IP: 202.54.1.1
Port: 3128
Username: foo
Password: bar
The settings worked perfectly with Google Chrome and Firefox browser. How do I use it with the curl command? How do I tell the curl command to use my proxy settings from Google Chrome browser?
Many Linux and Unix command line tools such as curl command, wget command, lynx command, and others; use the environment variable called http_proxy, https_proxy, ftp_proxy to find the proxy details. It allows you to connect text based session and applications via the proxy server with or without a userame/password. This page shows how to perform HTTP/HTTPS requests with cURL cli using PROXY server.
Unix and Linux curl command with proxy syntax
The syntax is:
## Set the proxy address of your uni/company/vpn network ## export http_proxy=http://your-ip-address:port/ ## http_proxy with username and password export http_proxy=http://user:password@your-proxy-ip-address:port/ ## HTTPS version ## export https_proxy=https://your-ip-address:port/ export https_proxy=https://user:password@your-proxy-ip-address:port/ |
Another option is to pass the -x option to the curl command. To use the specified proxy:
curl -x <[protocol://][user:password@]proxyhost[:port]> url --proxy <[protocol://][user:password@]proxyhost[:port]> url --proxy http://user:password@Your-Ip-Here:Port url -x http://user:password@Your-Ip-Here:Port url |
Linux use curl command with proxy
First set the http_proxy:
## proxy server, 202.54.1.1, port: 3128, user: foo, password: bar ## export http_proxy=http://foo:bar@202.54.1.1:3128/ export https_proxy=$http_proxy ## Use the curl command ## curl -I https://www.cyberciti.biz curl -v -I https://www.cyberciti.biz |
Sample outputs:
* Rebuilt URL to: www.cyberciti.biz/ * Trying 202.54.1.1... * Connected to 1202.54.1.1 (202.54.1.1) port 3128 (#0) * Proxy auth using Basic with user 'foo' > HEAD HTTP://www.cyberciti.biz/ HTTP/1.1 > Host: www.cyberciti.biz > Proxy-Authorization: Basic x9VuUml2xm0vdg93MtIz > User-Agent: curl/7.43.0 > Accept: */* > Proxy-Connection: Keep-Alive > < HTTP/1.1 200 OK HTTP/1.1 200 OK < Server: nginx Server: nginx < Date: Sun, 17 Jan 2016 11:49:21 GMT Date: Sun, 17 Jan 2016 11:49:21 GMT < Content-Type: text/html; charset=UTF-8 Content-Type: text/html; charset=UTF-8 < Vary: Accept-Encoding Vary: Accept-Encoding < X-Whom: Dyno-l1-com-cyber X-Whom: Dyno-l1-com-cyber < Vary: Cookie Vary: Cookie < Link: <http://www.cyberciti.biz/wp-json/>; rel="https://api.w.org/" Link: <http://www.cyberciti.biz/wp-json/>; rel="https://api.w.org/" < X-Frame-Options: SAMEORIGIN X-Frame-Options: SAMEORIGIN < X-Content-Type-Options: nosniff X-Content-Type-Options: nosniff < X-XSS-Protection: 1; mode=block X-XSS-Protection: 1; mode=block < X-Cache: MISS from server1 X-Cache: MISS from server1 < X-Cache-Lookup: MISS from server1:3128 X-Cache-Lookup: MISS from server1:3128 < Connection: keep-alive Connection: keep-alive < * Connection #0 to host 10.12.249.194 left intact |
In this example, I’m downloading a pdf file:
$ export http_proxy="vivek:myPasswordHere@10.12.249.194:3128/"
$ curl -v -O http://dl.cyberciti.biz/pdfdownloads/b8bf71be9da19d3feeee27a0a6960cb3/569b7f08/cms/631.pdf
OR use the -x option:
curl -x 'http://vivek:myPasswordHere@10.12.249.194:3128' -v -O https://dl.cyberciti.biz/pdfdownloads/b8bf71be9da19d3feeee27a0a6960cb3/569b7f08/cms/631.pdf
Sample outputs:
How to use the specified proxy server with curl on Unix
$ curl -x http://prox_server_vpn:3128/ -I https://www.cyberciti.biz/faq/howto-nginx-customizing-404-403-error-page/
How to use socks protocol?
The syntax is same:
curl -x socks5://[user:password@]proxyhost[:port]/ url curl --socks5 192.168.1.254:3099 https://www.cyberciti.biz/ |
How do I configure and setup curl to permanently use a proxy connection?
Update/edit your ~/.curlrc file using a text editor such as vim:
$ vi ~/.curlrc
Append the following:
proxy = server1.cyberciti.biz:3128 proxy-user = "foo:bar" |
Save and close the file. Another option is create a bash shell alias in your ~/.bashrc file:
## alias for curl command ## set proxy-server and port, the syntax is ## alias curl="curl -x {your_proxy_host}:{proxy_port}" alias curl="curl -x server1.cyberciti.biz:3128" |
Remember, the proxy string can be specified with a protocol:// prefix to specify alternative proxy protocols. Use socks4://, socks4a://, socks5:// or socks5h:// to request the specific SOCKS version to be used. No protocol specified, http:// and all others will be treated as HTTP proxies. If the port number is not specified in the proxy string, it is assumed to be 1080. The -x option overrides existing environment variables that set the proxy to use. If there’s an environment variable setting a proxy, you can set proxy to “” to override it. See curl command man page here for more info.
I want to learn linux + networking for example iptables etc.
What is the best place to start?
I need a help to curl comand to download a large files from google drive, nothing works for me, sorry about my poor english.
thx for the post. this is exactly what i needed.