1 files changed, 23 insertions, 5 deletions

diff --git a/REQUIREMENTS b/REQUIREMENTS
index 303fd62b..f3b1c01d 100644
--- a/REQUIREMENTS
+++ b/REQUIREMENTS
@@ -11,6 +11,22 @@ 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/-S and -C requires OpenSSL for certificate checks, otherwise
+          libcurl must be quite new to support CURLINFO_CERTINFO 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
+        - uriparser 0.7.5 or later
+          https://uriparser.github.io/
+      
 check_fping:
         - Requires the fping utility distributed with SATAN.  Either
           download and install SATAN or grab the fping program from
@@ -50,16 +66,18 @@ check_dbi:
           http://libdbi.sourceforge.net/
 
 check_radius:
-        - Requires the FreeRADIUS Client library available from:
+        - Requires the radcli library available from:
+          http://radcli.github.io/radcli/
+        - As an alternative, the FreeRADIUS Client library may be used:
           http://freeradius.org/freeradius-client/
-        - As an alternative, the radiusclient-ng library may be used:
+        - As another alternative, the radiusclient-ng library may be used:
           http://sourceforge.net/projects/radiusclient-ng.berlios/
         - This plugin also works with the original radiusclient library from
           ftp://ftp.cityline.net/pub/radiusclient/
                 RPM (rpmfind): radiusclient 0.3.2, radiusclient-devel-0.3.2
-          However, you probably want to use the FreeRADIUS Client library, as
-          both radiusclient and radiusclient-ng are unmaintained and have known
-          issues.
+          However, you probably want to use either radcli or the FreeRADIUS
+          Client library, as both radiusclient and radiusclient-ng are
+          unmaintained and have known issues.
 
 check_snmp:
         - Requires the NET-SNMP package available from