Get help with installing and configuring Blox SBC
Changing WAN IP address
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netsteller Posts: 29
10/6/2016
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We wanted to move our test box to our backup ISP. We logged into the GUI (Freeblox) and adjusted the WAN interface settings. A quick reboot and now the external extensions won't register. We did change the external DNS pointers to the new IP also. Is there something that we need to change on the Blox to allow the new IP address? We tried deleting some of the roaming profiles and recreating them but still not working.
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netsteller Posts: 29
10/6/2016
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The problem maybe resolved. After numerous trial and error settings...I figured out that if I disable DPI and apply settings, then enable DPI and apply settings the traffic is flowing again. Let me know if that sounds about right.
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bloxsupport1 Posts: 232
10/6/2016
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Sure, disabling DPI and enabling it might have reset the firewall rules. May be during those changes made for WAN interface could have corrupted mis-manipulated the firewall rules for the WAN settings.
I will raise bug for this to get it fixed.
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netsteller Posts: 29
10/10/2016
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Everything has been good for a few days. This morning a customer answered a VoIP call, but could not hear the other person. After they hung up all of the phones in their office disconnected from the VoIP server. I logged into the Blox server and "disabled DPI" and the phones connected. I then "enabled DPI" and the phones stayed connected. This effected all extensions and trunks that where connected through the Blox server. We are still in the process of testing so we only have 2 customers on this server right now.
Just to make sure we are setting this up correctly...Is it OK to have each extension using the same LAN, WAN and Roaming profiles (we use Asterisk to authenticate extensions)?
Example:
extA@customer.com:portnumber1
extB@customer.com:portnumber1
extC@customer.com:portnumber1
So the only difference is the extension number. The domain and port numbers are all the same.
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bloxsupport1 Posts: 232
10/12/2016
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Hello,
We need to know how many calls per seconds has been made, also need to know if any message getting rejected by PBX with negative response. Too many negative response can block the IP.
Currently DPI based on IP, not per profile, so it might have blocked the complete IP
Can you check in Freeblox GUI
Security -> Firewall -> Dynamic blacklist IP address
without resetting the DPI
also email us output/log files of following to support@blox.org, so that we can find the problem
iptable-save > /tmp/iptables.out
Files:
/tmp/iptables.out
/tmp/alerts
/var/log/opensips.log
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