Loading docs/FAQ +20 −2 Original line number Original line Diff line number Diff line Updated: Jan 14, 2009 (http://curl.haxx.se/docs/faq.html) Updated: Feb 23, 2009 (http://curl.haxx.se/docs/faq.html) _ _ ____ _ _ _ ____ _ ___| | | | _ \| | ___| | | | _ \| | / __| | | | |_) | | / __| | | | |_) | | Loading Loading @@ -71,6 +71,7 @@ FAQ 4.14 Redirects work in browser but not with curl! 4.14 Redirects work in browser but not with curl! 4.15 FTPS doesn't work 4.15 FTPS doesn't work 4.16 My HTTP POST or PUT requests are slow! 4.16 My HTTP POST or PUT requests are slow! 4.17 Non-functional connect timeouts on Windows 5. libcurl Issues 5. libcurl Issues 5.1 Is libcurl thread-safe? 5.1 Is libcurl thread-safe? Loading Loading @@ -885,6 +886,23 @@ FAQ You can disable libcurl's use of the Expect: header the same way you disable You can disable libcurl's use of the Expect: header the same way you disable any header, using -H / CURLOPT_HTTPHEADER, or by forcing it to use HTTP 1.0. any header, using -H / CURLOPT_HTTPHEADER, or by forcing it to use HTTP 1.0. 4.17 Non-functional connect timeouts In most Windows setups having a timeout longer than 21 seconds make no difference, as it will only send 3 TCP SYN packets and no more. The second packet sent three seconds after the first and the third six seconds after the second. No more than three packets are sent, no matter how long the timeout is set. See option TcpMaxConnectRetransmissions on this page: http://support.microsoft.com/?scid=kb%3Ben-us%3B175523&x=6&y=7 Also, even on non-Windows systems there may run a firewall or anti-virus software or similar that accepts the connection but does not actually do anything else. This will make (lib)curl to consider the connection connected and thus the connect timeout won't trigger. 5. libcurl Issues 5. libcurl Issues 5.1 Is libcurl thread-safe? 5.1 Is libcurl thread-safe? Loading @@ -898,7 +916,7 @@ FAQ If you use a OpenSSL-powered libcurl in a multi-threaded environment, you If you use a OpenSSL-powered libcurl in a multi-threaded environment, you need to provide one or two locking functions: need to provide one or two locking functions: http://www.openssl.org/docs/crypto/threads.html#DESCRIPTION http://www.openssl.org/docs/crypto/threads.html If you use a GnuTLS-powered libcurl in a multi-threaded environment, you If you use a GnuTLS-powered libcurl in a multi-threaded environment, you need to provide locking function(s) for libgcrypt (which is used by GnuTLS need to provide locking function(s) for libgcrypt (which is used by GnuTLS Loading Loading
docs/FAQ +20 −2 Original line number Original line Diff line number Diff line Updated: Jan 14, 2009 (http://curl.haxx.se/docs/faq.html) Updated: Feb 23, 2009 (http://curl.haxx.se/docs/faq.html) _ _ ____ _ _ _ ____ _ ___| | | | _ \| | ___| | | | _ \| | / __| | | | |_) | | / __| | | | |_) | | Loading Loading @@ -71,6 +71,7 @@ FAQ 4.14 Redirects work in browser but not with curl! 4.14 Redirects work in browser but not with curl! 4.15 FTPS doesn't work 4.15 FTPS doesn't work 4.16 My HTTP POST or PUT requests are slow! 4.16 My HTTP POST or PUT requests are slow! 4.17 Non-functional connect timeouts on Windows 5. libcurl Issues 5. libcurl Issues 5.1 Is libcurl thread-safe? 5.1 Is libcurl thread-safe? Loading Loading @@ -885,6 +886,23 @@ FAQ You can disable libcurl's use of the Expect: header the same way you disable You can disable libcurl's use of the Expect: header the same way you disable any header, using -H / CURLOPT_HTTPHEADER, or by forcing it to use HTTP 1.0. any header, using -H / CURLOPT_HTTPHEADER, or by forcing it to use HTTP 1.0. 4.17 Non-functional connect timeouts In most Windows setups having a timeout longer than 21 seconds make no difference, as it will only send 3 TCP SYN packets and no more. The second packet sent three seconds after the first and the third six seconds after the second. No more than three packets are sent, no matter how long the timeout is set. See option TcpMaxConnectRetransmissions on this page: http://support.microsoft.com/?scid=kb%3Ben-us%3B175523&x=6&y=7 Also, even on non-Windows systems there may run a firewall or anti-virus software or similar that accepts the connection but does not actually do anything else. This will make (lib)curl to consider the connection connected and thus the connect timeout won't trigger. 5. libcurl Issues 5. libcurl Issues 5.1 Is libcurl thread-safe? 5.1 Is libcurl thread-safe? Loading @@ -898,7 +916,7 @@ FAQ If you use a OpenSSL-powered libcurl in a multi-threaded environment, you If you use a OpenSSL-powered libcurl in a multi-threaded environment, you need to provide one or two locking functions: need to provide one or two locking functions: http://www.openssl.org/docs/crypto/threads.html#DESCRIPTION http://www.openssl.org/docs/crypto/threads.html If you use a GnuTLS-powered libcurl in a multi-threaded environment, you If you use a GnuTLS-powered libcurl in a multi-threaded environment, you need to provide locking function(s) for libgcrypt (which is used by GnuTLS need to provide locking function(s) for libgcrypt (which is used by GnuTLS Loading
