Skip to main content

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).

0 votes
0 answers
50 views

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 ...
Reverent Lapwing's user avatar
0 votes
1 answer
215 views

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 ...
Ning Yu Fisher's user avatar
0 votes
0 answers
107 views

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 ...
CrazyFirewall's user avatar
0 votes
1 answer
129 views

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 ...
CrazyFirewall's user avatar
0 votes
0 answers
37 views

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 ...
pdaranda661's user avatar
0 votes
2 answers
1k views

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 ...
Omar Morales Rivera's user avatar
0 votes
1 answer
117 views

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 ...
Nik Rubblers's user avatar
0 votes
0 answers
1k views

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 ...
Alex Laredo's user avatar
0 votes
0 answers
194 views

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 ...
TIPDYT's user avatar
  • 3
0 votes
1 answer
251 views

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 ...
Daniel Marschall's user avatar
0 votes
1 answer
166 views

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 ...
David Dan's user avatar
0 votes
1 answer
771 views

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-...
drk_hale's user avatar
0 votes
1 answer
149 views

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 ...
Hawk's user avatar
  • 103
1 vote
1 answer
3k views

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 ...
Julian Bennett's user avatar
2 votes
1 answer
8k views

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 ...
Gork's user avatar
  • 23

15 30 50 per page
1
2 3 4 5
7