IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [lan]

41 questions
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Comparing two ways to access home network remotely

I go from location to location sometimes and I want to be able to access my resources from my home network like SMB shares or my ProxMox server. Obviously, since these services are on my LAN, I cannot access them if I am not on the network. Would it…
user275199
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Local area network multi-device network communication protocol

I am planning to build a local area network that will have one Master device and multiple Slave devices. The communication should be able to handle only ON/OFF functionality of the devices (devices should turn off/on in the "same" time). NRF24L01…
g_1_k
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Need to encrypt RTSP over LAN

I tried googling everywhere, but got no help with what I needed specifically. Let's say I have several IP cameras on a local area network. This LAN will NOT be connected to the Internet. The IP cameras will stream to a central computer over the LAN,…
Mohamad Michael Azzo
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Securing connections to a web server hosted on a LAN

I am hosting the same website in two locations: A public location https://mysite.com (AWS hosted) A location on a LAN with local DNS https://mysite.local. mysite.com is a service which targets users with very poor connectivity and mysite.local is…
Kenn
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Spoofing an IP/MAC address to avoid ICMP Destination Unreachable being sent back

As far as I understand UDP flooding the idea is to send UDP packets across all ports from e.g. Alice to Bob, and get Bob's machine to check who listens to certain ports and generate many ICMP destination unreachable packets to be sent back (+ Bob's…
chao
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IP Address leak on LAN scan

I am using VPN and encrypting my web traffic through them. However, When I do Lan Scan I can see my real ip address. All other websites, IPleak.net, WebRTC leaks, DNS leak, Email Leak and IPv6 leak do not reveal my real IP address, which is safe.…
user235956
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Can devices in a WAN view/connect to devices in a LAN?

I live in an apartment building that provides cable internet via an ethernet cable that reaches my place. I connect this cable to my WAN port and distribute it internally via wifi through my password-protected router. Can computers on this WAN, in a…
sigmaxf
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Do I need to create SSL for HTTPs over a local network?

I have a server that is accessed only via local network in my VPS, as it is local it does not have a domain, it is accessed only via IP (ex.: http://localhost/routine.php). This server will only be accessed via curl through my other servers. Even…
Tom
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HDMI with Ethernet: Network Security Risk?

I recently found out that HDMI cables (v1.4 and over) have ethernet capabilities for higher res output, so I want to know one thing: Say I have a PC/laptop connected to the internet, and a monitor (not a smart TV) connected to the PC/laptop via an…
BBB
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Is every packet in a home Wi-Fi which has say, AES password for connection, encrypted using the same password?

If there is an intruder in a LAN who knows the encryption type and password, will he be able to monitor all the packets which are in the LAN? Suppose someone on the LAN is visiting HTTP sites, which supposedly have no encryption. will the intruder…
Vishwa Mithra Tatta
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Does VNC need hardening when inside LAN (home network)?

This is a very newbie question, but I would just like to make sure that I'm not missing anything: If I connect via VNC protocol to my various servers etc. inside my own LAN (home network), then should I consider hardening my VNC in any way? (E.g.…
Richie79
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Avast Remote Access Shield is blocking unknown remote access attempts to my computer (Win10) coming from a MacBook device on my LAN. [Confused]

I need help understanding what is happening on my LAN and determine if a malicious attack is taking place. The "attacks" started to occur for the first time last night. This morning, I open my computer to find over 100 remote-access attempts that…
Nachos
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Is SSL Always Required When Communicating With Internal Client/Servers?

I'm in the planning/design stages of a project which will incorporate an internal server that communicates with internal clients. A quick summary of how this server will behave is as follows: end-users will make calls/commands to the server and…
pat17
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Is a LAN to LAN with different subnet configuration secure?

I plan to implement the following network configuration : Internet [(cable A)] Router A (192.168.0.x)[(WAN:cable A)(LAN1:cable B)(LAN2:)(LAN3:)(LAN4:)] Router B (192.168.1.x)[(WAN:)(LAN1:cable B)(LAN2:)(LAN3:)(LAN4:)] The first LAN port of router A…
pmbonneau
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Risks of running network services on a LAN hardware firewall

I am planning to set up a dedicated hardware firewall like Protectli and run a pfsense on it. I already know that: it is a good practice NOT to have a wireless adapter on the firewall unit it is ok to run two independent LANs from the same server…
afora377
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