diff --git a/config/filter.d/lighttpd-auth.conf b/config/filter.d/lighttpd-auth.conf
index dcf19d3e..f6b5893e 100644
--- a/config/filter.d/lighttpd-auth.conf
+++ b/config/filter.d/lighttpd-auth.conf
@@ -4,7 +4,8 @@
 [Definition]
 
 failregex = ^\s*(?:: )?\(?(?:http|mod)_auth\.c\.\d+\) (?:password doesn\'t match for (?:\S+|.*?) username:\s+<F-USER>(?:\S+|.*?)</F-USER>\s*|digest: auth failed(?: for\s+<F-ALT_USER>(?:\S+|.*?)</F-ALT_USER>\s*)?: (?:wrong password|uri mismatch \([^\)]*\))|get_password failed),? IP: <HOST>\s*$
+            ^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9]) lighttpd\[\d+\]: \s*(?:: )?\(?(?:http|mod)_auth\.c\.\d+\) (?:password doesn\'t match for (?:\S+|.*?) username:\s+<F-USER>(?:\S+|.*?)</F-USER>\s*|digest: auth failed(?: for\s+<F-ALT_USER>(?:\S+|.*?)</F-ALT_USER>\s*)?: (?:wrong password|uri mismatch \([^\)]*\))|get_password failed),? IP: <HOST>\s*$
 
-ignoreregex = 
+ignoreregex =
 
 # Author: Francois Boulogne <fboulogne@april.org>