The nat tag has no wiki summary.
0
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1answer
22 views
NAT works for Windows guests but not for Linux guests
I have just updated to VMPlayer 4.0.3 (from 4.0.1) on a Windows 7 host.
All the various guests are configured for NAT networking and DHCP, and before the upgrade every OS could reach out the ...
-1
votes
1answer
53 views
NAT vs Port Forwarding
What is the difference between NAT and Port Forwarding? Are they two different names for the same thing? Could you provide me with short practical example, please?
-2
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1answer
23 views
Forwarding the Traffic to my Servers
I have received fixed IP address from my ISP. I have received a cheap router too. I wish to connect my server at home to this IP address.
How to ensure, that outside request to my public IP address ...
0
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1answer
15 views
Cross-platform VPN software in a firewalled environment
I am currently working on setting up a VPN in order to allow the control over some computers. However there are some problems that I am encountering in setting this up
Many (if not all) of the ...
0
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1answer
7 views
NAT on MAC-filtered network
My ISP (Hyperion S.A.) provides internet using a UTP cable with MAC filtering. I'm trying to set up a router so that I can connect multiple computers to the network. Most computers would connect ...
1
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3answers
39 views
In which network layer is the data located that lets a gateway(using NAT) know which computer a packet is meant for?
Main questions:
In which network layer is the data located that lets a gateway(using NAT) know which computer a packet is meant for?
Could someone explain how the process works?
In explaining the ...
0
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2answers
121 views
How to alias an IP address to make DLNA resource accessible from different IP network
what I have
I have a home wifi network 192.168.1.0/24 having DLNA resource 192.168.1.100.
I have a TV with ethernet and a netbook with both wifi and ethernet interfaces.
I want to make my notebook ...
1
vote
1answer
72 views
How to know if I am connected to the internet by NAT or something else that assigns me a public IP address?
I am connected to the internet through a proxy. When I went to What Is My IP, it shows a different address than that of my proxy. It's is showing the same ipaddress even when I connect through a ...
0
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0answers
74 views
Robust way to acces my computers behind NAT and firewalls?
I am searching for a robust way to access my computers (on any port when possible) whether they are behind several NAT gateways or not. By robust I mean I want to access the computers whenever they ...
0
votes
1answer
77 views
Forward Ports to a computer on the guest network (AirPort Extreme)
Is it possible to forward ports (ex: 80, 443, 21, 22, 23, 25, 110, 143, 3389, ...) to a computer on the Guest network a of AirPort Extreme ??
I have the both network enabled and I want my child to ...
0
votes
1answer
38 views
Push local traffic “outside” the nat
I have a server functioning as my nat that hosts some services. When I locally connect via UDP to this server it my client uses the public ip but the server answers with its local ip.
So the question ...
5
votes
4answers
524 views
Why do we have NAT if we could just assign a public IP address?
If the private address block is simply used to allow the router to determine where packets can and cannot be forwarded from (because private addresses need to be unique on their own network, but can ...
2
votes
2answers
408 views
Frequent connection drops when playing online games (StarCraft 2, Battlefield 3) and behind NAT - how to diagnose?
I am having some trouble with (I suspect) my wireless router. It's connected to the internet with a regular lan cable and has a static, public IP address. Our two home PCs connect to the router with ...
1
vote
2answers
128 views
How can i setup a guest-guest network connection with virtualbox?
I have setup multiple guest hosts with NAT networking. On each hosts i have some portforwards so i can connect from my host (like 2222 to 22 host 1, 2223 to 22 host 2, ...).
How can i setup a ...
0
votes
1answer
64 views
Usage of two Routers on LAN
I've currently own a Linksys E4200 and a Thomson 546v6.
Because I have an IPTV service I must set the Thomson as the main router connected to the phone line so that I can distribute the video signal ...
0
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0answers
47 views
How do i NAT reflect my 2wire HGV-E
Guys lets make this short and quick. Do anyone have any method to do a NAT loopback feature for 2wire HGV-E router ?
My WAN ip : 116.15.xx.xx
My PC LAN ip : 192.168.1.85
My WebServer LAN ip : ...
0
votes
1answer
65 views
Stopped windows firewall service during ICS, how is this possible?
Although windows firewall is required to be on when you "start" Internet Connection Sharing, you can stop the WF service with MMC. When done a client can still use the host machines internet. The ...
2
votes
5answers
702 views
How to get my external IP address (over NAT) from the Windows command-line?
The Windows "ipconfig" command can only show me the parameters from the Ethernet interfaces from my machine (even with the "ipconfig /all" argument). It can show detailed information about the ...
2
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0answers
278 views
How can I connect DLNA devices through NAT?
I have a Windows 7 PC running Serviio as a DLNA server. I have a Samsung I9100G running Skifta as a DLNA renderer (client). My network topology:
At the moment, I can connect and watch my videos ...
0
votes
1answer
143 views
Setup a vpn server with a static IP with NAT and port forwarding
I have a Debian VPS with an assigned static IP. I want to setup a virtual interface (with an ip like 192.168..) on my laptop (Ubuntu, dynamic IP) linked to the remote VPS, so that if I bind sockets to ...
0
votes
4answers
82 views
Are there any home ISPs that offer external IPs for all devices on the network? (No NAT)
NAT is a a real pain, and the large address space in IPv6 doesn't need it. Are there any ISPs that offer actual home routing, giving each computer a global IP address, rather than a local one?
This ...
0
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0answers
355 views
iptables trouble: nat with ip alias (virtual interface) not working
I'm setting up an Ubuntu 11.10 server to act as firewall for a network running several different SSL websites. The idea is fairly common: have all public IP's for each site aliased to the public ...
1
vote
5answers
144 views
How do sockets deal with routers?
(Not sure if this should be on the unix stackexchange site...)
When I make a socket I use IPv4 and a port number. So if I know both of these, but there's a router set up (on a home network; just ...
0
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2answers
99 views
How to identify internal ports and external ports that are mapped by NAT by the router?
For example, my HTTP port 80 is opened and mapped by the router to port 42300 facing outwards.
Is there a way to identify , let's say my port 150 that is open for connection is mapped into what ...
0
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1answer
95 views
Connecting to my own network via external IP
Even though I have seen and read quite a few similar Q's I was still unable to understand what is required for me to be able to do this.
I have an internal network. One of the machines is a web ...
1
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0answers
111 views
VMWare networking mode (NAT)
I've created a new WinXP vitual machine on my win7 using VMware player. This virtual machine is using NAT (10.0.0.0/24) and has a WAMP server running. I want this to be NAT as I want the server to be ...
0
votes
1answer
374 views
Will disabling NAT on my wireless router cause a performance hit on my DSL router?
I have a Thomson TG508v2 router/modem and a brand new AirPort Extreme connected to it.
At first, I set the AirPort Extreme to "share a public IP", which enables DHCP/NAT. Everything works great but I ...
1
vote
1answer
364 views
VirtualBox NAT over proxy
I use VirtualBox 4.1.8 on a Ubuntu 10.04 host system. I have an HTTP proxy server on the host system.
How do I configure the VirtualBox to NAT the virtual machine's network and use the HTTP proxy for ...
0
votes
1answer
37 views
A server which uses 2 IPs and is needed to give service (under NAT)
I have an internal server, which uses a certain service. This service listens on a port, and speaks on a different port. The problem with the service is that it can't listen and speak on the same IP ...
1
vote
1answer
36 views
Why Wireless NIC Loses Its Lease To Router?
This constantly started to happen some time ago. I connect to my router andand lose every few seconds connection to router and it reconnects again. I have screenshooted most errors that Event Viewer ...
0
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0answers
270 views
Configuring Windows Server 2008 NAT with Advanced Firewall
i have moved from an environment where windows server 2003 was acting as a NAT server as well as an integrated firewall (this firewall acted on all packets regardless of their destination)
now i have ...
0
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0answers
211 views
VirtualBox - Cannot talk to guest via Host-only
I am running CentOS 6.2 with SSH enabled on Windows 7 and I cannot access CentOS via my host.
I have 2 adapters runnings, 1) Host-Only and 2) NAT.
My problem is very similar to this one and I have ...
0
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0answers
109 views
filtering Internet traffic and caching on another machine using a dd-wrt router
In my home network, I have a spare machine which I would like to configure to filter Internet traffic (block ads) as well as cache content. I would like to tell my DD-WRT router to pass all Internet ...
0
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0answers
120 views
NAT for Sprint Nexus S “Portable Wi-Fi hotspot”
I am on a 2010 Macbook Air connected to the web over wifi tethering on my Sprint Nexus S.
I want to be able to host a few files using MAMP, but it seems that Sprint is running a NAT. When I query ...
2
votes
1answer
143 views
How to go around a modem's port forwarding incapabilities
This custom cable modem my ISP gave to me does not support forwarding an external port to a different internal port. (For example, I can't forward an incoming connection on port 80 to port 3389 on my ...
0
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1answer
120 views
Why does NAT64 require DNS rewriting?
When a IPv6 only host wants to reach a IPv4 only host, why does the DNS server (or possibly the NAT-PT gateway?) have to rewrite the A responses to AAAA?
Couldn't IPv6 simply embed the IPv4 address ...
-2
votes
1answer
74 views
What are all of these NAT terms? [closed]
I (loosely) know about Network Address Translation (NAT) in that the NAT device stores a mapping of external ports to internal ports. However, I started reading about it and got really confused by all ...
7
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2answers
164 views
What do the various IP addresses mean?
When I visit a website (e.g. whatismyip.com) it states that my IP address is 13.151.xxx.xxx. However, when I run ipconfig, my IP address is 192.168.0.xx for IPv4 and my DNS adress is 202.xx.xxx.xx.
...
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0answers
288 views
Mac OS X Lion - forward all connections on port 22 to external ip
I need to forward all connection to any address port 22 to a different gateway (i.e. no default).
Firstly I suppose to do it with ipfw:
sudo ipfw add 5 fwd $EXTERNAL_IP,22 tcp from any to any 22 ...
2
votes
1answer
52 views
Multiple Servers, externally, through single IP
Let's say, I have a server which is directly connected to the internet (no firewall), and sits on 66.77.88.99 externally and internally sits on 192.168.0.1. I have my domain's records set up so that ...
2
votes
2answers
421 views
VirtualBox network configuration
I have a CentOS 6.1 virtual machine, virtualized with VirtualBox on Windows XP. This machine hosts my local development MySQL server.
I'd like to find the correct network configuration, so that:
my ...
0
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0answers
159 views
What's on /etc/nat folder in OS X Lion?
As I tried to edit /private/etc/nat/autoportmap.plist, I accidentally modified permissions on the nat folder and asked Lion to apply it to enclosing items (I was giving myself write permission). As a ...
2
votes
2answers
171 views
Is it possible to statically assign public IPs and use DHCP on the same router?
My ISP has given me a set of public IP addresses I can assign to various devices.
But they have been controlling everything, and I've had to call them to make any changes to the configuration.
I'm ...
0
votes
1answer
366 views
Why is this iptables rule that does port forwarding not working?
I have a server bound to localhost:7060. It is using ipv6 socket instead of ipv4. Below is netstat outout.
# netstat -an
Proto Recv-Q Send-Q Local Address Foreign Address State
tcp ...
1
vote
1answer
172 views
Linux PPTP VPN and gateway woes
I have an Amazon Linux machine running in an Amazon EC2 instance.
I am connecting to my office's VPN as follows:
sudo pppd pty "pptp pptp.<DOMAIN>.com --nolaunchpppd --loglevel 2 --debug" file ...
0
votes
1answer
250 views
How can I route internet traffic via another computer to sniff the connection?
I need to do port forwarding on Windows 7.
I have machine A that runs a program, which connects to the internet. I need to debug this connection, and I can't install a sniffer for checking the packet ...
1
vote
2answers
386 views
How to access a computer behind two NAT routers?
For technical reasons that I cannot change my computers at home are located behind two routers, only one of which (the one connecting my own network) I have control over.
Basically the setup is
...
1
vote
3answers
40 views
How is an HTTP proxy different from a NAT box?
A host in a LAN with IP (10.0.0.1 TCP port 8888) connects to a server without knowing there is a NAT box at the network edge. The NAT box is dumb and just translates port 8888 to some other port 5555 ...
2
votes
2answers
123 views
How can I access an IPv6-only host from a Windows 7 computer behind an IPv4-NAT?
I have a computer with Windows 7. It's connected to Internet via an IPv4 NAT router. How can I access a host that is only accessible with IPv6?
Is there an easy way to configure the Windows 7 Teredo ...
0
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0answers
179 views
VMware Workstation NAT Connection Dropping issue on Ubuntu Host
I hope someone can help me with this issue. We currently have VMware Workstation setup on an Ubuntu 10.04 host with NAT networking configured for the guests (b/c we don't have a router at the servers ...
