From 621d8cae17f16cfea43a394149217963034d344b Mon Sep 17 00:00:00 2001
From: sebres <info@sebres.de>
Date: Mon, 20 Sep 2021 02:20:22 +0200
Subject: [PATCH] restore backwards compatibility for date None

---
 fail2ban/server/filter.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fail2ban/server/filter.py b/fail2ban/server/filter.py
index 08bc2e59..f49fe198 100644
--- a/fail2ban/server/filter.py
+++ b/fail2ban/server/filter.py
@@ -618,6 +618,7 @@ class Filter(JailThread):
 		noDate = False
 		if date:
 			tupleLine = line
+			line = "".join(line)
 			self.__lastTimeText = tupleLine[1]
 			self.__lastDate = date
 		else:
@@ -654,6 +655,8 @@ class Filter(JailThread):
 				if self.__lastDate and self.__lastDate > MyTime.time() - 60:
 					tupleLine = ("", self.__lastTimeText, line)
 					date = self.__lastDate
+				elif self.checkFindTime and self.inOperation:
+					date = MyTime.time()
 		
 		if self.checkFindTime and date is not None:
 			# if in operation (modifications have been really found):