Network Address Translation, a technology used to translate a private IP address into a public IP.

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3answers
275 views

Can a VMWare player virtual machine receive udp packages?

I have a virtual machine running in VMWare player v6. The network type is NAT. An application in my virtual machine sends UDP packages to a server in the network of the host machine and needs to ...
0
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0answers
38 views

NAT on LAN interface

I have set up DDNS and it is working fine. The router is D-Link 2750U and I could not see any NATting option on the LAN interface. However, I wish to cut short the trip to the DDNS server when I am ...
0
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1answer
154 views

Conntrack gets incorrect forwarding rules for outgoing protocol 41

I'm trying to forward protocol 41 (ipv6-in-ipv4) for an HE tunnel through a WRT54G running Tomato 1.28. Tomato 1.28 is running a 2.4 kernel that knows absolutely nothing about protocol 41, except that ...
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0answers
73 views

Are WAN Source rules checked after masquerading happens?

We are trying to do traffic shaping in pfSense, and we are having a hell of a time trying to convince pfSense to match the traffic. For example, if i create a WAN rule to log all traffic destined to ...
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0answers
55 views

Internet connection dropped when nat created and routed via vpn [linux+iptables]

I've got a very frustrating network issue. Currently I'm living in a hotel in which I need to authenticate through a website in order to obtain internet access. I've also got xbox360 that I want to ...
0
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0answers
167 views

Can only connect to uTorrent WebUI when on local network

My port forwarding is all set up, I can connect to WebUI hosted from my laptop with my phone but only with my LAN IP when I'm on the same network. When I try to use the public one (WAN), I can't get ...
0
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0answers
31 views

Special type of DMZ?

So I have a standard modem-router setup all great to go, my Modem gives an IP Address from my provider via DHCP according to my Mac address. All is good. However, I now want to expose a new virtual ...
1
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0answers
66 views

Point an internal IP address to an external URL

Is it possible to set a router up so a machine in the LAN can access an Internet URL using an internal IP address? I have a cheap DVR box that can save recorded videos to a FTP server, but only ...
1
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0answers
203 views

OpenWRT sending invalid packets to WAN when Android phone connects

I have a Netgear WR703N wireless router flashed with OpenWRT 12.09 "Attitude Adjustment" connected to my school's Ethernet network, and our IT department sent emails alerting me that it's ...
0
votes
1answer
445 views

RV130 won't pass http unless behind another NAT

I'm attempting to replace a Linksys WRT54G with a Cisco RV130 for a home internet connection. For the moment, the setup is about as simple as it gets. Cable-modem -> RV130 -> Switch -> Multiple ...
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0answers
29 views

How to NAT one accesslist for two interface?

I have a 1800 cisco router with two interface. I Configured a dialar interface for pppoe connection for internet on fa 0/0. but I have an intranet for remote branch office on the same interface. the ...
0
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1answer
42 views

iproute2: How do i connect one machine to the internet via another

I have the following setup: A > 169.254.8.125/16 <--(ad-hoc)--> 169.254.9.109/16 < B > 192.168.178.21/24 <--(wifi)--> 192.168.178.1/24 < AP/router > internet I want to connect A to the ...
0
votes
1answer
137 views

How to NAT between 2 network interfaces without impacting routing

My Linux-based router has 5 Ethernet ports. It is currently acting as a router between ports 1 & 2 and the dedicated WAN port, without NAT. Port 1 is 192.168.1.1/24, port 2 is 192.168.2.1/24, WAN ...
0
votes
1answer
142 views

VirtualBox NAT port forwarding configuration (<1024)

I'd like to forward requests from 127.0.0.1:80 to a guest OS in VirtualBox VM (CentOS 7) - 10.0.2.15:8080. Is that possible? If I forward 127.0.0.1:9090 everything works fine, but as soon as I ...
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0answers
139 views

Using NAT to translate IP addresses on Mac OS X Mavericks

I want to access two iPhones (iOS 7.1) via USB tethering of the default iPhone hotspot. When I connect them to my iMac, they have the same static IP and can only be separated on the iMac because they ...
0
votes
1answer
34 views

NAT and UDP replies by default

If I send UDP packets from Machine A with local port M behind a NAT to Machine B's port N, where Machine B is outside the NAT (elsewhere on the Internet), can I reasonably expect that NAT would pass ...
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0answers
52 views

Can't open NAT for mw2 with Wimax connection(PC & PS3)

I'm in contact with my ISP and we are struggling to get open NAT, (since is Wimax I think we can open NAT only on their backend) We've tried uPnP enabled, DMZ and opening ports on their backend, but I ...
0
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1answer
101 views

iptables does not seem to be applying SNAT to packets sent on a raw socket

I'm writing packets from a user space program to my wireless interface wlan0. I've set up a SNAT rule with iptables as follows iptables -t nat -A POSTROUTING -o wlan0 -j SNAT --to 192.168.1.3 And ...
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0answers
94 views

Disable NAT and have a direct WAN - LAN connection with just one PC?

I have a pretty old router which is behaving rather weird with UDP port forwarding (Seems to be blocking/not routing incoming connections). I need it to behave such that the cable is directly ...
0
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0answers
146 views

How to setup a ASA 5505 behind a captive portal and start a VPN NAT

I'm currently in the situation that I connect to the internet via local network with a captive portal for user authentication and transparent HTTP proxy. During peak hours the proxy slows down to ...
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0answers
29 views

Trying to figure out NAT between modem and router

I just bought a new DSL modem and I'm trying to set it up optimally for my small home network. There are a few computers and smartphones which access the router which handles ethernet and Wi-Fi, then ...
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0answers
355 views

Setup router with 2 seperate LANs, one that pipes thru VPN, one that doesn't?

I use a VPN at home for privacy, but there are times where you do want your true public IP to be known. Like for Google Maps, or pizza. I currently use a software-VPN tool on my computer for this, but ...
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0answers
62 views

vmware player nat network mode not assigning ip to guest os

Hi i am trying to run suse 10 on vamware player. I have the network adapter set to NAT mode however the suse is not being assigned any ip address. Any ideas what might be causing the issue? Thanks
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0answers
260 views

How to configure Kali in Virtualbox using NAT behind a corporate proxy

I recently installed Kali as a VM in virtualbox. My company uses a proxy that authenticates using domain credentials. I have included this information in apt.conf and the http_proxy variable (though ...
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votes
2answers
155 views

Switching to IPv6 - Do I need a router? [closed]

In the future, since every IP (IPv6 adress) is going to be global, we don't need to use NAT. So basically, why do I need a router on an IPv6-only global network? Why not just replace my router with a ...
1
vote
1answer
47 views

How to forward a port in VM which is behind NAT

I see a few questions similar to my but, they didn't answer my question. I have a router. I have installed Debian in VM and setup a ssh server on it. I want to forward a port for this machine on my ...
1
vote
1answer
408 views

SSH and PWNAT for SSH Connection Between Two Separate NATs

Is it possible to use pwnat and SSH to establish a "peer-to-peer" SSH connection between two machines that are behind two separate firewalls/NATs? If this is possible, what are the steps that would ...
0
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0answers
50 views

ShrewSoft VPN, multiple users with same external gateway issues

I have a VPN firewall, we can connect more than one user if using different external gateways. If we have more than one user with the same external gateway then only one can connect and keep pinging ...
0
votes
1answer
43 views

Windows wireless bridge with NAT

Here is my setup: I have a robot that I want to access remotely, but there is no wired connection. If the robot was configured to DHCP, I think could bridge the wired and wireless connections on a ...
0
votes
1answer
170 views

How to re-enable NAT on Netgear CG3100?

I just accidentally disabled NAT on my CG3100. Now I only have 4 public IPs for all the devices. I really need to re-enable NAT on my CG3100. How do I re-enable NAT on a CG3100?
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0answers
210 views

port forwarding in windows 7 to vmware

I have a windows 7 in a network with ip 10.1.1.74 and I have vmware with centos which it's ip is 192.168.160.129 and has configured as NAT with my local windows 7. I have set up a apache httpd server ...
-1
votes
1answer
80 views

Double NAT with access to both gateway web interfaces

I have a Cisco Linksys E3000 home router that I appreciate. However, my new (but temporary) ISP will want me to use their Huawei router for their service once I get connected next week. This creates ...
0
votes
1answer
307 views

Switch with NAT/port forwarding?

I'm sorry for this basic question, but I'm stuck. I'm looking for some networking equipment that allows me to route WAN traffic (internet) to a client on a local LAN based on TCP/UDP port. That is, ...
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0answers
68 views

How to see my own domain from host server?

I'm using Apache 2.4 running on a Windows 7 machine that is behind a NAT using port forwarding and I'm unable to use http://example.com from that machine, although it works fine from any other ...
0
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0answers
99 views

How to create 2 NAT network types in VMware Workstation 9?

I have a virtual domain network using the VMnet8 (NAT) adapter which simply consists of 2 VM; Windows Server 2012 and Windows 8.I have disabled the DHCP service from the VMnet8 setting due to WIndows ...
0
votes
1answer
72 views

Why from a virtualized Ubuntu system I can't discover the ip address of my router?

I am not into computer network and I have the following problem finding my router IP address. I have a Windows 8 PC on on which it is installed VmWare Workstation that virtualizes Linux Ubuntu. The ...
1
vote
1answer
53 views

How can I specify which network to use for internet connection and which for viewing network computers

I have two Network Adapters on Windows 7 64 bit operating system which is installed on Oracle Virtual Box. I created those two adapters as follows: NAT VirtualBox Host-Only Ethernet Adapter If I ...
0
votes
1answer
367 views

How can I bypass my modem with NAT to open my ports to the outside?

My Internet provider gave me a Modem-Router with WiFi capabilities but it has all ports filtered for incoming traffic. What I'm trying to do is to use NAT in someway that allows me to recieve incoming ...
0
votes
1answer
71 views

Connect to internet through two gateways

I am developing a library to perform port forwarding in NAT devices. Using SSDP (de discovery process) I can see two different UPnP servers that implement WANIPConnection service type, one is my ADSL ...
1
vote
1answer
415 views

Where to place a port-mirroring switch for home network monitoring

I want to start monitoring traffic that goes in and out of my home network. I'd like to collect information like bandwidth usage and (specifically) HTTP requests from home computers to websites. From ...
-2
votes
2answers
281 views

How can i find the ISP IP allocated to my Router?

I am using Router to connect to internet. How can i find the ip address allocated to my router by isp in windows 7? I cant use whatismyip.com since it will give shared ip if i am behind a CGN.
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0answers
248 views

How to expose local loopback to (VirtualBox) VM connecting to host via NAT (VirtualBox NatNetwork)

I'm using the VirtualBox NatNetwork type to connect most of my VMs to the host (with the required ports set up for forwarding). I'd like to know how I can connect to the local loopback ("localhost") ...
2
votes
2answers
57 views

Port based routing, 1 public mapped to multiple private ips

Simply put, I want this single public ip mapped into different private ip's based on port 111.1.1.1:80 -> 192.168.1.1:80 111.1.1.1:443 -> 192.168.1.2:443 is this a standard and possible?
0
votes
1answer
46 views

ADSL device providing No NAT DMZ alongside NAT (IPv4)

I have an ADSL modem/router/switch which performs NAT. It does this even for the one host it can be configured to provide a DMZ. I want to be able to perform Nmap scans from a specific host and there ...
1
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0answers
42 views

A lot of random NAT tables appear

My brothers Mac seems to be infected. It keeps on sending UDP and SYN floods to our router, and it multiplies my ping 10 times.When I look in the NAT Mapping table there are a lot of random address ...
2
votes
1answer
3k views

Fedora 20 NAT Configuration with firewalld

I'm trying to set up a simple masquerading gateway that will bridge between an internal network on ens33 (192.168.1.0/24) and a private network on ens37 (10.0.1.0/24). It's a VMWare image with two ...
0
votes
2answers
180 views

cisco wireless router not allowing full tcp handshake when in router mode

I have a recently-purchased cisco rv220w wireless router. My setup is as follows: Internet -> asa 5505 -> 10.0.1.0 subnet -> wireless router (subnet 10.0.3.0, public facing ip is ...
1
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0answers
44 views

Xbox to Sonicwall TZ180 [closed]

First, not sure if this is the right place to post this. I have a Xbox 360 hooked up to a SonicWall TZ180. The SonicWall is then connected to my TP-Link router which is downstairs. When I play games ...
1
vote
1answer
127 views

Implementing a direct TCP link between computers hidden by a router with a server managing the connection

I'm working on an encrypted chat program and I'm trying to work out a way of sending messages directly between two computers which are hidden by a router (each have their own local IP address and are ...
0
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0answers
163 views

Running Hyper-V Manager behind NAT

I am running Hyper-V Manager on a Windows 8.1 box behind a router (actually a VMware Fusion VM). When I try to connect to my Hyper-V box, I get an error RPC server unavailable. Unable to establish ...