Calls from *9399
Taoman:
Quote from: Sheffield_Steve on September 18, 2018, 11:05:32 am
That doesn't explain why you were getting the SIP calls then.
OP was not getting "SIP calls." He was getting calls via the OBiTALK network. This is why it was recommended to change the InboundCallRoute for the OBiTALK service to null.
If these were SIP scanners, checking the box for X_AcceptSipFromRegistrarOnly would have worked.
Here's drgeoff briefly mentioning the difference between the two:
http://www.obitalk.com/forum/index.php?topic=11407.msg75134#msg75134
Sheffield_Steve:
Oops, I missed that....
CityOracle:
Steve, Taoman,
Thank you both for charming in.
No VPN, no website.
I just have a simple Cable modem-->router-->Obi202 set up for making phone calls.
I double check. X_AcceptSipFromRegistrarOnly is checked (not using ObiTalk or Device settings)
Please advise if there is anything I should do to prevent malicious scanners.
This Obi202 device is great and loaded, but requires a lot of in-depth tech knowledge to manage.
Appreciate both of your for the help!
-David
Sheffield_Steve:
As I said it's going to be difficult to get to the bottom of your security issues on here.
I good start would be to check all the cabling and then reset the router to default. But I would hate to tell you to do that as it may break something that I don't know about. Your best bet would be to find the forum for your router.
But the end game of the security scan is to get a response of Stealth from all ports scanned. Here's mine:
dboling:
Quote from: CityOracle on September 18, 2018, 10:36:23 am
Running "All service ports" got:
Red (Open): 22 (SSH). 53 (Domain), and 80(HTTP)
Green (Stealth): 0, 23, 25, 135-139
The rest are all blue (Closed).
Thanks.
I just ran the test on my server and it failed as I expected since it does serve web,email,dns,ect...
After analyzing the mine sweeper graph of my test the colors mean:
RED: port exposed to the world.
Green: firewall blocking port from the world.
Blue: firewall not blocking the port, but no services on router needing to be blocked.
Bottom line, you need to block the world from port 22 and port 80 which are your router administration ports.
Port 53 is not an issue as it's used for DNS lookups.
On the surface the Internet is a cool place with sites like Amazon and EBay, but in reality there are MASS amounts of evil on the internet with people and even entire countries scanning internet IP addresses for open ports to exploit.
As Sheffield_Steve suggested locate a forum that deals with your model of router, if a manual was included, read it.
If you haven't already done so, change the default password of the router and make sure the firmware is up to date.
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