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Submission: On November 29 via manual (November 29th 2022, 12:16:21 am UTC) from AU — Scanned from AU

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PERFORMING HTTP REQUESTS WITH CURL (USING PROXY)

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Asked 10 years, 9 months ago
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I have this proxy address: 125.119.175.48:8909

How can I perform a HTTP request using cURL like curl http://www.example.com,
but specifying the proxy address of my network?

* linux
* curl
* proxy

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edited Aug 22, 2017 at 20:27

ivanleoncz
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asked Feb 25, 2012 at 15:47

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From man curl:

-x, --proxy <[protocol://][user:password@]proxyhost[:port]>

Use the specified HTTP proxy.
If the port number is not specified, it is assumed at port 1080.

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edited Oct 15, 2013 at 21:57

Ben G
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answered Feb 25, 2012 at 15:51

Karl BarkerKarl Barker
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* curl: (7) couldn't connect to host curl: (7) couldn't connect to host
– user873286
Feb 27, 2012 at 22:50
* I get above error when I run this command: curl -x, --proxy 122.72.2.200:80
mysite.com/test.php?id=1
– user873286
Feb 27, 2012 at 22:52
* 79
"-x, --proxy" means that either one can be used. The command should be either
"curl -x 122.72.2.200:80 mysite.com/test.php?id=1" or "curl --proxy
122.72.2.200:80 mysite.com/test.php?id=1"
– IBBoard
Dec 4, 2012 at 11:39
* 9
The docs are correctly quoted as above, however, the user and password should
be expressed differently: -x user:password@proxyhost:port
– Ed Chapel
Sep 7, 2013 at 12:14
* if you need to curl and get via proxy do curl -x GET mysite.com --proxy
yourproxy:port
– Raymond
Sep 6, 2017 at 3:48

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General way:

export http_proxy=http://your.proxy.server:port/

Then you can connect through proxy from (many) application.

And, as per comment below, for https:

export https_proxy=https://your.proxy.server:port/

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edited Jun 19, 2019 at 14:04

answered Feb 25, 2012 at 19:51

airweenairween
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* 79
When you need to proxy HTTPS traffic, the environment variable is upper case:
HTTPS_PROXY
– phatblat
Nov 14, 2012 at 16:38
* 23
From the man pages The environment variables can be specified in lower case
or upper case. The lower case version has precedence. http_proxy is an
exception as it is only available in lower case. Using an environment
variable to set the proxy has the same effect as using the --proxy option.
– Captain Lepton
Jun 19, 2013 at 14:23
* @BipinVayalu, what do you want to check? At this way, what I describe above,
the client uses the proxy "direct way", not transparently. So, the proxy
gives the standard HTTP answers (including HTTP codes). If you export a wrong
http_proxy environment variable (eg. bad port...), the client could't connet
to that, and it gives an error message: "Warning! Couldn't connect to remote
host!", or something similar - just try it :)
– airween
May 23, 2014 at 9:18
* 15
If you check curl source code, you will see at url.c(line 4337 in verion
7.39) they check for lowercase version and if they can't find it, check for
the uppercase.
– Jose Palma
Nov 24, 2014 at 14:17
* 1
Most users sent me a correction, now I share that. If you want to use HTTPS
connection through proxy, then you should do this: export
https_proxy=your.proxy.server:port Note, that there is "http" proto in URL
schema, not httpS!
– airween
Aug 23, 2015 at 18:59

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The above solutions might not work with some curl versions I tried them for
myself(curl 7.22.0). But what worked for me was:

curl -x http://proxy_server:proxy_port --proxy-user username:password -L http://url

Hope it solves the issue better!

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answered Feb 11, 2014 at 10:14

AmarAmar
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* Run into the same issue, the curl shipped by Debian Wheezy still doesn't
support the env trick
– hyperknot
Aug 19, 2014 at 15:41
* Got this instead [1] 4812
– Aminah Nuraini
Feb 19, 2017 at 21:07

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Beware that if you are using a SOCKS proxy, instead of a HTTP/HTTPS proxy, you
will need to use the --socks5 switch instead:

curl --socks5 125.119.175.48:8909 http://example.com/

You can also use --socks5-hostname instead of --socks5 to resolve DNS on the
proxy side.

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edited May 13, 2019 at 17:30

answered Aug 28, 2014 at 16:57

Filipe CorreiaFilipe Correia
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* 7
This didn't work for me, but using --socks5-hostname did.
– Michał Rybak
Apr 14, 2016 at 19:28
* 2
@MichałRybak that will work the same but resolve DNS on the proxy side. See
the man page for more details.
– Filipe Correia
Apr 15, 2016 at 9:32
* 3
curl https://api.ipify.org --proxy socks5://189.100.246.182:37339 seems to
work fine for me. Is the --proxy option in some way inferior to --socks5 when
using socks5 proxies?
– user993683
Jul 5, 2017 at 12:38
* @user993683 It's version-dependent. --proxy is probably what you want, now,
but it wasn't always supported. Also note that socks5:// and socks5h://
perform hostname (DNS) resolution before and after connecting to the proxy,
respectively.
– Michael
May 9, 2019 at 16:23

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as an adition to airween, another good idea is to add this into your .bashrc, so
you'll be able to switch from non proxied to proxied environment:

alias proxyon="export http_proxy='http://YOURPROXY:YOURPORT';export https_proxy='http://YOURPROXY:YOURPORT'"
alias proxyoff="export http_proxy='';export https_proxy=''"

WHERE YOURPROXY:YOURPORT is exactly that, your ip and port proxy :-).

Then, simply doing

proxyon

your system will start to use the proxy, and just the opposite with:

proxyoff

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answered May 22, 2014 at 8:03

Alejandro MorenoAlejandro Moreno
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* unset http_prox ;) !
– cedrik
Nov 17, 2020 at 14:41
* your system will start to use the proxy not completely correct, you will
start/stop only in current shell and subshells
– Narcolessico
Jan 27 at 15:04

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use the following

curl -I -x 192.168.X.X:XX http://google.com

192.168.X.X:XX put your proxy server ip and port.

-v verbose mode it will give more details including headers and response.

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edited Aug 26, 2015 at 6:27

CommunityBot
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answered Jan 29, 2015 at 16:48

13krn13krn
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* 2
This should be the answer. Not everyone wants to specify a global variable
(export) for every HTTP request performed by every HTTP client on your host.
This option gives more flexibility, IMHO.
– ivanleoncz
Aug 22, 2017 at 15:44
* This is so useful when you're trying different proxies against an url.
Thanks.
– redAce
Oct 2, 2018 at 13:51

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I like using this in order to get the IP under which I am seen

curl -x http://proxy_server:proxy_port https://api.ipify.org?format=json && echo

Hope this helps someone.

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answered Sep 4, 2017 at 14:11

bmetgebmetge
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For curl you can configure proxy in your ~/.curlrc (_curlrc on Windows) file by
adding proxy value, the syntax is:

proxy = http://username:password@proxy-host:port

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edited Jan 11, 2019 at 12:58

answered Mar 5, 2016 at 14:16

kenorbkenorb
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* That's it! Configured the proxy setting some years ago in that file and
wondered today, why curl doesn't work anymore now the proxy adress changed
and the env vars are all set correct. Thanks for that!
– emale
Mar 19, 2019 at 9:29
* On Windows, the "_curlrc" file can (must?) be placed into the "%APPDATA%"
directory.
– Fred Danna
Oct 1, 2021 at 16:03

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curl -I "https://www.google.com" -x 1.1.1.1:8080

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edited Dec 7, 2021 at 13:02

evandrix
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answered Sep 6, 2019 at 9:52

Debashish SahaDebashish Saha
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* 12
Consider adding explanation to your solution.
– Pochmurnik
Sep 6, 2019 at 9:58

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Just summarizing all great mentioned answers:

curl -x http://<user>:<pass>@<proxyhost>:<port>/ -o <filename> -L <link>

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answered May 11, 2018 at 13:51

Morteza MashayekhiMorteza Mashayekhi
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With a proxy with authentication I use:

curl -x <protocol>://<user>:<password>@<host>:<port> --proxy-anyauth <url>

because, I don't know why curl doesn't use/catch http[s]_proxy environment
variables.

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answered May 31, 2017 at 6:39

Pedro R. Sánchez A.Pedro R. Sánchez A.
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You don't need to export the http[s]_proxy shell variable if you're just setting
the proxy for a one off command. e.g.

http_proxy=http://your.proxy.server:port curl http://www.example.com

That said, I'd prefer curl -x if I knew I was always going to use a proxy.

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answered Mar 27, 2017 at 18:03

overthinkoverthink
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sudo curl -x http://10.1.1.50:8080/ -fsSL https://download.docker.com/linux/ubuntu/gpg

> This worked perfectly for me, the error comes because curl need to set the
> proxy
>
> Remmember replace the proxy with your proxy, mine, "example" was
> http://10.1.1.50:8080/.

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answered Jun 11, 2019 at 16:26

IbarMarioIbarMario
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curl -vv -ksL "https://example.com" -x "http://<proxy>:<port>"

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edited Dec 7, 2021 at 13:02

evandrix
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answered Jul 23, 2020 at 8:00

iamtheexp01iamtheexp01
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Depending on your workplace, you may also need to specify the -k or the
--insecure option for curl in order to get past potential issues with CA
certificates.

curl -x <myCompanyProxy>:<port> -k -O -L <link to file to download>

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answered Jan 11, 2018 at 20:59

Matt LeglerMatt Legler
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In case the proxy is using automatic proxy with PAC file. We can find the actual
proxy from the javascript from the PAC URL.

And if the proxy needs authentication, we can first use a normal web-browser to
access the website which will promote authentication dialog. After
authentication, we can use wireshark to capture the http package sends to the
proxy server, from the http package, we can get the auth token from http header:
Proxy-Authorization

Then we can set the http_proxy environment variable and also include auth token
in the http header: Proxy-Authorization

export http_proxy=http://proxyserver:port

curl -H "Proxy-Authorization: xxxx" http://targetURL

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edited Aug 24, 2017 at 0:44

answered Jun 24, 2017 at 5:49

Jianwu ChenJianwu Chen
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curl -x socks5://username:password@ip:port example.com

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edited Jun 23 at 21:51

S.B
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answered Jun 22 at 20:27

MohammadReza HosseiniMohammadReza Hosseini
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