Difference between revisions of "I have a problem with Security"
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1. Make sure you use strong passwords for authentication | 1. Make sure you use strong passwords for authentication | ||
2. Check if there are not unauthorized connections in PBX | 2. Check if there are not unauthorized connections in PBX | ||
3. Some cases indicated problems which are reviewed [ | 3. Some cases indicated problems which are reviewed [[http://nerdvittles.com/?p=737| here]] | ||
Revision as of 07:35, 27 April 2011
You see a lot if unknown calls in your statistics with unusual destinations and callerIDs.
- First of all check if 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
- If you see unauthorized calls from your connected PBX like FreePBX, Elastix:
1. Make sure you use strong passwords for authentication 2. Check if there are not unauthorized connections in PBX 3. Some cases indicated problems which are reviewed [here]
