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Questions tagged [curl]

cURL is an HTTP client library and command line tool.

646 questions
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How to use Chrome's CRL sets (or some master CRL list) as a CRL file?

I am looking for a master CRL list. The closest thing I have found is the Chromium project's CRLSets. I used crlset-tools to get the crlset (crlset fetch > crl-set) and then dumped the serial numbers (crlset dump crl-set) so I see something like…
test
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3 answers

libcurl.so.4 no version information available

curl: /usr/local/lib/libcurl.so.4: no version information available (required by curl) This is the error I am getting. This error has not stopped any scripts or apps from running or preforming their tasks, however I do get an email from the system…
Dasoren
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5 answers

curl: (35) SSL connect error

I am trying to make a cURL HTTPS request to the Twitter API and I am getting this error: [root@webscoming httpdocs]# curl -v https://api.twitter.com About to connect() to api.twitter.com port 443 (#0) Trying 199.16.156.199... connected Connected to…
Alexandru Trandafir Catalin
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1 answer

Using Internet Explorer to invoke PHP/CURL for long running data API causes Apache 2 server to freeze and require restart

I'm running a PHP program that works fine as long as it's not invoked by a Microsoft Internet Explorer browser, after which it spawns the below processes, locks up Apache 2 and requires a restart of the web server (on Ubuntu…
ProfVersaggi
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4 answers

curl succeeds on an https request, wget does not

When I run curl from the command line curl "https://example.com" It succeeds immediately, returning the result of the request. When I run the same wget command wget https://example.com It eventually times out with "Unable to establish SSL…
Resorath
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7 answers

Is cURL standard part of all Unix-like operating systems?

I'm writing a shell script that needs to download some data from the Internet and I was just thinking if I can rely on cURL that it's pre-installed on all Unix distributions. I know that wget is not on OS X by default but cURL is. I also remember me…
martin
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2 answers

How to log outgoing http requests from PHP + cURL?

I have a PHP script set up that makes cURL requests whenever an action is performed on a site. The problem is that the information is being POSTed twice whenever the action is run. I need to work out if this is a problem on my end (cURL is being…
Sam
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1 answer

What does "Server ****** is not blacklisted" means in curl verbose output?

Why should the server be blacklisted ? By curl or another program ? How server can get blacklisted ? Is it server or program dependant ? Is this the IP address that get blacklisted, or the name of the server in the http answer ? PS : I don't know…
julienfr112
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1 answer

Root cause of "curl: (56) SSL read: errno -5961" errors

I was evaluating some SSL failures, and noticed that when I use curl to one of the failing sites, I got curl: (56) SSL read: errno -5961; however, my google queries for that error didn't show the reason for the openssl failure. Question: What does…
Mike Pennington
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5 answers

cURL or SSL problems, how to solve?

I keep getting this error: No cURL data returned for https://XXX.XXXX.XXX:XXXX [0] SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed I am not sure, or…
deadman
8
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4 answers

How to disable keepalive in curl

I'm trying to figure out how to consistently turn off keepalive across various client machines which are issuing HTTP requests via curl. This is my target server: - Ubuntu 18.04.2 LTS - 4.15.0-47-generic - HA-Proxy version 1.8.19-1ppa1~bionic…
cherouvim
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1 answer

Adding a self-signed cert to the trusted certs within cURL in Windows?

I have created a self-signed cert from the instructions on this page, have installed it and it appears to all be working correctly, but now I need cURL to trust it. Since the later versions of cURL don't include a trusted list within a .pem file, I…
Brett
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8
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3 answers

CentOS PHP cURL NSS error 5938

Having a strange issue with cURL and PHP on a couple of CentOS boxes. Locally, I'm running CentOS 6.3. Remote is CentOS 5.9 Locally, the box receives a request, scp's a file to the remote server, then performs a cURL request via PHP to the remote…
stormdrain
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4 answers

How to change libcurl SSL backend from gnutls to openssl on Ubuntu server

I am getting gnutls specific errors in my Tornado webserver while processing Google OpenID SSL responses. One of the suggestions I got from Tornado mailing list is to try OpenSSL backend instead of gnutls. But it doesn't seem to be straightforward…
Jayesh
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1 answer

Using curl to make a HEAD request with a hard timeout

I'd like to use curl to send a HTTP HEAD request to a URL to verify that it is working correctly (server is up and sends a successful response). At the end, I need the final HTTP response code returned and URL (after following any redirects).…
jrdioko
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