--- nagios-plugins-1.4.13/plugins/check_ping.c.org	2009-09-17 08:56:15.043692330 +0200
+++ nagios-plugins-1.4.13/plugins/check_ping.c	2009-09-17 09:04:41.830352692 +0200
@@ -519,12 +519,13 @@
 error_scan (char buf[MAX_INPUT_BUFFER], const char *addr)
 {
 	if (strstr (buf, "Network is unreachable") ||
-		strstr (buf, "Destination Net Unreachable")
+		strstr (buf, "Destination Net Unreachable") ||
+		strstr (buf, "No route")
 		)
 		die (STATE_CRITICAL, _("CRITICAL - Network Unreachable (%s)"), addr);
-	else if (strstr (buf, "Destination Host Unreachable"))
+	else if (strstr (buf, "Destination Host Unreachable") || strstr(buf, "Address unreachable"))
 		die (STATE_CRITICAL, _("CRITICAL - Host Unreachable (%s)"), addr);
-	else if (strstr (buf, "Destination Port Unreachable"))
+	else if (strstr (buf, "Destination Port Unreachable") || strstr(buf, "Port unreachable"))
 		die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Port Unreachable (%s)"), addr);
 	else if (strstr (buf, "Destination Protocol Unreachable"))
 		die (STATE_CRITICAL, _("CRITICAL - Bogus ICMP: Protocol Unreachable (%s)"), addr);
@@ -532,11 +533,11 @@
 		die (STATE_CRITICAL, _("CRITICAL - Network Prohibited (%s)"), addr);
 	else if (strstr (buf, "Destination Host Prohibited"))
 		die (STATE_CRITICAL, _("CRITICAL - Host Prohibited (%s)"), addr);
-	else if (strstr (buf, "Packet filtered"))
+	else if (strstr (buf, "Packet filtered") || strstr(buf, "Administratively prohibited"))
 		die (STATE_CRITICAL, _("CRITICAL - Packet Filtered (%s)"), addr);
 	else if (strstr (buf, "unknown host" ))
 		die (STATE_CRITICAL, _("CRITICAL - Host not found (%s)"), addr);
-	else if (strstr (buf, "Time to live exceeded"))
+	else if (strstr (buf, "Time to live exceeded") || strstr(buf, "Time exceeded"))
 		die (STATE_CRITICAL, _("CRITICAL - Time to live exceeded (%s)"), addr);
 
 	if (strstr (buf, "(DUP!)") || strstr (buf, "DUPLICATES FOUND")) {