Questions tagged [dmz]
In computer security, a DMZ (demilitarized zone) is a physical or logical sub-network that contains and exposes services to a larger untrusted network (usually the Internet).
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What could be a possible reason for a server within a local network not being accessible as external domain?
I have a domain name "example.com" that points to my public IP (80.92.102.112). The router connected to the internet (192.168.0.1) forwards specific ports to a router within the network ...
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How iptables SNAT deal with src port dilemma between port translation fr local ip and DNAT rule that forwards all traffic to the same local ip?
Say we have a Linux based router with WAN interface eth0 ip addr 4.3.2.1 (w/ whatever gw ip) and LAN interface eth1 ip addr 192.168.51.1/24, which means we need an iptables rule below to make the ...
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Security Concerns for VMs in DMZ
In Vmware Workstation a VMnet8(NAT) Interface on Host System acts as a External Port for a VM Guest, If a Put the VM in DMZ can the Host get compromised or attacked as the VMnet8 has Ip addresses ...
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Sophos UTM virtual appliance VM in DMZ
How safe would it be for a 'VM' Virtual Appliance UTM Sophos Firewall to be in DMZ. Can its security get compromised while the VM is in DMZ.. Im planning on such a setup for VPN access and certain ...
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Setting up a 2 DMZ configuration, simulating an attacker in the middle zone, pinging hosts after the second firewall is not possible
I am setting up a network with a 2 DMZ configuration and decided to put an attacker within the middle zone of both firewalls. I am trying to ping some of the hosts that are located after the second ...
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Make network printer accessible from outside LAN
I have an Epson L4150 printer that is perfectly accessible from inside my LAN, however I need it to accept print jobs from the internet (both from another home and from a Python script running in an ...
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How to reach "WAN SIDE" of my lan
maybe this is a silly question and the answer is simple.
I set my router DMZ (zyxel router) to my dev server (Dns updated dynamically) and everything works good from outside my network.
From inside my ...
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How can I open a port on my public IP with my router?
I am trying to port forward a port on my IP. Unfortunately, my router (Sagemcom F@st 5657 interface) only lets me open ports on my private IP, which is useless if I want to connect from other ...
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Why my server isn't accessible from outside?
I'm trying to make a Minecraft server. It works fine in LAN but my friends cannot access it outside of my LAN. I tried port forwarding (TCP/UDP 25565) but it didn't work. I turned off the windows ...
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Disable internet access to untrusted devices?
I have a few devices in my network which have outdated firmware and I would like to make sure that they cannot communicate with the Internet.
My plan is to include a second router and build a DMZ-like ...
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FireZilla Ftp server Cant Connect externally [duplicate]
I have an FTP server issue and I think that the main problem is my router. The facts: A) Main desktop Windows 10 with IIS server which has a website and a Microsoft SQL server Static Ip 192.168.1.100 ...
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Can I use the ISP modem/router as only a modem? and LAN-to-WAN to another modem/router?
My ISP forces us to use their modem/router. The provided modem/router is a custom NETGEAR VEGN2610 Telco gateway.
I want to manage my LAN, WiFi & QoS using my previous modem/router: a D-Link DVA-...
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DMZ how it works
I am very novice in Networking so hear me out please. I plan to setup the DMZ in my router and expose my CCTV Camera so it is accessible over the internet. My question is the DMZ not inside the ...
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DMZ and 2nd router
I have an ISP provided router modem (BT Smart Hub TypeA) that everyone at home connects to (wifi and cabling) and I want to leave this as is, so it remains as the DHCP, using 192.168.0.x/255.255.255.0 ...
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Isolate one computer on the LAN from all other computers on the LAN
I would like to know how I can best and most readily set up a single PC on my network such that it cannot see any of the others PCs or access any of their resources. The PC must still be able to ...