ENH: proftpd chan accept usernames with spaces

config/filter.d/proftpd.conf

@@ -20,9 +20,9 @@ before = common.conf
 #          (?:::f{4,6}:)?(?P<host>[\w\-.^_]+)
 # Values: TEXT
 #
-failregex = ^ %(__hostname)s %(__daemon_re)s%(__pid_re)s %(__hostname)s \(\S+\[<HOST>\]\)[: -]+ USER \S+: no such user found from \S+ \[\S+\] to \S+:\S+ *$
-            ^ %(__hostname)s %(__daemon_re)s%(__pid_re)s %(__hostname)s \(\S+\[<HOST>\]\)[: -]+ USER \S+ \(Login failed\): .*$
-            ^ %(__hostname)s %(__daemon_re)s%(__pid_re)s %(__hostname)s \(\S+\[<HOST>\]\)[: -]+ SECURITY VIOLATION: \S+ login attempted\. *$
+failregex = ^ %(__hostname)s %(__daemon_re)s%(__pid_re)s %(__hostname)s \(\S+\[<HOST>\]\)[: -]+ USER .*: no such user found from \S+ \[\S+\] to \S+:\S+ *$
+            ^ %(__hostname)s %(__daemon_re)s%(__pid_re)s %(__hostname)s \(\S+\[<HOST>\]\)[: -]+ USER .* \(Login failed\): .*$
+            ^ %(__hostname)s %(__daemon_re)s%(__pid_re)s %(__hostname)s \(\S+\[<HOST>\]\)[: -]+ SECURITY VIOLATION: .* login attempted\. *$
             ^ %(__hostname)s %(__daemon_re)s%(__pid_re)s %(__hostname)s \(\S+\[<HOST>\]\)[: -]+ Maximum login attempts \(\d+\) exceeded *$
 
 # Option:  ignoreregex