[root@portal nginx]# curl -V
curl 7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.16.2.3 Basic ECC zlib/1.2.3 libidn/1.18 libssh2/1.4.2
Protocols: tftp ftp telnet dict ldap ldaps http file https ftps scp sftp
Features: GSS-Negotiate IDN IPv6 Largefile NTLM SSL libz

[root@portal nginx]# ldd /usr/sbin/nginx
	linux-vdso.so.1 =>  (0x00007fff8e4b5000)
	libdl.so.2 => /lib64/libdl.so.2 (0x00007f271a696000)
	librt.so.1 => /lib64/librt.so.1 (0x00007f271a48e000)
	libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f271a270000)
	libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f271a039000)
	libpcre.so.0 => /lib64/libpcre.so.0 (0x00007f2719e0d000)
	libssl.so.10 => /usr/lib64/libssl.so.10 (0x00007f2719ba0000)
	libcrypto.so.10 => /usr/lib64/libcrypto.so.10 (0x00007f27197bb000)
	libz.so.1 => /lib64/libz.so.1 (0x00007f27195a5000)
	libc.so.6 => /lib64/libc.so.6 (0x00007f2719210000)
	/lib64/ld-linux-x86-64.so.2 (0x0000003f8fa00000)
	libfreebl3.so => /lib64/libfreebl3.so (0x00007f2718f97000)
	libgssapi_krb5.so.2 => /lib64/libgssapi_krb5.so.2 (0x00007f2718d53000)
	libkrb5.so.3 => /lib64/libkrb5.so.3 (0x00007f2718a6b000)
	libcom_err.so.2 => /lib64/libcom_err.so.2 (0x00007f2718867000)
	libk5crypto.so.3 => /lib64/libk5crypto.so.3 (0x00007f271863b000)
	libkrb5support.so.0 => /lib64/libkrb5support.so.0 (0x00007f271842f000)
	libkeyutils.so.1 => /lib64/libkeyutils.so.1 (0x00007f271822c000)
	libresolv.so.2 => /lib64/libresolv.so.2 (0x00007f2718012000)
	libselinux.so.1 => /lib64/libselinux.so.1 (0x00007f2717df2000)