diff --git a/config/filter.d/gssftpd.conf b/config/filter.d/gssftpd.conf
index 08c3653c9..33216b39b 100644
--- a/config/filter.d/gssftpd.conf
+++ b/config/filter.d/gssftpd.conf
@@ -12,3 +12,9 @@
 # Values: TEXT
 #
 failregex = ftpd(?:\[\d+\])?:\s+repeated login failures from <HOST> \(\S+\)$
+
+# Option:  ignoreregex
+# Notes.:  regex to ignore. If this regex matches, the line is ignored.
+# Values:  TEXT
+#
+ignoreregex = 
diff --git a/config/filter.d/named-refused.conf b/config/filter.d/named-refused.conf
index c6aed9bb6..be986751c 100644
--- a/config/filter.d/named-refused.conf
+++ b/config/filter.d/named-refused.conf
@@ -28,4 +28,8 @@ __line_prefix=(?:\s\S+ %(__daemon_combs_re)s\s+)?
 #
 failregex = %(__line_prefix)sclient <HOST>#\S+: query(?: \(cache\))? '.*' denied\s*$
 
-
+# Option:  ignoreregex
+# Notes.:  regex to ignore. If this regex matches, the line is ignored.
+# Values:  TEXT
+#
+ignoreregex = 
diff --git a/config/filter.d/pam-generic.conf b/config/filter.d/pam-generic.conf
index 55e9efd06..7e48a08dc 100644
--- a/config/filter.d/pam-generic.conf
+++ b/config/filter.d/pam-generic.conf
@@ -23,3 +23,9 @@ __pam_combs_re=(?:%(__pid_re)s?:\s+%(__pam_re)s|%(__pam_re)s%(__pid_re)s?:)
 # Values: TEXT
 #
 failregex = \s\S+ \S+%(__pam_combs_re)s\s+authentication failure; logname=\S* uid=\S* euid=\S* tty=%(_ttys_re)s ruser=\S* rhost=<HOST>(?:\s+user=.*)?\s*$
+
+# Option:  ignoreregex
+# Notes.:  regex to ignore. If this regex matches, the line is ignored.
+# Values:  TEXT
+#
+ignoreregex = 
diff --git a/config/filter.d/wuftpd.conf b/config/filter.d/wuftpd.conf
index 2d08022d8..56ba499f0 100644
--- a/config/filter.d/wuftpd.conf
+++ b/config/filter.d/wuftpd.conf
@@ -12,3 +12,9 @@
 # Values: TEXT
 #
 failregex = wu-ftpd(?:\[\d+\])?:\s+\(pam_unix\)\s+authentication failure.* rhost=<HOST>$
+
+# Option:  ignoreregex
+# Notes.:  regex to ignore. If this regex matches, the line is ignored.
+# Values:  TEXT
+#
+ignoreregex =