Calls from *9399
Sheffield_Steve:
It sounds to me that the router is not configured correctly and is letting traffic in and out.
First thing I would do is run a simple penetration test. Gibson Research has a good one on their site at:
https://www.grc.com
I can't link directly to the page needed as it's generated dynamically.
Click on the "Services" menu and then "Shields UP" and then click on "Common ports" BELOW the big Orange button.
If that passes OK then enter: 5060-5061 in the Custom port box and press "enter"
CityOracle:
Steve,
Very much appreciate the tips.
Not knowing much on this topic, this is an education for me.
The test failed on the router for "Solicited TCP Packets:" on port 22 (SSH) and 80 (HTTP)
Any suggestion how I can secure them?
The test on 5060-5061 showed "Closed" status (I guess they are good).
So the security breach seems to be my router on port 22 and 80.
Please help me fix them.
Many thanks!
-David
Sheffield_Steve:
What do you get when you select the "All service ports" test?
CityOracle:
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.
Sheffield_Steve:
That doesn't explain why you were getting the SIP calls then.
Are you hosting a web server on the internet?
Are you using a VPN?
All cable providers have a way to access their modem but typically don't do it via an insecure web server.
To get to the bottom of this without detailed information on your setup and needs is going to be almost impossible though.
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