documentation

Author: splitice

README.md

@@ -2,3 +2,19 @@ bulkdnsblcheck
 ==============
 
 A parallel DNSBL checker using bash and GNU Parallel utilities
+
+## Usage
+```
+#./rbl.sh
+Usage:
+/opt/zabbix/rbl5.sh listcheck - Verify that all DNSBLS in the list are responding within a reasonable time (online)
+/opt/zabbix/rbl5.sh details [ip1] [...] - Fetch details for all RBL entries for one or many IP addresses
+/opt/zabbix/rbl5.sh count [ip1] [...] - Fetch a total count of RBL entries for many IP addresses
+
+IP address can be either a single address or network in CIDR form
+```
+
+## Prerequisites
+ - GNU Parallel
+ - prips
+ - bind-utils (dig)

rbl.sh

@@ -74,4 +74,6 @@ else
 		echo "$0 listcheck - Verify that all DNSBLS in the list are responding within a reasonable time (online)"
 		echo "$0 details [ip1] [...] - Fetch details for all RBL entries for one or many IP addresses"
 		echo "$0 count [ip1] [...] - Fetch a total count of RBL entries for many IP addresses"
+		echo ""
+		echo "IP address can be either a single address or network in CIDR form"
 fi