cURL 7.20.1 发布，文件传输程序

Curl支持协定众多的文件传输程序,可下载FTP，HTT，HTTP，GOPHE，TELNET，DICT，FILE,LDAP的文件,还可以上传HTTP POST，HTTP PUT，FTP uploading，HTTP form based upload，proxies，cookies

curl is a command line tool for transferring data with URL syntax, supporting FTP, FTPS, HTTP, HTTPS, SCP, SFTP, TFTP, TELNET, DICT, LDAP, LDAPS, FILE, IMAP, SMTP, POP3 and RTSP. curl supports SSL certificates, HTTP POST, HTTP PUT, FTP uploading, HTTP form based upload, proxies, cookies, user+password authentication (Basic, Digest, NTLM, Negotiate, kerberos...), file transfer resume, proxy tunneling and a busload of other useful tricks.

Changes:

* The 'ares' subtree has been removed from the source repository

* smoother rate limiting

* allow user+password in the URL for all protocols

* POP3: Get message listing if no mailbox in URL

Bugfixes:

* VMS builder bad behavior when used in a batch job

* multiple recepients with SMTP

* fixed the CURL_FORMAT_* defines when building with cmake

* missing quote in libcurl.m4

* SMTP: now waits for 250 after the DATA transfer

* SMTP: use angle brackets in RCPT TO

* curl --trace-time not using local time

* off-by-one in the chunked encoding trailer parser

* superfluous blocking for OpenSSL-based SSL connects and multi interface

* TFTP upload

* FTP timeouts after file transferred completely

* skip poll() on Interix

* CURLOPT_CERTINFO memory leak

* sub-second timeouts improvements

* configure fixes for GSSAPI

* threaded resolver double free when closing curl handle

* configure fixes for building with the clang compiler

* easy interix rate limiting logic

* curl_multi_remove_handle() caused use after free

* TFTP improved error codes

* TFTP fixed TSIZE handling for uploads

* SSL possible double free when reusing curl handle

* alarm()-based DNS timeout bug

* re-used FTP connection multi interface crash

* chunked-encoding with Content-Length: header problem

* multi interface HTTP POST over a proxy using PROXYTUNNEL

* RTSP GET_PARAMETER

* timeout after last data chunk was handled

* SFTP download hang

* FTP quote commands prefixed with '*' now can fail without aborting

cURL 7.20.1下载地址：http://down.ddvip.com/view/119073471613871.html