diff --git a/data/Dockerfiles/netfilter/server.py b/data/Dockerfiles/netfilter/server.py
index 382a3f78b..1ccc150ee 100644
--- a/data/Dockerfiles/netfilter/server.py
+++ b/data/Dockerfiles/netfilter/server.py
@@ -97,9 +97,9 @@ def refreshF2bregex():
     f2bregex[3] = 'warning: .*\[([0-9a-f\.:]+)\]: SASL .+ authentication failed: (?!.*Connection lost to authentication server).+'
     f2bregex[4] = 'warning: non-SMTP command from .*\[([0-9a-f\.:]+)]:.+'
     f2bregex[5] = 'NOQUEUE: reject: RCPT from \[([0-9a-f\.:]+)].+Protocol error.+'
-    f2bregex[6] = '-login: Disconnected \(auth failed, .+\): user=.*, method=.+, rip=([0-9a-f\.:]+),'
-    f2bregex[7] = '-login: Aborted login \(auth failed .+\): user=.+, rip=([0-9a-f\.:]+), lip.+'
-    f2bregex[8] = '-login: Aborted login \(tried to use disallowed .+\): user=.+, rip=([0-9a-f\.:]+), lip.+'
+    f2bregex[6] = '-login: Disconnected.+ \(auth failed, .+\): user=.*, method=.+, rip=([0-9a-f\.:]+),'
+    f2bregex[7] = '-login: Aborted login.+ \(auth failed .+\): user=.+, rip=([0-9a-f\.:]+), lip.+'
+    f2bregex[8] = '-login: Aborted login.+ \(tried to use disallowed .+\): user=.+, rip=([0-9a-f\.:]+), lip.+'
     f2bregex[9] = 'SOGo.+ Login from \'([0-9a-f\.:]+)\' for user .+ might not have worked'
     f2bregex[10] = '([0-9a-f\.:]+) \"GET \/SOGo\/.* HTTP.+\" 403 .+'
     r.set('F2B_REGEX', json.dumps(f2bregex, ensure_ascii=False))