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reformatted, added a custom FTP command question

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Daniel Stenberg 2000-03-20 11:27:29 +00:00
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FAQ
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Date: 15 March 2000
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Frequently Asked Questions about Curl
FAQ
1. Problems connecting to SSL servers.
Problems connecting to SSL servers.
===================================
It took a very long time before I could sort out why curl had problems
to connect to certain SSL servers when using SSLeay or OpenSSL v0.9+.
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I have also seen examples where the remote server didn't like the SSLv2
request and instead you had to force curl to use SSLv3 with -3/--sslv3.
2. Does curl support resume?
Does curl support resume?
=========================
Yes. Both ways on FTP, download ways on HTTP.
3. Is libcurl thread safe?
Is libcurl thread safe?
=======================
Yes, as far as curl's own code goes. It does use system calls that often
aren't thread safe in most environments, such as gethostbyname().
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README file from those who have used libcurl in a threaded environment,
since I haven't and I get this question more and more frequently!
4. Why doesn't my posting using -F work?
Why doesn't my posting using -F work?
=====================================
You can't simply use -F or -d at your choice. The web server that will
receive your post assumes one of the formats. If the form you're trying to
@ -38,3 +46,14 @@ Date: 15 March 2000
use the -F type. In all the most common cases, you should use -d which then
causes a posting with the type 'application/x-www-form-urlencoded'.
Does curl support custom FTP commands?
======================================
Yes it does, you can tell curl to perform optional commands both before
and/or after a file transfer. Study the -Q/--quote option.
Since curl is used for file transfers, you don't use curl to just perform
ftp commands without transfering anything. Therefore you must always specify
a URL to transfer to/from even when doing custom FTP commands.