reformatted, added a custom FTP command question

This commit is contained in:
Daniel Stenberg 2000-03-20 11:27:29 +00:00
parent d75b87605d
commit 9efd212745
1 changed files with 25 additions and 6 deletions

31
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.
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It took a very long time before I could sort out why curl had problems 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+. 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 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. request and instead you had to force curl to use SSLv3 with -3/--sslv3.
2. Does curl support resume? Does curl support resume?
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Yes. Both ways on FTP, download ways on HTTP. Yes. Both ways on FTP, download ways on HTTP.
3. Is libcurl thread safe? Is libcurl thread safe?
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Yes, as far as curl's own code goes. It does use system calls that often 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(). 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, 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! 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?
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You can't simply use -F or -d at your choice. The web server that will 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 receive your post assumes one of the formats. If the form you're trying to
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use the -F type. In all the most common cases, you should use -d which then 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'. causes a posting with the type 'application/x-www-form-urlencoded'.
Does curl support custom FTP commands?
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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.