Curl set proxy.
This guide explores how to use cURL with a proxy.
Curl set proxy By following these steps, you have successfully configured cURL to use a proxy in Ubuntu. The Invoke-WebRequest cmdlet in PowerShell is a handy tool for making HTTP requests to websites. May 19, 2025 · With curl, you can instantly verify the apparent source IP after each hop. 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. 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. 87. This guide will show the steps and tips for setting HTTP, HTTPS, and SOCKS proxies. May 18, 2023 · Sometimes proxy servers provide greater anonymity on the internet by using a series of servers. The url is provided by an html form, which has not been a problem. Aug 22, 2019 · They are not well supported in every utility and framework and each tool has its own litrature to set proxy settings. None of them seems to work. Since version 7. Jan 21, 2025 · Learn all you need to know about using curl with proxies. When a proxy is used, the active FTP mode as set with --ftp-port, cannot be used. bashrc and in the ~/. cURL is a widely used PHP extension for making HTTP Nov 21, 2020 · Using a proxy with curl is straightforward and flexible. 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. Dec 12, 2023 · Learn how to use cURL with a proxy to avoid being blocked while web scraping. Following this official guide, I have setup the proxy values in /etc/sysconfig/proxy file. For Windows Go to the cURL download page: curl. This step-by-step guide will teach you everything you need to know, from installing cURL to specifying proxies in your commands. 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. The parameter should be a char * to a null-terminated string holding the hostname or dotted numerical IP address. The better we understand what works and what doesn’t, the closer we get to identifying the root cause of an issue. Example: curl --proxy-basic --proxy-user user:passwd -x proxy https://example. It means that certain protocol specific operations might not be available. Mar 7, 2025 · Learn to configure cURL to work with proxy settings, including command-line arguments, environment variables, aliases, and configuration files. 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. 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. When you do HTTPS through a proxy you normally connect through to the default HTTPS remote TCP port number 443. By the end, you’ll know exactly how to use cURL with a proxy to control your web traffic. 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. Beginning from installation to various options to set proxy. 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. 0. 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. 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. 1Q. For more tips and Mar 14, 2024 · Proxies are essential to avoid IP address blocking and accessing restricted web pages over a specific location. You'll also learn how to use rotating proxies and proxy authentication to bypass even the most sophisticated anti-scraping measures. Name CURLOPT_PROXYTYPE - proxy protocol type Synopsis #include <curl/curl. Like this: Apr 30, 2024 · Learn how to use cURL with a proxy to scrape the web without getting blocked. 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. Jul 14, 2021 · Using a proxy with cURL is easy. 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. May 17, 2024 · The . curlrc file is a configuration file for cURL, a command-line tool used to transfer data with various network protocols. Sep 11, 2022 · If Windows host machine is running behind any proxy (e. h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_NOPROXY, char *noproxy); Description Pass a pointer to a null-terminated string. 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. Follow this tutorial to learn the basics and best practices. This short guide demonstrates how to connect through a proxy server with curl. 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. Feb 5, 2025 · In this guide, I’ll walk you through the process step by step. 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. 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. 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. I'm in a network using a proxy. It supports a wide range of protocols, including HTTP, HTTPS, FTP, and many others. What is a Proxy in cURL? A proxy server acts as an intermediary between your computer and the internet. 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). By default, curl speaks HTTP/1. 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. Jul 15, 2025 · This tutorial will show the way to use a proxy with PHP’s cURL functions. When troubleshooting web-related issues, cURL has proven to be an indispensable tool in isolating and diagnosing problems effectively. Authorization method is NTLM. 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. Nov 6, 2010 · Proxy-Authorization: Basic [gibberish] User-Agent: curl/ [ver] ( [OS]) libcurl/ [ver] OpenSSL/ [ver] zlib/ [ver] Proxy-Connection: Keep-Alive HTTP/1. My proxy is 10. This detailed guide covers installation, configuration, HTTP/HTTPS proxies, and SOCKS proxies with cURL examples. 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. VLAN With the --vlan-priority command line option you set a priority value between 0 and 7 that is set in the Ethernet header. Nov 14, 2025 · In the world of Linux, `curl` is a powerful and versatile command-line tool used for transferring data with URLs. Set the tunnel parameter to 1L to make libcurl tunnel all operations through the HTTP proxy (set with CURLOPT_PROXY). Learn how to avoid IP bans, access restricted content, and stay anonymous online. Learning proxy configurations in cURL enables seamless web scraping operations, enhancing anonymity and overcoming access restrictions. 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. 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. Export the variables or set using /etc/environment and /etc/profile. Name resolve tricks with c-ares As should be detailed elsewhere in this book, curl may be built with several different name resolving backends. Complete step-by-step guide for HTTP, HTTPS & SOCKS proxies, rotation scripts & bypass techniques. We would like to show you a description here but the site won’t allow us. 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. Proxy credentials may also be passed in the proxy string and will be URL decoded by Curl. 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). If you want to tell curl to use a proxy when accessing an HTTP server, you set the http_proxy environment variable. Nov 27, 2024 · Learn how to set a proxy in PowerShell with our easy-to-follow guide. If there is an environment variable setting a proxy, you can set proxy to "" to override it. Nov 27, 2020 · Using a proxy with dnf is relatively simple. The pre proxy can only be a SOCKS proxy. In this article, we'll explain in detail how to do it. In this guide, we'll show you step-by-step how to use cURL with a proxy, keeping things simple and easy to follow. 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 . Tagged with curlproxy. 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. This guide explains key features, setup steps, and tips for using proxies with cURL. Apr 30, 2024 · In this article, we'll dive into how to use cURL with proxies effectively. This tutorial is useful for web developers who need to test REST APIs in corporate networks. 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. 1:81, so I set it up accordingl. Aug 1, 2024 · Learn how to use cURL with different types of proxies, including HTTP, HTTPS, and SOCKS5. To specify port Learn how to use cURL with proxies in this detailed guide. Learn how to use HTTP or SOCKS proxies with cURL, including authentication, IPv6 support, and rotating proxies for scraping and automation. 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. 1. Bonus configurations guide for Windows users inside. We’ll walk you through the process of running curl through proxy servers in this guide. 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. This step-by-step tutorial will show you the three different ways to set up a proxy server with cURL command line tool. This is the full list of variables to set and description of what they do. In this tutorial, you will learn how to use the curl command to connect via a proxy server on the Linux system. 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). A numerical IPv6 address must be written within [brackets]. 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. It is thus limited to your local network only and will not be used across any routers. A tutorial on using cURL command with proxies. Explore how to bypass proxies. [scheme]_proxy Mar 27, 2025 · Learn to use proxies in PHP with cURL to bypass IP bans and geo-restrictions. 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. But if I hardcode the username and password in the request I see the request go through. 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. This setup is beneficial for situations where direct internet access is restricted or when you want to enhance your privacy while making web requests. 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. 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. 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. password. Here’s how to install cURL on Windows, macOS, and Linux. Set a specific different User-Agent: only to the proxy: A tutorial on using cURL command with proxies. 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. Learn how to deal with common issues, choose from different proxies, use various proxy techniques, etc. Use --noproxy or related curl options to disable the proxy per request. 3 cURL allows specifying an IP address, t Feb 5, 2025 · In this guide, I’ll walk you through the process step by step. 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. Easy to follow, beginner friendly! Jan 21, 2025 · Learn all you need to know about using curl with proxies. com See also -x, --proxy, --proxy-anyauth and --proxy-digest. Jun 15, 2010 · curl --proxy-user proxyuser:proxypassword curl. 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. 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. Set Up cURL to Permanently Use a Proxy on Linux We'll look at several ways to permanently use curl to set up proxies. See full list on oxylabs. Learn different ways of setting up curl with a proxy and some examples of common commands. 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. 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. corporate proxy in office network), then it is required to pass/configure Proxy server and Proxy Authentication for cURL commands. Also note that curl, the command line tool, supports a set of additional environment variables independently of this. Default. This option overrides existing environment variables that set the proxy to use. In this tutorial, we will learn how to use the curl command for different types and configuration proxy systems. 0 for OpenSSL and GnuTLS. 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. Environment variables, configuration files, or command-line parameters customize proxy settings for consistent and convenient application. 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. First, you’ll learn what cURL is and why augmenting it with proxies can supercharge your productivity and secure your online privacy. Name CURLOPT_PROXYUSERPWD - username and password to use for proxy authentication Synopsis #include <curl/curl. 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. This guide demonstrates how to permanently and temporarily configure dnf to use a proxy server. Installing cURL on Different Platforms Before you can use cURL with a proxy you need to make sure cURL is installed on your system. 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. 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. Set NO_PROXY to exclude specific hosts/domains from the proxy. 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. It is separate from the server authentication to allow This guide explores how to use cURL with a proxy. It also allows serving static content over specified HTTP path. 0/8. Aug 14, 2025 · Learn how to use cURL with proxy servers. Lowercase being the key and vital difference. Oct 18, 2024 · This guide shows how to use curl proxy to access geo-restricted websites. se/windows. CURLPROXY_HTTP HTTP Proxy. h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_PROXY, char *proxy); Description Set the proxy to use for transfers with this easy handle. (Added in 7. The curl command will automatically use these variables as a proxy. Failing to do so (or providing the wrong credentials) makes the proxy return HTTP responses using code 407. Using Environment Variable In a very simple word, you can simply set the following environment variables on your system. 1 with HTTPS proxies, but if this option is used curl attempts to negotiate and use HTTP/2 instead. Includes easy-to-follow examples and use cases for beginners and experts alike. g. h> CURLcode curl_easy_setopt (CURL *handle, CURLOPT_PROXYPORT, long port); Description We discourage use of this option. When you use a proxy with cURL, your requests are routed through the proxy server before reaching the target server. The network is 10. In most other ways, HTTPS proxies work like HTTP proxies. Contribute to oxylabs/curl-with-proxy development by creating an account on GitHub. I'm trying to setup proxy on my SUSE VM. haxx. 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. The tool’s advantage is that it supports multiple protocols and offers features like authentication, proxy, transfer resume, and more. SOCKS is a protocol used for proxies and curl supports it. Step-by-step guide that covers in detail how to use cURL with proxy servers. 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. All operations that are performed over an HTTP proxy are transparently converted to HTTP. Note that setting proxy using environment variables works only with MacOS and Linux. 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. I tried various available settings with CURL like BASIC / DIGEST / NTLM. I am not sure how to overcome proxy authentication. 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. Learn how to proxies with cURL. se If your proxy requires the authentication to be done using the NTLM method, use --proxy-ntlm, if it requires Digest use --proxy-digest. Aug 7, 2024 · Learn how to effectively use cURL with proxy settings. 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. Sep 21, 2022 · 1 Conclusion: To correct, there's no problem in Windows version cURL. What I did is set http_proxy, https_proxy and ftp_proxy in the ~/. 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. This guide covers the basics of cURL, proxy configuration, best practices, and troubleshooting tips. CURLPROXY_HTTPS HTTPS Proxy using HTTP/1. These curl recipes show you how to proxy your curl requests through a socks4, socks5, or a regular http (or https) proxy. Sep 8, 2024 · Learn how to use cURL with HTTP, HTTPS, and SOCKS proxies to manage web traffic, ensure anonymity, and bypass restrictions. 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. curl supports both SOCKS version 4 as well as version 5, and both versions come in two flavors. 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). In this tutorial, we'll send our HTTP request via a selected proxy IP address and port. This blog post aims to This option overrides existing environment variables that set the proxy to use. 21. The curl command can be also used with proxy but we should provide proxy-related configuration with parameters. 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. Through Command Line Argument (Temporary solution) You can use a proxy using simple command-line arguments. 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. Managing proxy usage in cURL ensures controlled and secure data transfers. To add salt to the injury, not every tool supports NTLM authentication well which is quite common in many proxies. 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. VLAN priority as defined in IEEE 802. Dec 12, 2022 · cURL is a small *nix utility to perform network requests. Sep 29, 2024 · This article will introduce in detail how to use the curl command line tool to make web requests through SOCKS5 proxy. There is a big difference between using a proxy and to tunnel through it. 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. curlrc file. 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. --proxy-ca-native (TLS) Tells curl to use the CA store from the native operating system to verify the HTTPS proxy. Setup There are several options that let the user control different aspects of how connections are setup. 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. Apr 26, 2025 · Curl is a utility used for data transfer in command lines or scripts. Set up, authenticate, rotate for effective scraping. Using cURL with proxy is the easiest method for transferring data. 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. The string consists of a comma separated list of hostnames that do not require a proxy to get reached, even if one is specified. For such transfers, common FTP specific options do not work, including --ssl-reqd and --ftp-ssl-control. 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. Dec 4, 2024 · In the next sections, we’ll show you how to set up and use cURL with different types of proxies. Let's explore multiple ways to do it. Configure your script's internet access in just a few simple steps. Jun 30, 2024 · Learn how to use cURL with proxies in this detailed guide. Name CURLOPT_PROXY - proxy to use Synopsis #include <curl/curl. 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. 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. Without the proxy it works fine. 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. 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. Since 7. Start with defining and continue to learn different tricks and tips. 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. 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. I am looking to set curl to use a proxy server. 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. Doing FTP over an HTTP proxy without --proxytunnel makes curl do HTTP with an FTP URL over the proxy. I've got machines using lots of scripts here and there accessing each other over HTTP. We can also use cURL in PowerShell, but there are a few important things that you need to know. 52. Learn how to configure no_proxy on Linux machines using wildcards and leading dots for bypassing proxy settings effectively. Nov 14, 2024 · The command-line tool cURL (client URL) is commonly used to send or receive data to a server. Authentication for proxies is similar to "normal" HTTP authentication. You tunnel through an HTTP proxy with curl using -p or --proxytunnel. To set a proxy, use the -x protocol://user:password@host:port command line argument. qqjibtlqtaosayifqiktgnvuhouazlljgeslkxxtxazlzkuhryztxzkmmmibjwikoxtctseotgkxjg