On Thu, 20 Mar 2008, Heiden, John wrote:

> curl 7.18.0 (powerpc-ibm-aix5.3.0.0) libcurl/7.18.0 GnuTLS/1.3.4
> zlib/1.2.3 libidn/1.5 libssh2/0.18

Note that GnuTLS 1.3.4 is pretty old and they've released numerous (bug fixed)
versions since that one. It's not impossible that this GnuTLS version is to
blame for the problem you experience.

-- 
  Commercial curl and libcurl Technical Support: http://haxx.se/curl.html