all operations through the HTTP proxy (set with CURLOPT_PROXY). If you’re using Bright Data’s proxy services, you can use this cmdlet with a proxy by specifying the -Proxy parameter followed by your proxy details. In this tutorial, we will learn how to use the curl command for different types and configuration proxy systems. Apr 30, 2024 · In this article, we'll dive into how to use cURL with proxies effectively. Oct 18, 2024 · This guide shows how to use curl proxy to access geo-restricted websites. You can export those Jul 24, 2024 · cURL, known for its simplicity and versatility, is a preferred tool for API testing, web automation, and web scraping. curlrc file is a configuration file for cURL, a command-line tool used to transfer data with various network protocols. Sometimes, when you are working in a restricted network environment or need to access resources through an intermediary server, using a proxy with `curl` becomes essential. This is a quick cheat sheet on how cURL can be used for web scraping or any other cases when you need to appear as sending web request from another ip address. The curl command will automatically use these variables as a proxy. By the end, you’ll know exactly how to use cURL with a proxy to control your web traffic. Setup There are several options that let the user control different aspects of how connections are setup. Name resolve tricks with c-ares As should be detailed elsewhere in this book, curl may be built with several different name resolving backends. Example: curl --proxy-basic --proxy-user user:passwd -x proxy https://example. Export the variables or set using /etc/environment and /etc/profile. com See also -x, --proxy, --proxy-anyauth and --proxy-digest. Mar 7, 2025 · Learn to configure cURL to work with proxy settings, including command-line arguments, environment variables, aliases, and configuration files. How do I get around this? Alternatively, how can I set a proxy se Jul 25, 2015 · ENVIRONMENT VARIABLES Curl reads and understands the following environment variables: http_proxy, HTTPS_PROXY, FTP_PROXY They should be set for protocol-specific proxies. 1:81, so I set it up accordingl. Aug 22, 2019 · They are not well supported in every utility and framework and each tool has its own litrature to set proxy settings. This detailed guide covers installation, configuration, HTTP/HTTPS proxies, and SOCKS proxies with cURL examples. Start with defining and continue to learn different tricks and tips. In this tutorial, we'll send our HTTP request via a selected proxy IP address and port. Like this: Apr 30, 2024 · Learn how to use cURL with a proxy to scrape the web without getting blocked. Jun 29, 2016 · There is a --resolve option in the curl utility that allows you to add a DNS entry and force a certain IP address when calling a host. h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_PROXYPORT, long port); Description We discourage use of this option. 1Q. But if I hardcode the username and password in the request I see the request go through. 1. The curl command can be also used with proxy but we should provide proxy-related configuration with parameters. Complete step-by-step guide for HTTP, HTTPS & SOCKS proxies, rotation scripts & bypass techniques. You specify the proxy by setting a variable named [scheme]_proxy to hold the proxy hostname (the same way you would specify the host with -x). Let's explore multiple ways to do it. The network is 10. Learning proxy configurations in cURL enables seamless web scraping operations, enhancing anonymity and overcoming access restrictions. Using cURL with proxy is the easiest method for transferring data. The only wildcard available is a single Sep 4, 2025 · Synopsis Creates a proxy server or application-level gateway between localhost and the Kubernetes API server. Note that setting proxy using environment variables works only with MacOS and Linux. A numerical IPv6 address must be written within [brackets]. It is thus limited to your local network only and will not be used across any routers. Pass a long as parameter, which is set to a bitmask, to tell libcurl which HTTP authentication method (s) you want it to use for your proxy authentication. You tunnel through an HTTP proxy with curl using -p or --proxytunnel. Nov 14, 2024 · The command-line tool cURL (client URL) is commonly used to send or receive data to a server. You can export those Jun 24, 2011 · On Windows 7 I solved this by going into my environment settings (try this link for how) and adding user variables http_proxy and https_proxy with my proxy details. Contribute to oxylabs/curl-with-proxy development by creating an account on GitHub. It also allows serving static content over specified HTTP path. May 18, 2023 · Sometimes proxy servers provide greater anonymity on the internet by using a series of servers. Sep 11, 2022 · If Windows host machine is running behind any proxy (e. Explore how to bypass proxies. You can select the specific SOCKS version to use by using the correct scheme part for the given proxy host with -x, or you can specify it with a separate option instead of -x. If more than one bit is set, libcurl first queries the site to see what authentication methods it supports and then it picks the best one you allow it to use. h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_PROXYUSERPWD, char *userpwd); Description Pass a char pointer as parameter, which should be [username]: [password] to use for the connection to the HTTP proxy. If you want to tell curl to use a proxy when access an HTTP server, you set the http_proxy May 5, 2022 · Another way to use proxy with curl is to set the environment variables http_proxy and https_proxy. h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_NOPROXY, char *noproxy); Description Pass a pointer to a null-terminated string. Includes easy-to-follow examples and use cases for beginners and experts alike. Name CURLOPT_PROXYTYPE - proxy protocol type Synopsis #include <curl/curl. Name CURLOPT_PROXY - proxy to use Synopsis #include <curl/curl. By following these steps, you have successfully configured cURL to use a proxy in Ubuntu. Following this official guide, I have setup the proxy values in /etc/sysconfig/proxy file. SOCKS is a protocol used for proxies and curl supports it. If you want to tell curl to use a proxy when accessing an HTTP server, you set the http_proxy environment variable. When you do HTTPS through a proxy you normally connect through to the default HTTPS remote TCP port number 443. Dec 12, 2022 · cURL is a small *nix utility to perform network requests. Failing to do so (or providing the wrong credentials) makes the proxy return HTTP responses using code 407. See full list on oxylabs. Aug 7, 2024 · Learn how to effectively use cURL with proxy settings. Oct 26, 2018 · However, in a couple of cases recently, I've found packages that depend on the curl package to make web requests - for instance xml2::read_xml - and I can't find any way to set the same proxy options so they're picked up by default and used by curl. Nov 14, 2025 · In the world of Linux, `curl` is a powerful and versatile command-line tool used for transferring data with URLs. This step-by-step guide will teach you everything you need to know, from installing cURL to specifying proxies in your commands. I have been using curl for some time now and its working fine but with a proxy which uses users 'domain\\username' to authenticate curl fails asking for Authorization. A tutorial on using cURL command with proxies. Dec 27, 2020 · Fortunately I know how to bypass it freely (as in "free of charge"), currently I use Lantern, its http proxy port is 1053, I had set it to "manage system proxy" and "proxy all traffic", I had run these commands: netsh winhttp set proxy 127. How do I get Git to use a proxy server? I need to check out code from a Git server, but it shows "Request timed out" every time. Dec 2, 2020 · A proxy is an intermediate system in a network that is used to access another part of the network or the internet. This guide covers the basics of cURL, proxy configuration, best practices, and troubleshooting tips. Dec 4, 2024 · In the next sections, we’ll show you how to set up and use cURL with different types of proxies. Feb 5, 2025 · In this guide, I’ll walk you through the process step by step. The string consists of a comma separated list of hostnames that do not require a proxy to get reached, even if one is specified. This command-line tool acts as an alternative client to replicate Jun 23, 2025 · CURL作为一款强大的命令行工具，被广泛用于处理网络请求和数据传输。当需要通过代理服务器进行网络请求时，正确配置CURL使用代理变得尤为重要。 Mar 31, 2025 · This article explains in detail how to configure the proxy server with the Curl tool in the Linux system, combined with IP2world's proxy service, to help users efficiently manage network requests and data crawling tasks. To set a proxy, use the -x protocol://user:password@host:port command line argument. Oct 16, 2023 · To use a proxy with Curl, you must pass the required proxy address using the -x (or --proxy) command-line option and proxy credentials using the -U (or --proxy-user) command-line switch. If there are any proxy related environment variables set then they can interfere with curl's behaviour - notably no_proxy = '*' (or NO_PROXY) will disable the use of proxies by curl. The pre proxy can only be a SOCKS proxy. When a proxy is used, the active FTP mode as set with --ftp-port, cannot be used. 1 with HTTPS proxies, but if this option is used curl attempts to negotiate and use HTTP/2 instead. I am looking to set curl to use a proxy server. Since 7. How can I avoid hardcoding the username/password and stil ensure that proxy usage will work? Jul 4, 2018 · curl only supports the http_proxy environment variable for setting the proxy for HTTP with the environment. --proxy-ca-native (TLS) Tells curl to use the CA store from the native operating system to verify the HTTPS proxy. h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_PROXY, char *proxy); Description Set the proxy to use for transfers with this easy handle. One of those backends is powered by the c-ares library and when curl is built to use c-ares, it gets a few extra superpowers that curl built to use other name resolve backends do not get. Set NO_PROXY to exclude specific hosts/domains from the proxy. se If your proxy requires the authentication to be done using the NTLM method, use --proxy-ntlm, if it requires Digest use --proxy-digest. This short guide demonstrates how to connect through a proxy server with curl. Jan 21, 2025 · Learn all you need to know about using curl with proxies. It explains how to use HTTP, HTTPS, and SOCKS proxies, as well as how to create configuration files and override proxy settings for individual requests. Learn how to avoid IP bans, access restricted content, and stay anonymous online. d script Jun 6, 2020 · Configuring a proxy for Ubuntu (WSL) This article will explain the settings for working correctly in WSL from under the proxy for: apt-get curl wget git npm Apt-get Note: the following proxy Sep 29, 2024 · This article will introduce in detail how to use the curl command line tool to make web requests through SOCKS5 proxy. Nov 27, 2024 · Learn how to set a proxy in PowerShell with our easy-to-follow guide. It means that certain protocol specific operations might not be available. In this tutorial, you will learn how to use the curl command to connect via a proxy server on the Linux system. May 19, 2025 · With curl, you can instantly verify the apparent source IP after each hop. Perfect for anyone looking to enhance their data scraping and We would like to show you a description here but the site won’t allow us. Why should you use a proxy? There are various reasons why you would possibly want to use a proxy with cURL: To get around regional filters and country blocks. None of them seems to work. This option overrides existing environment variables that set the proxy to use. Jun 15, 2010 · curl --proxy-user proxyuser:proxypassword curl. Also note that curl, the command line tool, supports a set of additional environment variables independently of this. Sep 29, 2024 · This article will introduce in detail how to use the curl command line tool to make web requests through SOCKS5 proxy. May 17, 2021 · I have a work computer running on Windows in a corporate environment with an authenticating proxy server for outgoing connections to the internet. Example: May 10, 2025 · This article explains in detail how to efficiently configure proxies through curl commands, combines IP2world's various proxy IP products, and explores the core methods of network request optimization, which is suitable for developers and data workers. 0. 1 407 Proxy Authentication Required Proxy-Authenticate: NEGOTIATE Proxy-Authenticate: NTLM Add a flag for whatever you see in the Proxy-Authenticate parameter and you should be good to go. If there is an environment variable setting a proxy, you can set proxy to "" to override it. This guide explains key features, setup steps, and tips for using proxies with cURL. Mar 13, 2025 · This guide provides a comprehensive tutorial on using cURL with proxy servers, covering installation, connection setup, handling SSL errors, and configuring environment variables. May 17, 2024 · The . Authorization method is NTLM. I need cURL to access a website using proxy, as the site is restricted in my region. Then in a shell like bash, export http_proxy=''; before a command (or in a shell script) would temporarily change its value. I am not sure how to overcome proxy authentication. I've got machines using lots of scripts here and there accessing each other over HTTP. Instead of typing a long list of options each time, users can set frequently used Name CURLOPT_NOPROXY - disable proxy use for specific hosts Synopsis #include <curl/curl. We’ll go over what cURL is, why proxies are helpful, how to set it up on different systems, and how to customize cURL for different types of proxies and configurations. I'm trying to setup proxy on my SUSE VM. Learn how to deal with common issues, choose from different proxies, use various proxy techniques, etc. Dec 26, 2017 · Explains how to use the curl command with proxy server and username/password combo on a Linux, macOS, *BSD or Unix-like system. Now in the same article it says to use credentials with proxy, I Dec 28, 2023 · How to set up proxy on Linux using http_proxy and https_proxy environment variable. Set up, authenticate, rotate for effective scraping. All operations that are performed over an HTTP proxy are transparently converted to HTTP. I'm in a network using a proxy. What is a Proxy in cURL? A proxy server acts as an intermediary between your computer and the internet. cURL is a widely used PHP extension for making HTTP Nov 21, 2020 · Using a proxy with curl is straightforward and flexible. This is the full list of variables to set and description of what they do. The url is provided by an html form, which has not been a problem. Jun 30, 2024 · Learn how to use cURL with proxies in this detailed guide. [scheme]_proxy Mar 27, 2025 · Learn to use proxies in PHP with cURL to bypass IP bans and geo-restrictions. Apr 29, 2009 · I assume curl is reading the proxy address from the environment variable http_proxy and that the variable should keep its value. The content is aimed at enhancing users' understanding of cURL Jan 24, 2018 · Today I configured the PC of my company to setup a proxy and it worked because I can wget web page via proxy. 0, it also works for mbedTLS, Rustls, Schannel Mar 8, 2025 · This command will return the IP address seen by the target server, which should be the IP of your proxy server if configured correctly. Through Command Line Argument (Temporary solution) You can use a proxy using simple command-line arguments. All incoming data enters through one port and gets forwarded to the remote Kubernetes API server port, except for the path matching the static content path. This blog post aims to This option overrides existing environment variables that set the proxy to use. Beginning from installation to various options to set proxy. password. VLAN With the --vlan-priority command line option you set a priority value between 0 and 7 that is set in the Ethernet header. Apr 3, 2023 · Learn how to use cURL with proxies Follow our step-by-step guide ️ Boost your web scraping and protect your privacy! Synopsis #include <curl/curl. Besides, one should set https_proxy if they want to proxy HTTPS traffic (or better all_proxy if no need to set different proxies based on protocols). corporate proxy in office network), then it is required to pass/configure Proxy server and Proxy Authentication for cURL commands. When troubleshooting web-related issues, cURL has proven to be an indispensable tool in isolating and diagnosing problems effectively. We can also use cURL in PowerShell, but there are a few important things that you need to know. haxx. Sep 8, 2024 · Learn how to use cURL with HTTP, HTTPS, and SOCKS proxies to manage web traffic, ensure anonymity, and bypass restrictions. This configuration file allows users to define default options for cURL commands, which simplifies the execution of common tasks and can help automate repetitive command configurations. Proxy credentials may also be passed in the proxy string and will be URL decoded by Curl. 52. Configure your script's internet access in just a few simple steps. Dec 12, 2023 · Learn how to use cURL with a proxy to avoid being blocked while web scraping. Without the proxy it works fine. Bonus configurations guide for Windows users inside. Feb 28, 2025 · Assuming you want this proxy set system wide for not just curl but anything that respects the http_proxy settings in environment variables, your simplest solution to apply this system-wide would be to add this into /etc/environment: Description libcurl reads and understands a set of environment variables that if set controls and changes behaviors. This guide will show the steps and tips for setting HTTP, HTTPS, and SOCKS proxies. These curl recipes show you how to proxy your curl requests through a socks4, socks5, or a regular http (or https) proxy. curlrc file. Adding a proxy to cURL makes it even more powerful—giving you better privacy, security, and allowing you to access content from anywhere in the world. For Windows Go to the cURL download page: curl. In this article, we'll explain in detail how to do it. Proxy authentication HTTP and SOCKS proxies can require authentication, so curl then needs to provide the proper credentials to the proxy to be allowed to use it. Pass a long with this option to set the proxy port to connect to unless it is specified in the proxy string CURLOPT_PROXY or uses 443 for https proxies and 1080 for all others as default. muzba alc pzc ywzv uegyvac bcufn mbeb ltvoc bxxdy imgah xvkf gwpcqib kgbo qjtcnjl fgnbf