1 files changed, 14 insertions, 0 deletions

diff --git a/REQUIREMENTS b/REQUIREMENTS
index ac7b5935..39e04cdc 100644
--- a/REQUIREMENTS
+++ b/REQUIREMENTS
@@ -11,6 +11,20 @@ check_ldaps, check_http --ssl, check_tcp --ssl, check_smtp --starttls
         - Requires openssl or gnutls libraries for SSL connections
           http://www.openssl.org, http://www.gnu.org/software/gnutls
 
+check_curl:
+    - Requires libcurl 7.15.2 or later
+      http://www.haxx.se
+    - --ssl requires OpenSSL for certificate checks, otherwise
+      libcurl must be quite new to support CURLINFO_CRETINFO with
+      GnuTLS and NSS libraries:
+      - 7.42.0 or newer for GnuTLS
+      - 7.34.0 or newer for NSS
+      GnuTLS is known to create problems on some distributions with
+      self-signed certificate chains
+          http://www.openssl.org, http://www.gnu.org/software/gnutls,
+          http://www.mozilla.org/projects/security/pki/nss/,
+          other SSL implementations are currently not supported
+      
 check_fping:
         - Requires the fping utility distributed with SATAN.  Either
           download and install SATAN or grab the fping program from