Questions about using a router/networking, e.g. port forwarding, VPNs

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Domain based routing over VPN

I want to setup this weird topology. In a PC I'm designating as a router, I have two regular Ethernet interface and one PPTP interface. I'll name them as eth0, eth1 and ppp0. I have a regular IPv4 ...
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15 views

Mac: Order of networks in Network System Setting vs. “route change default -interface”?

If I arrange the networks in my Mac's System Settings:Network so that en1 comes before en0, and then go to the command line and type "route change default -interface en0", who wins? Does the order of ...
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0answers
92 views

Why does my cable modem have two IP addresses?

The internet setup at my home is as follows: I have a cable modem (192.168.100.1) connected with a coaxial cable. The cable modem is connected to a wireless router (192.168.1.1) via an ethernet ...
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38 views

Create a subnet with 2 FritzBox

I want to create a network split in a Main network (192.168.111.0/24) and a Subnet (192.168.100.0/24). In my Main Network I have a FritzBox 3370 WLAN, as a Router, that is connected to the Inertnet. ...
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36 views

How to route traffic between two different networks

I've got two different physical networks in two different buildings connected through a wireless point-to-point. In both of them I have an ISP Modem/Router in which the wireless point-to-point is ...
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11answers
79k views

How can I make the Windows VPN route selective traffic (by destination network)?

I want to use a Windows VPN but only for a particular network, so that it doesn't take over my entire network connection. e.g., Instead of the VPN becoming the default route, make it only the route ...
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16 views

Configure WatchGuard (or any router) to route data but keep MAC Address

I'm looking for a solution other than bridging my network to keep routing the data traffic to my different subnets, but to force the router to label the outgoing fragments with their original MAC ...
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1answer
92 views

What does 0.0.0.0 gateway mean in routing table?

I am new to being a Linux system admin and I am learning about routing tables. Currently I have two interfaces in my virtual machine: vagrant@vagrant-ubuntu-trusty-64:~$ ifconfig eth0 Link ...
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42 views

Safe way of routing WiFi traffic through a VPN connection

my setup is the following: I have a cable modem with WiFi, Ethernet ports etc., working well. Behind that, I have set up another WiFi router (Linksys E3200) with Tomato USB. My purpose is to have a ...
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37 views

Route Ip on Windows, To share internet connection of the server via VPN

It's my first VPN connection. There is the situation: DEVICE: iPhone <====4G-INTERNET====> Home internet access <==> PC (server VPN) windows IP(device on ...
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1answer
22 views

How do you force linux to treat a tcp packet as if it were at the destination ip?

The situation: A tcp packet arrives on eth0 with destination 8.8.8.8. This packet meets some criteria that makes me want to intercept it (lets say I am interested in all packets from source ...
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1answer
27 views

Forward RDP port on WinXP router to computer in internal (NATted) network

So I have Windows XP serving as a router (two NICs - one internal, one external) NATting internal network with access to the internet (through external NIC). This external NIC has publicly accessible ...
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3answers
11k views

Routing sound in Windows 7 to separate devices [duplicate]

When I'm running games through Steam (for example Skyrim), I like to use my Razer USB headset and I would like to have devices such as Google Chrome or VLC etc. playing through my speakers at the same ...
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0answers
58 views

how to capture “DROP”ped packets on OUTPUT of iptables?

having a fairly complex OUTPUT processing on iptables, how does one go about capturing / displaying (at least similarly to how tcpdump captures them) the packets that were to leave through an ...
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1answer
248 views

How to link two routers LAN to WAN

My former modem was replaced by a all-in-one modem/router (10.1.9.1/24) after a speed upgrade. I still have my DD-WRT router (10.1.10.1/24), which I want to be my main router, i. e. as DHCP server, ...
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2answers
143 views

Router to Firewall to Internal network NAT with Single Public IP

In an effort to learn more about networking I have picked up some old Cisco equipment for home use. I have a 2811 router, a PIX 515e firewall, and a switch (don't remember the model). My incoming ...
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1answer
159 views

How to communicate (route traffic?) across two different subnets

A home networking question. I would like hosts on different networks (subnets?) that use the same internet connection to communicate. Two routers, 192.168.2.x connects to the the internet and ...
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1answer
73 views

How do I protect my hosts in an IPv6 world?

I realize that IPv6 adoption is a long way off but I'm trying to understand the basics in order to stay ahead of the curve, and also just for fun. Communicating using IPv6 is no problem. It works ...
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1answer
128 views

Accessing to IP cameras behind TL-MR3020 nano router

What I want to do is connecting several IP cameras to my LAN with wireless router/AP. I have a main USRobotics modem/router/AP (192.168.1.1) and all my computers are connected to that one using ...
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0answers
10 views

Unwanted routes appear after reboot

I installed Debian Jessie on my laptop. I used the ethernet port. I installed the drivers for wifi, and verified that the wifi worked. I disconnected the ethernet and rebooted the laptop. I indeed had ...
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2answers
403 views

Yet another routing issue in OpenVPN - Cannot access local machines while on VPN

This is probably going to be quite a lengthy post because I want to make sure I don't forget anything. This is likely a very trivial issue but I can't figure out what's wrong with my setup. Scenario ...
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1answer
28 views

Openvpn client routing not always working

I use a server with openvpn and pptp daemons. In iptables I have rules to give some pptp clients permission to have contact with other clients through pptp or openvpn tunnels, available on the ...
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59 views

Windows 8: Ping Result : General Failure after disconnect from vpn

In Windows 8 When i connecte to the vpn and then disconnect from it, i get general failure. PING: transmit failed. General failure. the routing table are: Network Destination Netmask ...
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0answers
82 views

Routing traffic around VPN

I recently setup a OpenVPN client on my HTPC, however once I connected to the VPN server I was no longer able to remotely SSH or connect to the other servers I had running on the HTPC. I followed ...
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0answers
21 views

Routing TCP traffic through cloud server

Is a scenario like this possible: Windows machine 1 (behind NAT) connects to a cloud server 3 (no NAT) Windows machine 2 (behind NAT) connects to the same cloud server 3 (no NAT) Is there a tool ...
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108 views

Route between two OpenVPN tunnels

I need to set-up something like this: Clients - OpenVPN_tun0 - Int_Server - OpenVPN_tun1 - Ext_Servers - public_internet Both OpenVPN tunnels are up and running using 'dev tun', but I have ...
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196 views

OpenVPN on Windows: clients don't see network behind server

I set up my openvpn server on Windows 7 pc. Client is connecting to server succesfully, so my port is forwarded to openvpn server. I'am able to ping 10.8.0.1 address from client. And that's all, but I ...
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2answers
69 views

Windows 7 routing with single NIC

I have a PC with single NIC running windows 7. This PC is a member of 180.x.x.0/24 network and is internet accessible. Now, my brother brought another PC with single NIC. I want to make it also ...
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2answers
38 views

Why next router have smaller response time than previous router in mtr?

In other words why first host have 20.4 ms response time but second host have 15 ms response time. As I know for access to second host must pass through first host, Is that true? Why is this ...
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2answers
30 views

connect from one workstation to another that is on a different IP range?

This is my setup below. Router A is the main router. I am on workstation 1.100 (that gets an IP from Router A via DHCP). Router B has an ip with 10.1 at the end but gets the "internet or WAN" via ...
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0answers
31 views

Application specific routing in windows

Would it be possible to make a specific application to use a specific route to access the internet? Well this is my scenario: my laptop is connected to two gateways one with ip address 10.10.10.1 ...
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1answer
73 views

Configuring routing for two networks (one internal, one external)

Here's the situation. My Mac connects to two networks - one internal, one external. The internal DNS works for both internal and external URLs, the external DNS (obviously) knows nothing about the ...
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1answer
37 views

Route traffic through different interfaces randomly

I'm connected to one server from multiple VPN [pptp] connections and each connection gives me a limited bandwidth. When I connect to multiple vpns windows sends all traffic through the last connected ...
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21 views

Open-WRT Receive network over WIFI and share on LAN port

How can I configure open-WRT to connect to a wifi network and then share that connection via one of the LAN ports on the router?
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1answer
88 views

How does Windows 7 store a mapped network drive? I have one that cannot be deleted, and connects in spite of a required VPN being inactive

When I type \\192.168.1.2\ into Windows Explorer on my desktop, it is connecting to another one of my servers halfway across the state of Pennsylvania and I have no idea how. I have absolutely no ...
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1answer
82 views

Mapped network drive cannot be deleted, but shows up in Explorer; connects to wrong server

This is the most bizarre problem I've ever encountered. Summary: A mapped network drive persists in Windows Explorer and cannot be deleted/disconnected (claims it does not exist; net use shows ...
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62 views

Linux, peer addresses and routing between 2 network namespaces

I'm trying to understand something about routing in Linux. I've following devices (veth pairs): veth pair: [ns1-1] <10.8.0.1 peer 10.8.0.2> [ns1-2] veth pair: [ns2-1] <10.8.0.5 peer ...
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Routing only one Program through a VPN/Network card [duplicate]

A user uses a VPN for tons of reasons, Privacy, Evading blockades, or using apps/programs that are blocked on a network, a great example would be a school network! IRC's default port is blocked, ...
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2answers
349 views

Default gateway “dissapears” from the routing table

I use NetworkManager (Arch Linux) in my laptop in order to connect to wireless networks. I use the official GNOME GUI. Everything works fine, but after an half an hour or so the network is still ...
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2answers
40 views

Is there any way to route traffic through certain computer located else where? [closed]

Here is my problem. I'm currently working at a research organization. They have an institutional subscription to some journals, which provide full access based on IP. Problem is I tend to work not ...
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2answers
124 views

How to prevent Windows 7 using VPN gateway by default?

Yes, I am aware of this question. However, I have tried following the answers to the question, and they don't work for me. If I uncheck "Use default gateway on remote network", RDP simply refuses to ...
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1answer
46 views

Share Internet through Arch Linux VM

I'm working with a LAN which is behind a router that I don't control. The router admin has allowed internet access to one IP address 192.168.0.50. I would like to create an arch linux VM at that ip ...
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1answer
62 views

Setup public mirror (?) of internet server on my router

Can I somehow setup a mirror (this is the best word I came with) of a server available in the Internet on a specific port on my router? Here is what I have: ISP provides me with a static IP adress ...
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3answers
115 views

How do I set Input interface is output interface

I have eth0 with IP X.X.X.X and eth0:0 with IP Y.Y.Y.Y. My goal is if I connect to eth0 then output ip shoud be X.X.X.X and if I connect to eth0:0 the output ip should be Y.Y.Y.Y. Example: VPN ...
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39 views

Route Lan IP to Gateway on WAN server 2008

On my windows server i have a WAN and LAN interface. ON my LAN interface the ip is 10.200.0.1/16 and my WAN has an ip of 192.168.20.100 with multiple gateways192.168.20.1, 192.168.30.100, and ...
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57 views

Linux tun interface packet routing

I have questions on the ip packet flow for the following scenario. The scenario is : A tun0 (10.0.0.2/8) interface and a physical wireless lan card wlan0 (ip address not fix) on the client side, ...
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1answer
112 views

Hosts on subnet can only access hosts subnet directly

I recently setup Proxmox as a virtualization host. It is just KVM + Debian in a nice linux distribution. My home network is 192.168.12.0/24. I wanted to use 192.168.14.0/24 as the subnet for all of my ...
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0answers
31 views

Tracerout fails in last hop but succeed from last machine

I have 3 servers : A, B and C. A = 10.1.52.100 subnetMask = 255.255.255.0 defaultGateway = 10.1.51.254 B = 213.56.106.137 subnetMask = 255.255.255.192 defaultGateway = 213.56.106.190 C = ...
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1answer
392 views

Static route between OpenWRT router and TPLink Archer C9

I have an almost identical issue as described here; Static routing on a TP-Link TL-WR1043ND However the answer doesn't work well for me as by doing as suggested my internet speed for devices ...
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3answers
3k views

Multiple network interfaces on a single NIC in Windows

Here's the scenario: Lets say we have a wireless network that imposes bandwidth limit on IP addresses(ie every IP address has limited bandwidth). To get around this, we can obtain several IP ...