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gary at baribault Jun 17, 2010, 4:48 AM Views: 532 Permalink targetted SSH bruteforce attacks Hello list, I have a strange situation and would like information from the list members. I have three Linux boxes exposed to the Internet. Two of them are on cable modems, and both have two services that are publicly available. In both cases, I have SSH and named running and available to the public. Before you folks say it, yes I run SSH on TCP/22 and no I don't want to move it to another port, and no I don't want to restrict it to certain source IPs. Both of these systems are within one /21 and get attacked regularly. I run Denyhosts on them, and update the central server once an hour with attacking IPs, and obviously also download the public hosts.deny list. These machines get hit regularly, so often that I don't really care, it's fun to make the script kiddies waste their time! But in this instance, only my home box is being attacked... someone is burning a lot of cycles and hosts to do a distributed dictionary attack on my one box! The named daemon is non recursive, properly configured, up to date and not being attacked. Is anyone else seeing this type of attack? Or is someone really targeting MY box? Thanks Gary Baribault Courriel: gary [at] baribault GPG Key: 0x685430d1 Signature: 9E4D 1B7C CB9F 9239 11D9 71C3 6C35 C6B7 6854 30D1 _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/

Subject User Time targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 4:48 AM     Re: targetted SSH bruteforce attacks dink at mrhinkydink Jun 17, 2010, 5:28 AM     Re: targetted SSH bruteforce attacks gregory.bellier at gmail Jun 17, 2010, 5:32 AM     Re: targetted SSH bruteforce attacks adam.richards at ecimln Jun 17, 2010, 5:37 AM     Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 5:44 AM         Re: targetted SSH bruteforce attacks lisfrank at chem Jun 17, 2010, 7:42 AM             Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 8:23 AM         Re: targetted SSH bruteforce attacks me at b3nji Jun 17, 2010, 8:04 AM     Re: targetted SSH bruteforce attacks emmanuel.verchere at gmail Jun 17, 2010, 5:45 AM         Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 5:54 AM         Re: targetted SSH bruteforce attacks merlyn at stonehenge Jun 17, 2010, 9:38 AM             Re: targetted SSH bruteforce attacks pschmehl_lists at tx Jun 17, 2010, 1:19 PM     Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 5:47 AM     Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 5:51 AM     Re: targetted SSH bruteforce attacks Valdis.Kletnieks at vt Jun 17, 2010, 7:15 AM     Re: targetted SSH bruteforce attacks faust64 at gmail Jun 17, 2010, 7:21 AM     Re: targetted SSH bruteforce attacks michael.holstein at csuohio Jun 17, 2010, 7:56 AM         Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 8:28 AM             Re: targetted SSH bruteforce attacks bipin.gautam at gmail Jun 17, 2010, 8:38 AM     Re: targetted SSH bruteforce attacks Valdis.Kletnieks at vt Jun 17, 2010, 8:38 AM         Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 8:48 AM     Re: targetted SSH bruteforce attacks gary at baribault Jun 17, 2010, 8:45 AM     Re: targetted SSH bruteforce attacks dink at mrhinkydink Jun 17, 2010, 9:44 AM     Re: targetted SSH bruteforce attacks blackhat0 at gmail Jun 17, 2010, 10:23 AM     Re: targetted SSH bruteforce attacks michael.holstein at csuohio Jun 17, 2010, 10:35 AM     Re: targetted SSH bruteforce attacks dink at mrhinkydink Jun 17, 2010, 11:00 AM     Re: targetted SSH bruteforce attacks delphij at gmail Jun 17, 2010, 11:04 AM     Re: targetted SSH bruteforce attacks pschmehl_lists at tx Jun 17, 2010, 1:21 PM         Re: targetted SSH bruteforce attacks Valdis.Kletnieks at vt Jun 17, 2010, 1:49 PM         Re: targetted SSH bruteforce attacks flamdugen at hotmail Jun 17, 2010, 1:58 PM         Re: targetted SSH bruteforce attacks delphij at gmail Jun 17, 2010, 5:10 PM         Re: targetted SSH bruteforce attacks marsh at extendedsubset Jun 21, 2010, 12:11 PM             Re: targetted SSH bruteforce attacks bugs at fbi Jun 21, 2010, 7:06 PM     Re: targetted SSH bruteforce attacks mailinglists at soul-dev Jun 17, 2010, 2:56 PM         Re: targetted SSH bruteforce attacks sebastian.rother at jpberlin Jun 17, 2010, 5:31 PM     Re: targetted SSH bruteforce attacks boogiebruva at yahoo Jun 17, 2010, 4:09 PM     Re: targetted SSH bruteforce attacks peak at argo Jun 17, 2010, 5:24 PM     Re: targetted SSH bruteforce attacks Thor at hammerofgod Jun 17, 2010, 5:52 PM     Re: targetted SSH bruteforce attacks badmotherfsckr at gmail Jun 17, 2010, 9:43 PM     Re: targetted SSH bruteforce attacks bob.onformon at gmail Jun 18, 2010, 5:25 AM     Re: targetted SSH bruteforce attacks wahjava.ml at gmail Jun 18, 2010, 10:38 AM         Re: targetted SSH bruteforce attacks gary at baribault Jun 18, 2010, 10:46 AM             Re: targetted SSH bruteforce attacks wahjava.ml at gmail Jun 18, 2010, 11:15 AM     Re: targetted SSH bruteforce attacks marc.olive at grupblau Jun 22, 2010, 2:33 AM         Re: targetted SSH bruteforce attacks bugs at fbi Jun 26, 2010, 3:59 PM     Re: targetted SSH bruteforce attacks ryan.castellucci at gmail Jun 22, 2010, 7:35 PM     Re: targetted SSH bruteforce attacks yersinia.spiros at gmail Jun 23, 2010, 1:22 AM     Re: targetted SSH bruteforce attacks cody at hawkhost Jun 23, 2010, 9:33 AM         Re: targetted SSH bruteforce attacks gary at baribault Jun 23, 2010, 9:38 AM             Re: targetted SSH bruteforce attacks cody at hawkhost Jun 23, 2010, 9:51 AM

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