Что это? попытка взлома? как оградиться?

[mpw]

Приветствую! всех!
Сегодня захожу в AsteriskINFO (FreePBX) и вижу :

SIP каналы:

Peer User/ANR Call ID Format Hold Last Message Expiry
216.12.220.114 (None) 1721665115 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1421918359 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3803104707 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 356675399 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2552557531 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3067783077 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3733515333 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3661441376 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1907499367 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3758609539 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 564790292 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1794547976 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3829027671 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1625217742 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3565780255 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1200266699 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2740843089 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3489963905 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3310319867 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3198517320 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 941752245 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 264943641 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 942545076 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 841122125 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2591300807 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 4049414609 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1491009345 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2050076016 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 610346024 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2468841741 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 172607473 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2029826723 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1155291228 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3640683330 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2886974620 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1404633165 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2827339426 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3751320453 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3703132087 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2741407161 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1088315630 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 956850232 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3281669832 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1752716959 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2446282939 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 4047929209 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 2797162931 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3288343981 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 923532616 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 1722514956 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 638625010 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 801451136 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 3944356420 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 37591003 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 519193697 0x0 (nothing) No Rx: REGISTER
216.12.220.114 (None) 744239058 0x0 (nothing) No Rx: REGISTER
...
...
1456 active SIP dialogs


Я если честно немного ошарашен, как я понял кто-то ломится и подбирает пароли?
временно закрыл ему доступ через IPtable, но как автоматом отстреливать таких умников?

[mpw]

решено
http://forum.asterisk.ru/viewtopic.php?f=3&t=317