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Which brings me back to my original idea, of only allowing your IP's to |
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connect to SSH on your servers, and just drop everything else, problem |
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solved. |
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|
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On 10/4/05, Kyle Lutze <kyle@×××××××××××.com> wrote: |
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> |
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> Dave Strydom wrote: |
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> |
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> You know what would be seriously awesome, is if they have a type of RBL |
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> listing for this kind of thing, and you could just link your iptables up to |
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> the rbl listings. |
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> |
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> (for those of you who don't know how rbl's work) |
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> |
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> Example, I see this in my auth.log: |
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> ------------------------------------------- |
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> Sep 28 03:20:42 cerberus sshd[20136]: Address 209.50.253.203<http://209.50.253.203>maps to |
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> srv.warofthering.net <http://srv.warofthering.net>, but this does not map |
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> back to the address - POSSIBLE BREAKIN ATTEM |
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> PT! |
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> Sep 28 03:20:43 cerberus sshd[20171]: Invalid user cchen from |
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> 209.50.253.203 <http://209.50.253.203> |
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> Sep 28 03:20:43 cerberus sshd[20141]: Address 209.50.253.203<http://209.50.253.203>maps to |
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> srv.warofthering.net <http://srv.warofthering.net>, but this does not map |
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> back to the address - POSSIBLE BREAKIN ATTEM |
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> PT! |
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> Sep 28 03:20:43 cerberus sshd[20176]: Invalid user admin from |
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> 209.50.253.203 <http://209.50.253.203> |
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> Sep 28 03:20:44 cerberus sshd[20181]: Invalid user admin from |
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> 209.50.253.203 <http://209.50.253.203> |
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> Sep 28 03:20:44 cerberus sshd[20186]: Invalid user admin from |
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> 209.50.253.203 <http://209.50.253.203> |
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> ------------------------------------------- |
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> |
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> I could then submit the IP address to a RBL listing site, and then all |
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> people who plugin to the rbl listing could update their firewalls with the |
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> latest listing. |
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> |
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> Just an idea, i dont know how hard it would be to do? |
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> |
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> Dave |
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> |
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> That will never happen. The reason being stated plenty of times over, but |
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> I'll state them again: |
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> |
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> * Many of those addresses are from dynamic IPs |
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> |
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> * Some may be using fake IPs that you login from, it would suck to have |
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> you banned from your own server |
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> |
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> * if anybody can submit to an RBL you would have the whole world added to |
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> that RBL in no time because somebody will get the bright idea to do so. |
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> |
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> In short, bad idea. |
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> |
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> Kyle |
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> |
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