From 51f1dcee55cf2d48bdea05435cd042c888028400 Mon Sep 17 00:00:00 2001
From: Cyril Jaquier <cyril.jaquier@fail2ban.org>
Date: Sat, 28 May 2005 19:46:18 +0000
Subject: [PATCH] - Fixed textToDNS method which generated wrong matches for
 "rhost=12-xyz...". Thanks to Tom Pike

git-svn-id: https://fail2ban.svn.sourceforge.net/svnroot/fail2ban/trunk@107 a942ae1a-1317-0410-a47c-b1dcaea8d605
---
 utils/dns.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/utils/dns.py b/utils/dns.py
index 9c8e47a7..ce629d69 100644
--- a/utils/dns.py
+++ b/utils/dns.py
@@ -37,8 +37,9 @@ def dnsToIp(dns):
 
 def textToDns(text):
 	""" Search for possible DNS in an arbitrary text.
+		Thanks to Tom Pike.
 	"""
-	match = re.findall("\S*\.\w*\.\w*", text)
+	match = re.findall("(?:(?:\w|-)+\.){2,}\w+", text)
 	if match:
 		return match
 	else: