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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).

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). The purpose of a DMZ is to add security to the LAN; a hacker can only access the services in the DMZ, not the LAN.
See article: DMZ (computing) on WikiPedia.

96 questions
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4 answers

What's DMZ used for in a home wireless router?

As far as I understand, by using DMZ you expose all of the host computer's ports to the Internet. What's that good for?
guillermooo
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10
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4 answers

Would you setup a DMZ at home?

From a security point of view, what are the benefits of going the whole hog of setting up a DMZ at home if you plan on running a low traffic (unpopular) website from there? There are a number of computers in the home on the same Windows network, but…
Rob G
  • 239
6
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4 answers

How to expose a home PC behind CG-NAT using a VPS?

Previously I had my home workstation PC directly exposed to the internet simply by setting it as the DMZ PC in my router's settings, and I could access any services I was running on it: SSH, Web Server, Remote Desktop, etc. I had DynDNS configured…
MestreLion
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Difference between DMZ and VLAN

I would like to know the difference between a DMZ and a VLAN (either a private or community VLAN). It would be wonderful if you could help me out! Thanks in advance!
Blackd00r
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4
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2 answers

Asus router RT-N56U unnecessarily opens extra ports for a DMZ device

My Asus RT-N56U router (latest firmware 3.0.0.4.374_979) opens port UDP 3659 for a Playstation 3 which is already in DMZ. The DMZ was set up properly with a static IP assigned to the PS3 and the system log shows that "ALL" protocols (ports) are…
Z.Zen
  • 101
4
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2 answers

External ping fails on Linksys router

When I try to ping my server from somewhere other than my local network, if finds the host, but returns as a lost packet. Screenshot from http://tools.pingdom.com: http://cl.ly/1I1c3K0z3Y1I2c3x3R3Z I have my server plugged into a Linksys WRT610N…
sman591
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4
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1 answer

Configuration of DMZ on LRT214

I want to learn more about network technology. Therefore I want to run a raspberry pi in the DMZ as a web server. What is working: Appache Server on the pi is working. When I use it in the LAN and allow the Linksys to forward the ports it local…
BerndGit
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3
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Trying to run a local server with port forwarding behind a carrier grade network from ISP, but getting no connection with localhost

i'm trying to make a half life server by portforwarding trought my router. It didn't work, i checked it out, and my public IP and my WAN IP were different, then i realised that i was in a carrier grade network. I called the ISP, asked them if there…
João Peterson Scheffer
  • 31
3
votes
1 answer

How to setup Home Networking DMZ Using Two Routers

I decided to get a better router than using my ISP supplied modem/router.  Thus I am not interested in using my new router as access point nor bridge mode.   I prefer having two internet accessible routers. :) Hardware:- 1)  Main ISP supplied Modem…
Kim Steve
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3
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3 answers

How come I can't ping my home computer?

I'm trying to set up a vpn into my home computer in order to access files from wherever. I have the home computer set up with a no-ip dynamic dns program so I can always connect, and have also tried using the actual ip address. However, when I try…
bikefixxer
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3
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2 answers

Is a forwarded port vulnerable to exploit if there is no software listening for connections on that port?

Does forwarding a port to a device (or DMZing the device) mean the device is susceptible to prodding on the opened ports even if no software listening to those ports is running on the device? e.g.: My PC at 192.168.1.101 is running Win7 and has no…
Rudy
  • 177
3
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1 answer

Is it safe to add a router to a modem without bridge mode by using DMZ?

I cannot alter my modem firmware and there's no legal way to enable bridge mode. I want to add a router so that I can have complete control over the network. If I use DMZ to achieve this, how secure am I? What would happen if an attacker is able to…
user168623
3
votes
2 answers

Do I need to port forward if I'm using a DMZ?

It seems like if I set a computer up as a DMZ to host, say, a Minecraft server, then I'd still need to port forward. Otherwise how will the router know which local computer to send them to when they access my external IP?
David Bandel
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2
votes
1 answer

Samba - Access shares from internet

I've added my computer to my router's DMZ so all opened ports are accessible from the internet. I have a couple of Samba shares that currently have public read permission. I want all other computers on the local network to be able to access my Samba…
goocreations
  • 237
2
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0 answers

DMZ forwarding on Cisco DPC/EPC2100 Cable Modem to Linksys Router for IP Cameras

I have one of the old Cisco DPC/EPC2100 Cable Modems and wanted to know if anyone has had any luck setting up DMZ on it? Link to modem: http://www.cisco.com/web/consumer/support/modem_DPC2100.html The modem's settings doesn't allow any config; all…
Wasabi Developer
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