Difference between revisions of "I have a problem with Security"

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You see a lot if unknown calls in your statistics with unusual destinations and callerIDs.
You see a lot if unknown calls in your statistics with unusual destinations and callerIDs.


First of all check if [[Fail2Ban_installation| Fail2Ban]] is installed
* First of all check if [[Fail2Ban_installation| Fail2Ban]] is installed
 
You should see such lines after issuing command iptables --list :
 
[root@kolmisoft]# iptables --list
Chain INPUT (policy ACCEPT)
target    prot opt source              destination       
DROP      all  --  XX.XX.XX.XX        anywhere           
fail2ban-SSH  tcp  --  anywhere            anywhere            tcp dpt:ssh
fail2ban-ASTERISK  all  --  anywhere            anywhere           
DROP      all  --  XX.XX.XX.XX      anywhere           
DROP      all  --  XX.XX.XX.XX  anywhere     
 
Where XX.XX.XX.XX is some IP address

Revision as of 07:31, 27 April 2011

You see a lot if unknown calls in your statistics with unusual destinations and callerIDs.

You should see such lines after issuing command iptables --list :

[root@kolmisoft]# iptables --list
Chain INPUT (policy ACCEPT)
target     prot opt source               destination         
DROP       all  --  XX.XX.XX.XX         anywhere            
fail2ban-SSH  tcp  --  anywhere             anywhere            tcp dpt:ssh 
fail2ban-ASTERISK  all  --  anywhere             anywhere            
DROP       all  --  XX.XX.XX.XX       anywhere            
DROP       all  --  XX.XX.XX.XX  anywhere      

Where XX.XX.XX.XX is some IP address