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Thread: Ip Blocker Not Working!!!!

  1. #1

    Default Ip Blocker Not Working!!!!

    New Fri Jun 8 07:20:00 2012 3 SIP ip phone registration rejected IP phone user 106 [37.75.212.170:58382]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 07:18:08 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:58241]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 07:17:00 2012 3 SIP ip phone registration rejected IP phone user 106 [37.75.212.170:58106]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 07:13:16 2012 3 IDS intrusion alert possible intrusion detected from: 213.226.61.67 Check IDS
    New Fri Jun 8 07:12:48 2012 3 SIP ip phone registration rejected IP phone user 106 [37.75.212.170:57887]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 07:12:26 2012 3 SIP ip phone registration rejected IP phone user 103 [37.75.212.170:57862]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 07:11:38 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:57793]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 07:08:06 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:57764]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:59:45 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:57679]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:57:59 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:57654]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:52:38 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:57302]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:50:36 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:57057]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:50:19 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:57041]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:47:57 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:57002]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:45:23 2012 3 IDS intrusion alert possible intrusion detected from: 213.226.61.67 Check IDS
    New Fri Jun 8 06:38:25 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:56886]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:37:55 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:56880]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:35:22 2012 3 IDS intrusion alert possible intrusion detected from: 213.226.61.67 Check IDS
    New Fri Jun 8 06:34:44 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56653]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:27:48 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:56559]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:27:45 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:56408]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:22:24 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:56408]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:19:44 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:56408]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:18:24 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:56392]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:17:44 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:56328]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:17:41 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:56383]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:17:23 2012 3 SIP ip phone registration rejected IP phone user 105 [37.75.212.170:56328]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:17:08 2012 3 SIP ip phone registration rejected IP phone user 104 [37.75.212.170:56328]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:15:58 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56281]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:15:18 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56281]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:14:57 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56281]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:14:40 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56269]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:14:00 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56244]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:13:40 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56244]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:12:54 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56169]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:10:14 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:56077]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:08:54 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55970]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:08:13 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55970]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:07:53 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55970]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:07:39 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:56008]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:07:37 2012 3 SIP ip phone registration rejected IP phone user 103 [37.75.212.170:55970]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:07:20 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55970]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:06:40 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55841]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 06:06:20 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55841]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:57:32 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:55636]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:56:26 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55590]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:51:06 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55405]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:48:25 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55370]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:47:25 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:55342]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:47:05 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55270]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:46:25 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55270]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:46:05 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:55270]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:43:31 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:55240]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:37:18 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:55146]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:27:11 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:54868]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:17:04 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:54498]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:13:31 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:54468]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 05:06:57 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:54347]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:56:52 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:54181]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:52:11 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:54131]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:46:45 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:54071]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:42:43 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:53856]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:41:31 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:53826]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:37:23 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:53856]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:36:38 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53926]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:36:10 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:53826]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:34:42 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:53856]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:33:30 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:53826]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:33:22 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:53856]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:32:42 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:53856]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:32:22 2012 3 SIP ip phone registration rejected IP phone user 102 [37.75.212.170:53856]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:32:10 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:53826]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:31:30 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:53826]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:31:10 2012 3 SIP ip phone registration rejected IP phone user 109 [37.75.212.170:53826]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:26:31 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53756]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:25:51 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:53630]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:17:26 2012 3 SIP ip phone registration rejected IP phone user 103 [37.75.212.170:53287]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:16:24 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53604]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:14:36 2012 3 SIP ip phone registration rejected IP phone user 120 [37.75.212.170:53467]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:07:20 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53396]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 04:06:17 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53462]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:56:10 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53318]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:55:51 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52893]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:47:25 2012 3 SIP ip phone registration rejected IP phone user 103 [37.75.212.170:53057]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:46:04 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53135]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:44:36 2012 3 SIP ip phone registration rejected IP phone user 120 [37.75.212.170:53062]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:37:20 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52751]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:35:57 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:53017]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:25:55 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52864]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:25:51 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52640]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:17:25 2012 3 SIP ip phone registration rejected IP phone user 103 [37.75.212.170:52615]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:15:48 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52718]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:14:36 2012 3 SIP ip phone registration rejected IP phone user 120 [37.75.212.170:52591]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:07:20 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52457]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:05:41 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52562]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 03:04:30 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:56:05 2012 3 SIP ip phone registration rejected IP phone user 103 [37.75.212.170:52338]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:55:34 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52409]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:53:50 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:53:16 2012 3 SIP ip phone registration rejected IP phone user 120 [37.75.212.170:51905]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:48:30 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:47:15 2012 3 SIP ip phone registration rejected IP phone user 119 [37.75.212.170:52260]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:47:04 2012 3 SIP ip phone registration rejected IP phone user 118 [37.75.212.170:52238]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:46:44 2012 3 SIP ip phone registration rejected IP phone user 118 [37.75.212.170:52238]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:46:25 2012 3 SIP ip phone registration rejected IP phone user 116 [37.75.212.170:52238]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:46:00 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52222]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:45:50 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:45:44 2012 3 SIP ip phone registration rejected IP phone user 116 [37.75.212.170:52193]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:45:27 2012 3 SIP ip phone registration rejected IP phone user 100 [37.75.212.170:52204]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:45:25 2012 3 SIP ip phone registration rejected IP phone user 103 [37.75.212.170:51943]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:45:24 2012 3 SIP ip phone registration rejected IP phone user 116 [37.75.212.170:52193]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:45:10 2012 3 SIP ip phone registration rejected IP phone user 115 [37.75.212.170:52193]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:44:49 2012 3 SIP ip phone registration rejected IP phone user 115 [37.75.212.170:52186]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:44:29 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:43:49 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:43:29 2012 3 SIP ip phone registration rejected IP phone user 114 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:43:10 2012 3 SIP ip phone registration rejected IP phone user 113 [37.75.212.170:52152]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:42:47 2012 3 SIP ip phone registration rejected IP phone user 11 [37.75.212.170:52143]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:42:36 2012 3 SIP ip phone registration rejected IP phone user 120 [37.75.212.170:51905]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:42:27 2012 3 SIP ip phone registration rejected IP phone user 11 [37.75.212.170:52124]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:42:17 2012 3 SIP ip phone registration rejected IP phone user 1 [37.75.212.170:52124]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    New Fri Jun 8 02:42:12 2012 3 SIP ip phone registration rejected IP phone user 200 [37.75.212.170:52124]: registration failed. Reason: No Such Line Configured. IP Lines Registration Status
    And many many more!
    After all this i had to Block this IP Manually!
    But it was too late because they already got in!
    Logs are incoming to you through reseller.

    Radoslav.

  2. #2

    Default

    There is no need to block IP manually. You have to enable SIP IDS and "Add the IP address into the Blocked IP list in Firewall".

  3. #3

    Default

    Quote Originally Posted by hrant View Post
    There is no need to block IP manually. You have to enable SIP IDS and "Add the IP address into the Blocked IP list in Firewall".
    Thank you for your reply,

    SIP IDS Was Enabled!
    Radoslav.

  4. #4

    Default

    Hi Radoslav,

    The main purpose of SIP IDS is to protect IP PBX from SIP registration attacks that may overload it and degrade its functionality. Registration failures from the same IP address are considered as attack in case if at least two or more registration attempts are made from the same IP address during 250 mseconds. If that is the case then IP PBX adds that address to the firewall's black list to offload the SIP stack from processing the SIP messages from malicious IP address in the future. In your specific case the average duration between registration attempts is 20 seconds and therefore IP PBX doesn't consider it as an attack and doesn't add the IP address to firewall's black list.

  5. #5

    Default

    Hi hrant, we had our fair share of such attacks and I guess it is a universal issue for all IP PBXs. I am thinking that stricter control e.g. any 3 tries from an IP and that IP is disabled by the IP PBX would be better. 250 ms interval for 3 intrusions appears to be too short and further these hackers know how to workaround the IDS time-based logic. Operationally this would not have an undue effect on sys admins but would automatically weed out a high percentage of such attacks. For such cases, sys admin action is required to remove that IP from the blacklist, if required. What do you think?

  6. #6

    Default

    Hi Tony,

    as i mentioned above the main purpose of SIP IDS is to protect the IP PBX from SIP registration attacks resulting in CPU overload and functionality degradation. Therefore, this mechanism is blocking on firewall level only the registration attempts of a high frequency, which can be harmful for overall functionality. The less frequent registration attempts like every 10 or 20 seconds don't add any significant load and therefore they are not being blocked, but if you want to track them you always can enable the "ip phone registration rejected" event in "event settings", get email every time when registration was rejected and block the IP address manually if you wish so. Maybe 250 mseconds is too short but what the right value is? If we make it longer then many non hacker IP addresses will fall into the blocked list because of configuration mistakes and then admin has to remove them manually.
    In any case the users should know that SIP IDS cannot protect from malicious registrations when the passwords are too weak but if they are strong it makes the malicious registration impossible. Therefore, Radoslav's statement "But it was too late because they already got in!" sounds strange to me because to hack a password of a medium security doing attempts every 20 seconds will take many millions of years.

  7. #7

    Default

    Well I think I got a solution for this.

    The SIP IDS should be configurable. Depends on your situation, you can configure the interval and the number of re-tries. It will have an explanation and also recommended values.

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