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Questions tagged [curl]

cURL is an HTTP client library and command line tool.

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Using curl to get a specific value from Plesk Remote API (REST) [migrated]

I use curl to get a DNS record from my Plesk server: curl -X GET -H 'authorization: Basic xxx' -H 'accept: application/json' 'https://example.com:8443/api/v2/dns/records/15781/' result: { "id&...
stevland's user avatar
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How to get actual latency when downloading with curl?

I have an http software that let people be logged and download data according to sent bytes. It's an infinite download until connection stopped. I want to know the time for each download. The ...
Elikill58's user avatar
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Why does curl inside Docker to a subdomain in the same Host use private IP address?

Consider I have docker-subdomain.mydomain.com pointing to a website in a Docker container, and host-subdomain.mydomain.com pointing to a website in the Host itself. Both these websites are in the same ...
Nuno's user avatar
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1 answer
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Curl has incorrect DNS resolution in a dind context

I am running a docker:20.10.7-dind container. Into this one I am running a multi containers app. One container is a back container. Another one is a keycloak container. I connect on the back container ...
ERO's user avatar
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-2 votes
1 answer
125 views

Do I really need CURL on all my Windows devices? [closed]

So a vulnerability scanner has revealed that I have a version of CURL that is out of date on basically all of my machines. Environments in question are Windows 10 and Server 2019. From what I can ...
The ITea Guy's user avatar
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106 views

Curl 'Expect: 100-continue' and empty response on some clients

I have a php script which is communicating with an external API via curl requests. Suddenly last week some requests got an empty response from the server, instead of the requested data (although the ...
TmCrafz's user avatar
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1 answer
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How can I curl -IL all the website pages starting with the root pagenot just 1 page at the time?

I need to curl -IL all the website and maybe do cron job or something every 24hrs so fastcgi can cache all the pages on website The cache don't hit unless I curl -IL the webpage so I need something ...
Crypto Coupons's user avatar
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troubleshooting dns resolution, packet dropping, and dig/nslookup

I've been trying to troubleshoot an issue where using a curl lookup command takes a long time (sometimes) and is quick some other time. TL;DR Question: how do i troubleshoot further. Connecting ...
Wel Rachid's user avatar
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93 views

How do I get cURL (CLI) to close the connection made to a https server?

cURL doesn't seem to care about closing the connection to a server even when I include the "Connection: close" header? It respects the header for http, but not for https, seems like? curl -v ...
LaRuim's user avatar
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HTTP request fails with connection time out, but only from our server

My web application is running on a dedicated linux server located at a major hosting company. It needs to connect to an API provider, but libCurl always reports a connection timeout. I've boiled it ...
Agent Friday's user avatar
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cURL error 7: Failed to connect to localhost port 443: Connection refused

OS version: Ubuntu 20.04 x86_64 Plesk version: Plesk Obsidian 18.0.47.5 Hi, I am running XenForo Forum on my Plesk which running behind Cloudflare. I get following erro log, which is showing me that ...
Adem Aga's user avatar
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34 views

How can I suppress . and .. when using curl against vsftpd?

When using curl to get a directory listing from a remote host running vsftpd, how can you suppress "." and ".." from being listed? Consider ... curl --insecure --user 'name:pass' ...
LiamF's user avatar
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189 views

Curl command doesn't works without sudo

I am trying to make a curl request to https://www.google.com but gives this error SSL certificate problem: unable to get local issuer certificate the same command works with sudo ,how to solve this ...
Shubham Dixit's user avatar
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How do I change a port restricted IP in a Lightsail instance via API?

I have a port that is IP-restricted in a Lightsail instance. How do I change that restricted IP via API or even aws-cli? I prefer via API using cURL. Thanks in advance.
Primo's user avatar
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Restrict IP addresses Google APIs and Accesing from GKE (Google Kubernetes Engine) Request Denied

I created API Keys to enable Geocoding API, Maps JavaScript API and Places API with Restrict IP with Cloud NAT IP. My API Keys access from Kubernetes on GCP (Google Kubernetes Engine/GKE), when im ...
adhithia's user avatar
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355 views

How can I make my nginx web server reachable from outside its local network?

I am trying to reach a subdomain of my website from outside its local network. I can successfully ping it (ping my.subdomain.com): PING my.subdomain.com (ser.ver.ip.add) 56(84) bytes of data. 64 bytes ...
naraghi's user avatar
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74 views

Use EasyCron to make cURL request with cronjob

I want to make a cURL request every 12 hours and trigger the request with a cronjob. Unfortunately I'm a total newbie in cURL and cronjobs. This is the request I want to make: curl --location --...
Cray's user avatar
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31 views

Strange Apache CustomLog behavior

I'm adding a Docker healthcheck function which I've successfully done in one container, but adding the same code to a different container is behaving strangely. Essentially, I'm simply trying to not ...
J. Scott Elblein's user avatar
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1 answer
331 views

Block curl requests to a particular IP

I have a setup comprising of a server, a proxy server and a client. I need to test out a simple feature where I want to ensure that all the requests are going to the server through the proxy server ...
Prateek Bajpai's user avatar
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377 views

ftps setup with client certificate verification

I'm trying to set up an ftps server (vsftpd) where the login method from the clients will not be through password but through client certificate verification. As I have not been successful from what I ...
dvc's user avatar
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HAproxy's http-check to a site requesting basic auth

HAproxy should use httpchk against a page that requires authentication via basic auth. backend backendname option httpchk http-check send meth GET uri /check/path/ ver HTTP/1.1 hdr ...
hopefullynotallreadytokennam's user avatar
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411 views

How to run Run a curl command in buildspec.yml with SSM start session

I am trying to pass this curl command in my buildspec.yml but it keeps on failing with the below error. What is the right way to pass the curl command? FYI i need to use aws ssm start-session since i ...
Contraboy's user avatar
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How to debug OpenSSL SSL_read: error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure, errno 0

We have a nginx setup with client certificate authentication running on docker, we are only using these ssl settings: ssl_protocols TLSv1.2; ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:...
skwokie's user avatar
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1 answer
370 views

how can I extract a Version number from a website with curl and grep / sed?

I want to get the latets version number from this website: https://www.mailpiler.org/wiki/download so I do a curl to get the content and then just use a pipe to search for the string using grep curl ...
helpmenicely's user avatar
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1 answer
1k views

curl -X GET http://localhost:9200 return Access Denied

I am trying to install and setup Elasticsearch 8 on Centos 7 server, the service started but when I do curl -x GET HTTP://localhost:9200, or curl -x GET HTTP://127.0.0.1:9200 or curl -x GET HTTP://(...
Mai's user avatar
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5k views

Tips to Debug CURL with a client - (56) Recv failure: Connection reset by peer site

A client of mine is trying to connect to our site via CURL. The command they are running is: curl -Ik example.com The response they receive is: (56) Recv failure: Connection reset by peer site They ...
maestrojed's user avatar
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71 views

Kubernetes. I cannot curl https url after Kube-Proxy applies iptables rules on node. Can curl successfully prior to rules being applied

When kube-proxy iptables rules are NOT applied, I can, for example, run: curl -k https://kibana.default.svc.cluster.local:443/api/status (IP address of kibana is 10.233.74.67) But, as soon as the ...
Jeff M's user avatar
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2 votes
2 answers
607 views

`curl --verbose` but without SSL details? (i.e. just HTTP headers)

Calling -v/--verbose on curl(1) will show me the HTTP headers of a request & response (and also tell me if curl is following a redirect). But if the server is over HTTPS/SSL/TLS, then it will also ...
Amandasaurus's user avatar
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6k views

Curl "peer's certificate issuer is not recognized" error when attempting to communicate between two servers

I have two servers A and B that host websites that work fine in a browser with https. The lock icon in the browsers show active and trusted SSL certificates. I'm trying to run curl so that server A ...
Timothy Fisher's user avatar
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1 answer
612 views

curl request via Nginx with mTLS enabled

When Nginx is configured to verify server's TLS chain like this: proxy_ssl_trusted_certificate some.pem; proxy_ssl_verify on; proxy_ssl_verify_depth 3; and testing using a curl command, will ...
user3621726's user avatar
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0 answers
659 views

Nginx 502 Issue with the API & php-fpm

I've configured the new dev machine but can't get nginx working with the API as it is supposed to. The current error is that 'curl localhost/api' returns a 502. Host: Nginx PHP 8.1.x, php-fpm ...
Santosh Baruah's user avatar
0 votes
2 answers
1k views

Basic auth and data from curl to HAProxy backend not working on TLS Termination - but works on TLS passthrough

listen pki bind *:8884 ssl no-sslv3 crt /HAPROXY.pem.ecdsa verify required ca-file /CA_CHAIN.pem mode http http-request add-header Content-Type "application/pkcs10" http-...
Eos Antigen's user avatar
2 votes
1 answer
16k views

WSL-Docker: curl: (60) unable to get local issuer certificate

After a PC reconfiguration I am unable to use Docker properly, since some curl commands are rejected due to SSL/TLS issues. In just one example curl -vfsSL https://apt.releases.hashicorp.com/gpg ...
casparjespersen's user avatar
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0 answers
432 views

Odd TLS Error when using curl on origin server x.509

I am hoping someone can help explain what is happening in this situation.. As of now, I have a domain from google domains and I am using cloudflare for my DNS management. I am not using any TLS/SSL ...
Alex Zoller's user avatar
1 vote
0 answers
220 views

Iptables DNAT rule curl connection refused

After adding the following DNAT rule I'm getting connection refused when attempting to curl 172.17.1.1:9000/v1/api: iptables -t nat -I PREROUTING -p tcp --dst 172.17.1.1 --dport 9000 -j DNAT --to-...
lion_bash's user avatar
  • 113
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0 answers
2k views

oauth2 on office365 smtp with curl error 530 5.7.57 Client not authenticated to send mail

I am using this curl: curl -vvv --url 'smtp://smtp.office365.com:587' \ --ssl-reqd \ --mail-from "$user" \ --mail-rcpt "$destuser" \ --upload-file ./mail.txt \ --oauth2-bearer $...
golemwashere's user avatar
0 votes
1 answer
1k views

Curl and etc. HTTP requests not working when I connected to vpn

Please tell me how to solve next problem: Curl and etc. HTTP requests not working when I connected to vpn. I get a simple error - "could not resolve host". But when i disconnect from vpn ...
Bogdan's user avatar
  • 1
1 vote
2 answers
278 views

Use .kube/config Client certs in curl

If you use kubectl get pod foo -v10 you see a curl line, but this does not work. Example: guettli@p15:~$ curl -k -v -XGET -H "Accept: application/json;as=Table;v=v1;g=meta.k8s.io,application/...
guettli's user avatar
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199 views

Apache ProxyPass: Connection timed out

I have my apache configured to proxy some traffic to an internal ip (127.0.0.1:8048). When accessing the internal IP, everything works fine. But when acessing the proxy, I receive: Failed to connect ...
Adrian-Bielefeldt's user avatar
0 votes
1 answer
4k views

curl: (60) server certificate verification failed CRLfile: none

I'm slowly transitioning from an exclusive developer role and into more of a hybrid DevOps role at my company. Which means I'm new to a lot of this, please go easy on me... :-p My client's server is ...
Drew's user avatar
  • 101
1 vote
1 answer
263 views

Website blocks my requests from linux ubuntu server

I'm a Java engineer with zero dev ops experience. Lately I was playing around with linux ubuntu server first time and used docker with my selenium project and faced this problem: I try to scrape HTML ...
Vytautas Šerėnas's user avatar
1 vote
0 answers
2k views

How to avoid "Could not resolve host" inside Docker under heavy load?

the problem I am dealing with for months is explained very easy: I am running PHP-FPM with docker, and whenever the server load is increasing I randomly get "Could not resolve host" errors (...
michabbb's user avatar
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0 answers
1k views

Traceroute - Header Link CURL result Issue

We have systematic CURLs run every 15 mins - 2 hours from this system and logging their status. Every other CURL for the past 2 months has succeeded except this. Is there a way to identify why this ...
samtech 2021's user avatar
0 votes
0 answers
702 views

HTTPS POST-Request fails in connection with Content-Length

A PHP application posts XML data with curl; nothing fancy, the output looking like (c/p, but identifiers and passwords changed): Host: foreign.host.example Authorization: Basic dGVzdDpnZWhlaW0= User-...
SlowFox's user avatar
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0 votes
0 answers
137 views

gnutls_handshake() failed: An unexpected TLS packet was received [duplicate]

I am facing this issue when triggering curl to a target application hosted in ubuntu 20. curl: (35) gnutls_handshake() failed: An unexpected TLS packet was received,Below is the curl version in source....
Sarath S's user avatar
  • 101
0 votes
1 answer
291 views

What is the maximum value acceptable for xargs -P argument? [duplicate]

In this answer they mention 10 I did man xargs and couldn't find what's the maximum limit. Is it possible to send 10000 cURL requests per second? How about 50000 cURL requests per second? I mean all ...
sofs1's user avatar
  • 103
4 votes
0 answers
3k views

ngnix php curl old SSL session ID is stale, removing

I am making a php curl request from nginx server to apache server It shows old SSL session ID is stale, removing As per the link I have changed the SSLSessionCacheTimeout in bitnami apache server but ...
DroidDev's user avatar
  • 141
1 vote
1 answer
982 views

curl --insecure not working

I needed to run the below behind a proxy: curl -L "https://packages.gitlab.com/install/repositories/runner/gitlab-runner/script.deb.sh" | sudo bash Which returned errors related to SSL (...
A L's user avatar
  • 137
0 votes
1 answer
329 views

How to pass values to query externally

I have below similar logs. I have created dummy index and created mapping like below in dev-tools PUT new { "mappings": { "properties": { "@timestamp": { ...
abc's user avatar
  • 11
0 votes
0 answers
611 views

Best practices to troubleshoot stuck php application due to internal curl calls to unresponsive endpoints

Recently I found myself with a website (Prestashop e-commerce on a Centos PHP-FPM /Apache / MySql machine ) that was down and not responding to web requests. After investigation, issue was due to an ...
user3256843's user avatar

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