you could also do this to unban a banned IP

ssh or login to your AstLinux

type the following command to view banned IP's "iptables -L ADAPTIVE_BAN_CHAIN"

Count the line number to the ip address you wish to unban (see example below), 
eg in my example I want to unban 124.8.0.xxxx, which is on LINE 3

"iptables -D ADAPTIVE_BAN_CHAIN 3" deletes line 3 from being banned, If I 
wanted to unban 120.153.196.yyy (on LINE 4), I'd enter "iptables -D 
ADAPTIVE_BAN_CHAIN 4"


Example
Chain ADAPTIVE_BAN_CHAIN (2 references)
target     prot opt source               destination         
RETURN     all  --  10.8.0.0/24          anywhere            
RETURN     all  --  10.8.1.0/24          anywhere            
ADAPTIVE_BAN_DROP_CHAIN  all  --  124.8.0.xxx           anywhere            
ADAPTIVE_BAN_DROP_CHAIN  all  --  120.153.196.yyy      anywhere 

Guy

On 14/06/2010, at 12:22 PM, Lonnie Abelbeck wrote:

> 
> On Jun 13, 2010, at 7:27 PM, d...@ryson.org wrote:
> 
>> Hello all.  
>> 
>> I have good news; bad news; and a question... 
>> 
>> Here's the good news:  Adaptive Ban has proved very effective at killing 
>> break-in attempts from bad-guys.
>> 
>> The bad news is:  One of our off-site users tried to re-install a soft-phone 
>> on his laptop.  The user knew his new host address and username but not the 
>> secret.  Amazingly, the user repeatedly tried to register, which resulted in 
>> his dynamic IP address quickly being banned.
>> 
>> As you've likely guessed by now, the question is:  What's the best procedure 
>> for un-banning a host?  For now, I've just added the IP address to 
>> ADAPTIVE_BAN_WHITELIST, which seems to work.  Is there a better way?
>> 
>> I'd appreciate your thoughts.  
>> 
>> Dan
> 
> Adding a valid external user's IP address to the ADAPTIVE_BAN_WHITELIST is 
> the best approach, as you have done.
> 
> When the AstLinux box is rebooted, the RAM based syslog file will be cleared 
> and the valid user's dynamic IP will no longer be needed in the whitelist, 
> but does no  harm.
> 
> Lonnie
> 
> 
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