Curl Options

If this option is used several times, the last one will be used. In this case, the 2nd parameter will be an array which will contain multiple CURL options as shown below. Please refer to the PHP documentation for options and valid values: curl_setopt; Predefined Constants. Well, looking at the nodeJS API, it’s clear that HTTP. The last parameter supplied to the new and improved Insert From URL, Specify cURL options, is where the magic happens. --fail seems to not be working in cURL. The latest Tweets from Rip Curl (@ripcurl_europe). step2: Set option for CURLOPT_URL. FROM alpine RUN apk add --update curl Will produce a resulting image which is only about 10MB in size, but contains the curl command we need. It's widely used as a way to send data across websites, including things like API interaction and oAuth. Check out these awesome options that make it easy to curl your hair with a straightener. Click here to see the latest release. Previously most options were toggled on/off on repeated use of the same command line option. 3 dependency. com' --anyauth. Search WordPress. 99 at the best online prices at eBay! Free shipping for many products!. This page shows how to install curl on Debian Linux version 10/9/8. Although vaguely the documentation here mentions this however most people like me wouldn't even read that because a COOKIEFILE is the complete opposite of what we want. Only that way, curl will send newline characters unchanged and will retain all formatting. Fia’s Hair Typing System appears to expand on Andre Walker’s Hair Typing System and incorporate components of the LOIS Hair Typing System also. Using curl may create some problems. Known issues and solutions » Frequently asked support questions ». 41 Comments on Timing Details With cURL Jon’s recent Find the Time to First Byte Using Curl post reminded me about the additional timing details that cURL can provide. PycURL includes extesive API documentation as well as a number of test and example scripts in the tests and examples directories of the distribution. Attributes added ( May only be: added ) - Flag when, if present, indicates that a particular curl-option was added by the crawl conditions. With curl, we have option to limit the download speed & to do so the option used is ‘–limit-rate‘. Soft buttersuede boardshorts feature a stylish sublimation print with contrast waistband. In certain cases, you may want to specify a timeout in order to prevent your HTTP request from taking too long. The vagaries of trends, styles and fashions dictates whether curly hair is desirable or straight hair is thought of as more attractive. New in fm16. Then Install PHP5 CURL by typing sudo apt-get install php5-curl. ) -#, --progress-bar Make curl display progress as a simple progress bar instead of the standard, more informational, meter. Select cURL version for the specific Windows OS environment. Lovely backyard with covered patio and plenty of room to enjoy the outdoors. cURL - POST request examples; curl delete. When used in conjunction with the -o option, curl creates the necessary local directory hierarchy as needed. cURL is a very useful tool for a variety of purposes including debugging, development, etc. At some point in the future, this option may well be expanded to include suffixes for other types of content, including content types that are not parsed by Wget. Constructing Curl from Python , HTTP , PHP , Java Request Constructing curl , python request , PHP ,JAVA Open postman client and click on code [Below save button ] refer snapshot. cURL likes to use magic strings in options as special commands. Spray the entire tree after 90% of the leaves have dropped in the fall and again in the early spring, just before the buds open. To find out which request methods a server supports, one can use curl and issue an OPTIONS request:. The ability to create both the turning page effect (Page Curl) and the folding page effect (Page Fold) (collectively – bends). What it is : An instant eye-opener, this eyelash curler gives lashes natural-looking curl. CURLOPT_FOLLOWLOCATION TRUE to follow any "Location: " header that the server sends as part of the HTTP header (note this is recursive, PHP will follow as many "Location: " headers that it is sent, unless CURLOPT_MAXREDIRS is set). How to Curl Your Hair Without Heat. Previously most options were toggled on/off on repeated use of the same command line option. Local pickup only. There's something about loading websites via command line that makes me feel like some type of smug hacker, just like tweeting from command line does. Test CORS with curl. Also set the script time limit to something large so that the script does not end when downloading large files. I tried this forum's suggestions as well (A requested feature, protocol or option was not found built-in in this libcurl due to a build-time decision), but had no luck. What is CURL ? CURL is a tool for data transfer. cURL is a command-line tool to get or send data using URL syntax. CURLOPT_CONNECTTIMEOUT = 30; As you can see, any curl constant that needs to be added, needs to be prefixed with http. File issues or pull-requests if you find problems or have improvements. cURL can do a lot more than described above and man curl is a good place to start to find out more. All sorts of GET, HEAD, POST and PUT requests are rather invoked by using dedicated command line options. Question1: in httr or curl, is there a way to view the request object itself, independent of it being sent/made/executed? It would be nice to be able to do so in order to better understand what is happening under the hood. Defaults to FALSE. curl command is part of the cURL package and it's not just useful to send HTTP request but also allows you to transfer file using FTP and send mail using SMTP. CURL C H L R QB Flag Circle Curl Post F. 0 " (27 May '12, 05:23) littlelorly Those instructions are for our CentOS servers, there could be a number of differences with RedHat. In the Windows platform, if a CA certificate file is not specified, cURL will look for a CA certificate file name “curl-ca-bundle. LAST EDITED ON Dec-26-11 AT 10:30PM (MST)[p]Is there any one else on here that feel sheep are just not really even an option to hunt? I would consider. posted by zsazsa at 7:35 PM on May 19, 2005 Login using a normal browser and use the "Show Cookies" (or whatever) option to find out what cookies were set. 1 OPTIONS * HTTP/1. AG Re:Coil Curl Activating Balm, designed to create frizz-free, moisture-rich curls. Options -v (verbose option) lists ciphers with a complete description of protocol version (SSLv2 or SSLv3; the latter includes TLS) key exchange, authentication encryption and mac algorithms used along with any key size restrictions and whether the algorithm is classed as an "export" cipher. You can use kubectl to deploy applications, inspect and manage cluster resources, and view logs. cURL Commands on Linux - It is a command line tool which sends and receives files using URL syntax. Option 3 is designed for: Extra-firm curl on normal to resistant hair Normal to coarse textured tinted hair in good condition (20 volume or less) Resistant or gray hair Long, thick hair Experience the benefits of ISO Option 3: Can be self-timed or variable timed Added pre wrap No heat required Option 3. Hand-Crafted, Salon Quality Natural Hair Care Products Specifically Designed To Build Curl Definition And Manageability In Naturally Kinky, Coily & Tightly Curled Hair. Use of the RIP CURL trademarks by Rip Curl. ) -#, --progress-bar Make curl display progress as a simple progress bar instead of the standard, more informational, meter. with a choice of three or four options for each course. But could not find any curl option in it. cURL is a command line tool that allows you to transfer data to or from the internet and should not be confused with Wget. Wear the heat-resistant styling glove for added protection. This only limits the connection phase, once curl has connected this option is of no more use. This package is auto-updated. That parameter can be a long, a function pointer, an object pointer or a curl_off_t, depending on what the specific option expects. The third option we examined is the XMark rotary leg curl and extension machine. The type of curl that is placed completely off base and allows for the greatest mobility is the Full stem curl Along the front hairline to prevent splits or breaks in the finished style, the recommended base is to use. Here I give a quick summary of the most common options and a few typical examples. Option Set value to Notes; CURLOPT_HTTP200ALIASES: An array of HTTP 200 responses that will be treated as valid responses and not as errors. Leaveshair with incredible resilience and superb shine. First Install CURL by typing sudo apt-get install curl. While you're moving across lashes in a zigzag motion, curl in at the tips and count to ten, holding them in place. Right-click on any of the entries there, and you'll see the option to copy the request as curl: When you paste the contents of your clipboard onto the command line, you'll see something like this:. Discover our Ovation Cell Therapy® System today!. PHP extensions. curl [options] DESCRIPTION. Previously most options were toggled on/off on repeated use of the same command line option. Trying with my webserver cURL -R option work correctly. Option 5 Curl Door Handle. curl_version() shows the versions of libcurl, libssl and zlib and supported protocols. so) is available then PEM files may be loaded. Now with even more curling options, the Curl Secret Multi Curl has 2 interchangeable barrels. The curl package is pre-installed on most Linux distributions today. ÂIn the meantime, you have a couple of options. We will examine how to solve these curl HTTPS related problems. Rip Curl Men's Size Guide Rock that original surf spirit with the Rip Curl™ All Time Boardshorts. This option overrides previous uses of -v, --verbose or --trace-ascii. The user should be able to set how much long he is willing to wait for the connection. The second part is the most interesting because it allows us to define how cURL works in a highly accurate manner, by using the many options it has to offer. 99 at the best online prices at eBay! Free shipping for many products!. html HTTP/1. The --cacert option can be used to specify the location of the CA certificate store file. You can also specify three additional curl options using jvm code : javaOptions. The latest Tweets from Rip Curl (@ripcurl). Define curl. This curler maximizes curling power with advanced handle technology. Ovation Hair® offers Healthy Hair Care Products and Hair Protein Treatments for Thicker, Stronger, Healthier Hair. The "-c" option stores data received by the server (one of the NSX controllers, in this case) into a cookie file. Make sure you have authorized the application from which you are downloading data (see How To Pre-authorize an application). Curl applets can also be written so that they will run off-line when disconnected from the network (occasionally connected computing). The request contains a number of headers, and may contain a body. Default value: stable. The impressive landholding offers flexible scope for a variety of lifestyle options with untapped potential for families, investors or developers. -b, --cookie Supply cookie with request. First method used was CURL. This curl has a bit more curl than a J curl but is still a great option for the client with tricky straight lashes. There are a lot of builtin filters for extracting a particular field of an object, or converting a number to a string, or various other standard. To form into a coiled or spiral shape: curled the ends of the ribbon. The problem with curl and iwr. In this blog we will discuss how to set curl headers and other options in Magento2. Normally you don't need this option. When using curl its a good idea to convert pfx certificate files to pem format. cURL Ignore SSL Certificate Warnings | To ignore any ssl certificate warnings with curl, use the tack k option. node-curl Extra Options. When you want to set multiple CURL option, use the curl_setopt_array as shown below. The overnight hair curler allows you to create different hair curling results, such as loose curls, beach. Only that way, curl will send newline characters unchanged and will retain all formatting. Previously most options were toggled on/off on repeated use of the same command line option. curl can be used with a lot of different types of protocols. The -X signifies the method used for the request. step1: Initialize a curl session use curl_init(). These tips are mostly for wget but curl has many of the same options. There is a fully featured matrix of options that are available across a number of different tools, but for simplicity, cURL and wget tend to be the goto standards for *nix and Windows systems because of the small footprint and flexibility. In this tutorial, we will discuss how to use curl command and download files using curl options on Linux. Select the PHP extensions that you wish to use in the Exhaustive Options List stage of WHM's EasyApache 3 interface. (HTTP) Tells curl to be fine with HTTP version 0. js, R, PHP, Strest, Go, Dart, JSON, Elixir, and Rust code GitHub. The above cURL examples are amongst some of the most used and most popular. 5 stars for an easy way to set Curl options in WordPress. Lloyd Cushenberry. However, we won’t actually use the Swagger UI. You can find more cURL options on the related PHP manual page. cURL can be used to download content from web pages. Default value: stable. Economic Productivity and Profitability Analysis for Whiteflies and Tomato Yellow Leaf Curl Virus (TYLCV) Management Options Sep 21, 2018 By Esendugue Greg Fonsah, Chen, Yu, Stan Diffie, Rajagopalbabu Srinivansan and David Riley. cURL require a special flag to follow server redirects. Now let’s dive in with both feet and learn how to use curl to transfer data and more in Linux! We have put together the following list of 15 curl commands for you. The set command enables options within a script. rvm/ If the install script is run as a standard, non-root user, RVM will install into the current users's home directory. Common options are GET, POST, DELETE, PUT. Sur une page, ce momento vous propose plus de 20 fonctions très souvent utilisée dans les scripts CURL. cURL can do a lot more than described above and man curl is a good place to start to find out more. As mentioned already, of these four only the second is complicated - the rest stay as you see them. This option creates the dirs mentioned with the -o option, nothing else. PHP CURL POST & GET Examples - How to send HTTP POST and GET requests with the help of PHP CURL library. 3 dependency. I love playing around with cURL. Learn to Curl - Adult $25 $25. 0 (HTTP) Forces curl to issue its requests using HTTP 1. AG Re:Coil Curl Activating Balm, designed to create frizz-free, moisture-rich curls. This option allows curl to proceed and operate even for server connections otherwise considered insecure. While Guzzle normalizes many of these options across different handlers, there are times when you need to set custom cURL options. cURL allows transfer of data across a wide variety of protocols, and is a very powerful system. cURL is a tool for working with URLs. Option 5 Curl Door Handle. 0 OpenSSL/0. Sending Data with PHP to a jSON Script with curl To get the data we use the PHP curl functions. This library provides an object-oriented wrapper of the PHP cURL extension. If cURL feels too feature-rich and arcane to you, there is a simpler alternative: GNU wget. It comes in seated and lying varieties, but the seated leg curl machine is more common in commercial gyms. The most commonly replaced headers have "shortcuts" in the options CURL. Hossegor, FRANCE. For example, you could use curl to access web content while being behind a proxy by using the -x option. For a complete list of curl options, see the curl documentation online using the link in the Related references section. Why use cURL? The most common comparative tool to cURL is wget. Each lace closure allows freestyle parting, which gives you more options for styling. 8r then cross-compiled curl-7. As the fungus Taphrina deformans lies dormant on stems, branches and then buds over winter, any effective treatment regimen must begin when an affected tree loses its leaves in late autumn or early winter. Ping your servers and webpages from anywhere and receive a neatly formatted response. 1 Examples Identifying allowed request methods. ) -#, --progress-bar Make curl display progress as a simple progress bar instead of the standard, more informational, meter. It’s possible Curl goes undrafted this spring. curl provides a wide range of support to download files and folders with a command-line interface. Select the PHP extensions that you wish to use in the Exhaustive Options List stage of WHM's EasyApache 3 interface. The problem with curl and iwr. curl_verify_ssl_host boolean. (HTTP) Tells curl to use HTTP version 1. One common function used by developers is to make a POST request with curl, which is what we’re going to cover here. The real info, though, is located in the libcurl documentation , most important being curl_easy_setopt. Surf short features variegated stripes for a classic look. These functions manage a named list of options where the names are elements of a fixed. You will set up in a glute bridge and then, keeping your hips up,. will prompt to install… type y or yes! Then Restart Apache by typing sudo service apache2 restart Done!. So you can easily average speed test results, compare maximum speeds, research logged results and find the fastest ISPs for Curl Curl. The request contains a number of headers, and may contain a body. Please refer to the PHP documentation for options and valid values: curl_setopt; Predefined Constants. Defaults to FALSE. Vous consultez la page Fonction CURL Et Option : Liste Et Memento CURL Fonctions CURLOPT Et CURLINFO. The third option for clients with straight lashes is an L+ Curl. This week we're going to cover one command in depth, since it's a pretty important one. How to Curl Your Hair Without Heat. Check it out on EventBrite and register today to receive a $100 early bird discount. curl provides a wide range of support to download files and folders with a command-line interface. In our example we have added a authentication with curl, if not needed, just leave the lines, commented with // authentication. However, of the full list, about half or so are used regularly and therefore deserve printing here. Curl also supports HTTPS protocol which is secure version of the HTTP. We recommend you use OAuth over basic authentication for most cases. If you are familiar with Curl, the command line tool for transferring data with URL syntax, you might wonder how can that be done with NodeJS. There are a large number of options available for curl_setopt() - far too many to cover here. The output shown below is less than a third of what you'll see, but should give you an idea about how many options are. It ships with a dizzying array of options and features, most of which you will not need on a daily basis. curl and wget command-line URL downloaders Most immediate difference – curl dumps contents of URL to stdout, while wget downloads to a file – both support both modes, however wget supports standard HTTP, HTTPS, and FTP protocols curl supports those, plus tons more – IMAP, POP3, SMTP – LDAP – FTPS/SFTP – TELNET/TFTP – even Gopher!. Ping your servers and webpages from anywhere and receive a neatly formatted response. Options can be set individually with curl_setopt(), or we can pass an array of options to curl_setopt_array(). One of the most important and wide-reaching updates in FileMaker 16 is the ability to set cURL options in the Insert from URL script step. The solution is to replace cURL special characters and option codes with their Unicode equivalents. Install Script Options¶ In addition to the default install behavior, the Chef install script supports the following options:-c (-channel on Microsoft Windows) The release channel from which a package is pulled. Not everyone knows how to "read" that pattern and the results could be disastrous. There will be nothing more satisfying than a jet bath in the master bathroom after a long day of work or play. After looking at the PHP source, and the cURL source, It looks like my original interpretation of the docs is correct, either should be able to be used, and since these are just plain bitmasks, they're designed to be interoperable. When you go shorter, your curls will double in width and that is something you should consider when choosing shorter hair. curl コマンド、ちょくちょく使うけどオプション忘れてまう. curl can be used with a lot of different types of protocols. To find out which request methods a server supports, one can use curl and issue an OPTIONS request:. txt --location-trusted "file_url" -o file_name. Curl offers a lot of useful tricks such as proxy support, user authentication, FTP upload, HTTP post, SSL connections, cookies, file transfer resume, Metalink, and more. patch zabbix (including DB schema) , which seems complicated and i dont know how to do it. For a complete list of curl options, see the curl documentation online using the link in the Related references section. Use the specified HTTP 1. cURL can be used to download content from web pages. Windows system directory. Example $ curl --limit-rate 1024B -O download_URL Example:3 Download file modified before or after a given date. Hello All, I am using whm 6. 1 introduced byte-ranges. But when I use --fail or -f, it s | The UNIX and Linux Forums. com' --anyauth. Re: Convert curl request to SoapUI Request That was a typo, it is wadl not wsdl if you are using a REST API. Attach the other end of the band to your left ankle. The issue is that no header information is captured. To ask for both verbose mode and that curl follows HTTP redirects:. However, we won’t actually use the Swagger UI. If curl is built against the NSS SSL library then this option can tell curl the nickname of the certificate to use in the NSS database defined by the environment variable SSL_DIR (or by default /etc/pki/nssdb). If you're familiar with cURL on the command line you'll quickly grasp how this works but if you're new to cURL there's a bit of a learning curve. curl_options() lists all options available in the current version of libcurl. The "-c" option stores data received by the server (one of the NSX controllers, in this case) into a cookie file. See curl::curl_options() for all the options you can use. The output shown below is less than a third of what you'll see, but should give you an idea about how many options are. Fully adjustable 7 gauge steel cam will easily accommodate any user - GCEC340 - Body-Solid CAM Series Leg Extension & Curl. Curl offers a lot of useful tricks such as proxy support, user authentication, FTP upload, HTTP post, SSL connections, cookies, file transfer resume, Metalink, and more. curl-to-ruby Instantly convert curl commands to Ruby's net/http. All options are set with the option followed by a parameter. ’ is closed to new replies. Incorporate these into your arm workouts; don't be surprised if you feel a new type of soreness the next day. SetOptionReferer. 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. These tips are mostly for wget but curl has many of the same options. This includes both code snippets embedded in the card text and code that is included as a file attachment. The biceps curl is a fundamental exercise targeting the biceps muscles, the muscles on the front of your upper arm. - I copied into my project folder the file "libcurl. How to Curl Your Hair Without Heat. All the examples in the Zendesk REST API docs use cURL, a lightweight, command-line tool for making HTTP requests without a web browser. Specially formulated neutralizer locks in smooth, defined, and humididty- resistant curls. Here is an example: $ curl -k. If curl is built against the NSS SSL library then this option can tell curl the nickname of the certificate to use in the NSS database defined by the environment variable SSL_DIR (or by default /etc/pki/nssdb). curl offers a busload of useful tricks like proxy support, user. The first parameter option is a number representing the option which can be on of the following listed below. We've rounded up some lightening-fast tutorials — because hey, who has tons of free time to spend curling their hair? And if you want more ways to curl your hair without heat, just head on over. curlはMIT Licenseに基づき配布されている。curlはフリーソフトウェアである。 curlのコマンドラインからの利用の例. so) is available then PEM files may be loaded. FileMaker cURL Options. To twist into ringlets or coils. The issue is that no header information is captured. HTTPS is the HTTP protocol over TLS/SSL. pennyw1s3 Dec 27th, 2019 127 Never Not a member of Pastebin yet? Sign Up, it unlocks many cool features! raw download clone embed report print text 13. , Webster NY 14580 phone: 585-265-9734 ([email protected]). However, it is a little cumbersome to work directly with cURL, since even a simple cURL request looks like this: Postman has a… Continue reading "cURL and Postman work wonderfully together". -X GET can also be. So for example if you want to make a proper HEAD request, using -X HEAD will not suffice. Beginners may need to start with a single leg bridge and curl while more advanced exercisers may do the two-leg bridge and curl. Replace with one of the Curl constants. Hair of medium length opens up a lot of opportunities for their owners! You can walk with her hair loose, curl them into curlers, or make very stylish haircuts for medium hair at home. Une liste de fonctions CURL, une librairie de PHP. In our example we have added a authentication with curl, if not needed, just leave the lines, commented with // authentication. Protect the Docker daemon socket Estimated reading time: 7 minutes By default, Docker runs through a non-networked UNIX socket. Neither of those options is great. It also takes the pressure off your wrists and forearms. I am running curl on Windows, and can not quite pass a JSON string to the web service successfully FIrst a successful attempt, notice I do not have any spaces between the bracket and the first. By 357manch, May 16, 2017 in FileMaker Query. Get HTTP Header Info from Web Sites Using curl Jul 7, 2011 - 7 Comments The easiest way to get HTTP header information from any website is by using the command line tool curl. When using cURL to download multiple files, --fail is supposed to keep cURL from making files that don't exist, on 404 errors. Opening the Network Monitor. You can explore their option by using man wget and man curl. exe -i -k https://10. The abridged list of Curl options. Useful curl command line options. The third option we examined is the XMark rotary leg curl and extension machine. GDAL_TIFF_OVR_BLOCKSIZE GRIB driver options. For example, you could use curl to access web content while being behind a proxy by using the -x option. By using the appropriate options to curl_easy_setopt, you can change libcurl's behavior. ×Sorry to interrupt. ) -#, --progress-bar Make curl display progress as a simple progress bar instead of the standard, more informational, meter. 00 Learn to Curl - Child $10 $10. When you connect to them, they are your peer - so you are telling curl to check or not check them. The command is designed to work without user interaction. OPTIONS --http0. Most options that do not accept arguments are boolean options, so named because their state can be captured with a yes-or-no ("boolean") variable. By using the appropriate options to curl_easy_setopt, you can change libcurl's behavior. However, we won't actually use the Swagger UI (which is something we'll explore later). In this tutorial we are providing 5 curl frequently used commands to download files from remote servers. Opening the Network Monitor. I am assuming the reason this plugin was initially created was for this same PayPal issue as the plugin's examples where for PayPal sandbox. This option isn’t available on the index API because the index API doesn’t fetch the old source and isn’t able to compare it against the new source. Pineappling works on any curl type, from 3a to 4c, and is an easy way to preserve your curls while you sleep so they don’t get pulled out or fuzzed up overnight. There’s two alternatives: Don’t use CURLOPT_INFILE, but send the request body as a string instead, with CURLOPT_POSTFIELDS. This function lets you set cURL options. Curl instance. For a complete list of curl options, see the curl documentation online using the link in the Related references section. Must be 18 years or older to participate. Curl is a command line tool and library which implements protocols like HTTP, HTTPS, FTP etc. HSI Professional Ceramic Tourmaline Ionic Flat Iron "Love this iron! I bought it to curl my hair and. 4 and Curl CDE 8. This handy little CmdLet allows us to now use the PowerShell scripting language to access HTTP resources using the native HTTP methods (GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS, OPTIONS, MERGE, PATCH). Specifying the display state for an object. The curl command allows you to download as well as upload data through the command line in Linux. Buy AG Re:Coil Curl Activator online from our Pandora Beauty. 0 or later when connecting to a remote TLS server. I tried to find a solution, but it seems like there is only 2 options right now available for me: 1. curl --user [email protected] SetOptionCookie, CURL. Use either Option 1 or Option 2 below. pfx -out cert_file. cURL Command: curl -T ss. Option one - remove AV Bros. curl [options] DESCRIPTION. Featuring live events, invaluable videos, easy-to-follow tutorials, and up-to-the-minute trend info, Joico delivers the ultimate global classroom. The exercise is done using a resistance band or a cable machine. CURL_SSLVERSION_TLSv1 is a curl value for the corresponding option in parameter#2 You can also use a numer instead of “CURL_SSLVERSION_TLSv1”. And your options for a new look. Windows system directory. To simply download a file using curl use following syntax. Using this, a client can request to get only one or more subparts of a specified document. Lloyd Cushenberry. 3 common (and 1 uncommon) causes of the 'Unknown SSL protocol error in connection to' error in cURL and other apps that use openssl. , 2011; Pan et al. Facebook Twitter. Below are the protocols currently supported by curl. If you notice a shingle starting to curl, you can forestall the inevitable curling by gluing down the curled section.