diff --git a/config/filter.d/asterisk.conf b/config/filter.d/asterisk.conf
index 6d493f13..21081d98 100644
--- a/config/filter.d/asterisk.conf
+++ b/config/filter.d/asterisk.conf
@@ -14,16 +14,16 @@
 #          (?:::f{4,6}:)?(?P<host>\S+)
 # Values:  TEXT
 #
-failregex = NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Wrong password
-            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - No matching peer found
-            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Username/auth name mismatch
-            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Device does not match ACL
-            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Peer is not supposed to register
-            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - ACL error (permit/deny)
+failregex = NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Wrong password$
+            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - No matching peer found$
+            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Username/auth name mismatch$
+            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Device does not match ACL$
+            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - Peer is not supposed to register$
+            NOTICE.* .*: Registration from '.*' failed for '<HOST>' - ACL error (permit/deny)$
             NOTICE.* <HOST> failed to authenticate as '.*'$
-            NOTICE.* .*: No registration for peer '.*' \(from <HOST>\)
-            NOTICE.* .*: Host <HOST> failed MD5 authentication for '.*' (.*)
-            NOTICE.* .*: Failed to authenticate user .*@<HOST>.*
+            NOTICE.* .*: No registration for peer '.*' \(from <HOST>\)$
+            NOTICE.* .*: Host <HOST> failed MD5 authentication for '.*' (.*)$
+            NOTICE.* .*: Failed to authenticate user .*@<HOST>.*$
 
 # Option:  ignoreregex
 # Notes.:  regex to ignore. If this regex matches, the line is ignored.
diff --git a/testcases/files/logs/asterisk b/testcases/files/logs/asterisk
new file mode 100644
index 00000000..4715f608
--- /dev/null
+++ b/testcases/files/logs/asterisk
@@ -0,0 +1,11 @@
+# Sample log files for asterisk 
+[2012-02-13 17:21:54] NOTICE[1638] chan_sip.c: Registration from '<sip:301@asclepios.eyepea.be>' failed for '1.2.3.4' - Wrong password
+[2012-02-13 17:18:22] NOTICE[1638] chan_sip.c: Registration from '<sip:301@asclepios.eyepea.be>' failed for '1.2.3.4' - No matching peer found
+[2012-02-13 17:21:21] NOTICE[1638] chan_sip.c: Registration from '<sip:301@asclepios.eyepea.be>' failed for '1.2.3.4' - Username/auth name mismatch
+[2012-02-13 17:32:01] NOTICE[1638] chan_sip.c: Registration from '<sip:301@asclepios.eyepea.be>' failed for '1.2.3.4' - Device does not match ACL
+[2012-02-13 17:34:10] NOTICE[1638] chan_sip.c: Registration from '<sip:301@asclepios.eyepea.be>' failed for '1.2.3.4' - Peer is not supposed to register
+[2012-02-13 17:36:23] NOTICE[1638] chan_sip.c: Registration from '<sip:301@asclepios.eyepea.be>' failed for '1.2.3.4' - ACL error (permit/deny)
+[2012-02-13 17:53:59] NOTICE[1638] chan_iax2.c: Host 1.2.3.4 failed to authenticate as 'Fail2ban'
+[2012-02-13 17:39:20] NOTICE[1638] chan_iax2.c: No registration for peer 'Fail2ban' (from 1.2.3.4)
+[2012-02-13 17:44:26] NOTICE[1638] chan_iax2.c: Host 1.2.3.4 failed MD5 authentication for 'Fail2ban' (e7df7cd2ca07f4f1ab415d457a6e1c13 != 53ac4bc41ee4ec77888ed4aa50677247)
+[2012-02-13 17:37:07] NOTICE[1638] chan_sip.c: Failed to authenticate user "Fail2ban" <sip:301@1.2.3.4>;tag=1r698745234