Tag: Security
Can one access data generated in a Wi-Fi network from the modem? [on hold]
I find this question is best phrased with a scenario, so here goes nothing.
Scenario
Tom owns a modem and a router, and gets internet service from Comcast. Tom uses his router to broadcast his own Wi-Fi network.
Tom’s nei…
How secure is Satellite Internet? [on hold]
Hope this is not off topic. We bought a house. We need internet for basic research, email and paying bills. There is NO INTERNET… Even a dedicated hotspot will not give us a stable connection. We are planning to get Sat…
Interference in a group call [on hold]
Possibly wrong people to ask but if I knew better…
Anyway
Did any of you guys heard about or experienced interference while in a group call. In my case it was a Viber app. I used Bluetooth headset if it means anything.
Inte…
Different Wi-Fi security levels under same private subnet
I’m working on an assignment and I’m given a hypothetical scenario where:
A company has a local subnet where everything shares the flat address space 192.168.0.0/8 (this means that any device can communicate with any other d…
Is TR-069 a security risk?
My ISP provides a combo box (ONT + router + switch + Wi-Fi) which they can manage remotely, likely using TR-069. They automatically push default configurations to the device. After I do a factory reset, and change the root ac…
Cisco ASA looping broadcast packet
I have small office where running cisco ASA ASA5506 and version 9.4(1) and it’s also configured for IPsec VPN tunnel, My LAN subnet is 10.1.1.0/24
So i have found very interesting things in LAN where if i ping 10.1.1.255 (b…
Why do DSL connections in the UK require a login
In the UK any DSL broadband connection requires a username and password to connect. Why is this? When you move to another property/line you cannot connect anyway. Surely your physical connection is your login?
This also does…
Security through guest-only network w/ access to network resources via VPN
Consider setup with a firewall that has WAN, LAN, and INT interfaces, where WAN is internet uplink, LAN is a network only able to reach WAN, and INT is a network with shared network resources, access to which is only provided…
How can I protect my company codes against being uploaded/stolen?
I am trying to establish a new company/startup. We like to work on some web/mobile applications. I know how to prevent stealing codes physically(like blocking USB ports, etc). But my programmers need to use internet for their…
What’s the advantage of having VLANs if you enable inter-vlan routing?
If you configure VLANs with each having their own subnets, is there a point to have them if inter-vlan routing is enabled? Since VLANs will have access to other VLANs, the security argument is not applicable. I guess broadcas…