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

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60 views

Is it possible to route all traffic on VirtualBox host adapters to guest?

I am upgrading Ubuntu 8.04 on a dedicated router/firewall/NAT/SMTP/SSH server with a current Linux (Debian Wheezy). I am using VirtualBox (4.2) with Ubuntu 8.04 as host and the new Debian build as ...
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1answer
8 views

Use local gateway for internet access, but stil have the vnet accessable, tun interface

I did setup a OpenVPN server on a Fedora 20 VPS, I can connect to the server itself and its services via the vnet just fine. # +<tun>+ VNET <tun>-<eth> +------------+ # | ...
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3answers
50 views
+50

Application Optimized Routing on a load balancing router?

Ive got 2 incoming broadband lines both c.10mb down / c.0.8 up. (one line is slightly faster than the other) Ive recently setup a TP Link - TL-R470T+ Load balancing router after researching it and ...
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0answers
7 views

Main Router with a subnet from another router

I have a Cisco X3500 providing the internet to a small network. The network config is: IP: 192.168.1.1 Mask: 255.255.255.0 GW: 192.168.1.1 DNS: auto from ISP I have connected a second router ...
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2answers
26 views

Host cannot reach guest via VirtualBox host-only network

In VirtualBox on Windows, I have a guest running Ubuntu Server, with the apache2 and openssh-server services running. The configuration file /etc/network/interfaces gives it a static IP of ...
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1answer
30 views

Windows 2 NICs same subnet and different networks

I'm a bit puzzled about an issue I had today (btw i'm not a network expert, even less a Windows one) Suppose I have 2 NICs, Wi-fi with address 192.168.1.71/255.255.255.0 Ethernet with ...
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0answers
21 views

How to keep log of sites visited by remote access users in server 2012

I would like to know if its possible to keep a log of the websites visited by the users connecting to my server using a PPTP connection. The VPN server has been configured using routing and remote ...
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1answer
11 views

Hot to setup 2 network adapters on ubuntu with vmware

I've have an idea of following configuration: Image 1: Ubuntu with GUI in LAN segment, static configuration Image 2: Server-Ubuntu in the same LAN segment, plus second network adapter in NAT-Mode to ...
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1answer
22 views

ip routing on centos

My server has two network interfaces. I set ip address as 10.254.1.5/16 and 172.16.20.40/16 and default gateway 10.254.1.1/16. 172.16.0.0 network between the two devices. This network is not ...
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0answers
17 views

Segregating/Separating a device (ATT 3G Microcell) from internal network without using DMZ

I would like to put the ATT 3G Microcell in an isolated network from a network that has the rest of my devices, by which I mean I want the ATT 3G Microcell to only be able to access the Internet, but ...
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1answer
23 views

How to use different gateways for different IP addresses when connected to multiple gateways - Win7

My office has a LAN and a Open ADSL (without proxy) via WIFI. Though I'm connected to both I can't use them same time. So How am I edit and add routes so for specific ips uses different gateways. I ...
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0answers
15 views

Can I drive all traffic on a local network to a node.js page?

I have a TP703n router which I have flashed with Open WRT. What I aiming to do is to configure it so all traffic attempting to connect to a page will be directed to my node.js server. I do not not ...
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0answers
20 views

IP forwarding on windows 7

I want to redirect incoming traffic with a specific IP destination address coming to my computer to proxy server working on this PC (C# app). I tried to accomplish it by using netsh interface ...
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0answers
4 views

Allow PPTPD Clients to Communicate

Ive set up a PPTPD VPN server on an Ubuntu 12.04 Machine. I have 3 machines connected to it, 2 of which are on the same network and one that is on a separate network. All 3 are on the VPN, and can ...
1
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1answer
33 views

How to use one nic for storage traffic & other for network traffic?

I have a Slackware Linux machine with two network interface cards and I want to use one interface for network traffic and other for storage traffic. As this is Slackware, I don't know if this could ...
0
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1answer
45 views

Routing internal traffic in centos to the internet using iptables

Hello friends i am struck in routing traffic from the office to internet i have a network structure like this http://asthana.me/images/ip.png I have assigned static ip to the cent os server(which ...
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1answer
19 views

Policy route by source MAC address

I have a requirement to perform MAC based policy routing on embedded Linux platform (desktop Linux example will work as well) . I have examined the man of ip route add command and did not found ...
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1answer
39 views

Bind incoming packets to 1 interface and outgoing packets to 2nd interface?

I am have a Linux machine with 2 network interface cards, I need to use one for incoming packets, other for outgoing packets.
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0answers
30 views

Browsing specific website with specific DNS server

My OS is Windows 7 and i want to browse certain websites with certain dns server. Unfortunately our goverment banned twitter and youtube but i can get access to twitter when i change my dns server ...
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0answers
18 views

Why does windows route ignore metric?

After adding a test route and subsequently deleting that entry, I noticed that it also removed another entry with the same Network Destination. I then tried to recreate that entry with the same metric ...
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2answers
30 views

Mobile Broadband, Windows, Router routing

I have a DGN2200v4 router (192.168.0.1), connecting 3 PCs. DHCP is enabled by default. One pc have a wifi broadband modem connected to internet (10.220.3.6) let say, router DHCP ip (192.168.0.2). I ...
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4answers
84 views

How does a Windows computer behave when it has multiple default gateways?

I have a computer(Windows XP) connected to two network interfaces, these two interfaces are connected to different networks and they are configured to receive a DHCP configuration, which means that ...
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1answer
32 views

Difference of `route` and `ip route`

I'm using arch-linux. route and ip route give basically the same information to me. But route takes much more time than ip route. What is the reason?
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0answers
12 views

Can I set exceptions for proxy routing in dd-wrt firmware?

My Kindle paperwhite can't access internet through proxy (no option to set proxy settings). So, I plan to buy a dd-wrt compatible router in which it's possible to specify proxy settings in the router ...
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0answers
9 views

add to table not working with ip route

i have added two table names wifi and voda to /etc/iproute2/rt_tables. 255 local 254 main 253 default 0 unspec 1 wifi 2 voda Now i am trying to add rule to the ...
0
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1answer
17 views

Routing packets from one host to other on Linux

I have a server and a pc. Both installed Ubuntu. server has docker installed, and I want to route my packets from pc to that server. Both ifconfig outputs: (relevant parts only) server: docker0 ...
4
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1answer
119 views

Understanding Windows Routing Tables and Default Gateways

long-time reader, first-time poster! First, let me thank you all for reading this post, and for having such great answers to everyone's questions. I think this is the only time I've had to post ...
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1answer
105 views

How to configure pptp vpn client on ubuntu server to route specific traffic?

I installed and ran successfully a pptp vpn client on a ubuntu server (aws ec2). I want to be able access certain websites through this vpn. However, still able to ssh and connect to server. $ route ...
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0answers
14 views

Are the network interface card same in all cisco devices

I have old cisco 2600 routers but they dont have any network interface card My friend has cisco pix firewall which has network card attached with 4 ports so can i pull the network card from cisco ...
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0answers
18 views

Do I need to install some license on cisco firewalls

I have bought a cisco pix 525 old firewall from auction. Before resetting it to factory settings for password reset. I want to know does it need some sort of licence and do I need to enter some key ...
0
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2answers
35 views

Use second network interface as private network

I've got two RJ-45 network interfaces built into my motherboard, and the second one is currently of no use to me. I would like to set it up so that I can plug routers into it and then access their ...
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0answers
26 views

Ping issues and configuration issues

My host machine has an IP 10.116.65.150 and my secondary machine is part of the same network. (( I did connect my laptop to the same ethernet and switch link as I had connected my secondary machine ...
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2answers
47 views

Sending multicast packet with source IP equal to virtual interface IP in Python

I have a system with a virtual network interface eth0:1, and I want to send multicast packets that have a source IP of that interface. However, my packets end up with the source IP for eth0. How do I ...
0
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1answer
23 views

How can I route Host traffic through Guest VM?

I am wanting to test out OpenWRT, and I am using VirtualBox on windows to muck around with it. Is there anyway I can route the host traffic through the guest openwrt VM? The openWRT VM has the lan ...
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0answers
33 views

How to stream WiFi cameras over a Linux gateway to my laptop using iptables?

My setup is as follows: Linux gateway has one WLAN configured as WiFi client (192.168.0.100) to a Linksys WiFi AP(192.168.0.1). There are three WiFi cameras connected as WiFi clients (192.168.0.101, ...
0
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0answers
12 views

Can't SSH into a computer that is connected to a VPN

I set up a linux machine with an ssh server that I can connect to from an external network. When I have the server computer use a private VPN though, I can't ssh into it remotely anymore. Is there ...
0
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0answers
67 views

How to route Public IP?

We have leased a routed block of public IPs (example: 123.45.67.89, 987.65.43.21 etc.) that will be used for our 10 public web servers (eventually). These servers need to be placed outside the ...
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0answers
18 views

Route private IP through specific interface

Setup: Server is running on Ubuntu Server 12.04 LTS. A server with public IP on eth0. An intranet (MAN) on eth1 where server's IP is 172.30.160.150, network is 172.30.160.148/30, and remote point ...
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1answer
99 views

Odd packet loss through NAT with two WAN interfaces

I have got a Linux server machine which I also use as network gateway / "router". It has three network interfaces active – two network interfaces connected to the internet over different ISPs and the ...
0
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1answer
27 views

creating a network between localhost and virtual machine

Ok I have this machine of mine in a network (in an external domain) and I would like to create in it a virtual machine, which should be able to connect and communnicate with the host (main machine) ...
2
votes
1answer
31 views

Is traceroute output correct concerning the actual path to a target

The man page for traceroute says " traceroute tracks the route packets taken from an IP network on their way to a given host." , but while doing research on the topic I was not able to find any ...
1
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2answers
35 views

How to find the IP address of a router

I live in a dorm where many students have setup small wireless networks. There are two of this networks that are very close to my room as the signal is very strong. Our college uses DHCP to assign IP ...
1
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1answer
41 views

split routing with two PPPoE connections

I have a debian wheezy box running, which is supposed to function as router / firewall / webserver / samba server [...]. I have two accounts from my ISP: acc1 with one static IP, and acc2 with dynamic ...
0
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0answers
55 views

How to setup two-way routing with Tomato Wireless Client mode (different subnets)

Currently I have a Netgear R7000 as my main router, with internet coming from a Moto Surfboard SB6141 Cable Modem. I have a Linksys E3000 running Toastman TomatoUSB connected to the R7000 as a ...
0
votes
1answer
14 views

Connect ddwrt with Server via VPN

I have a Server in the Internet and an dd-wrt Router behind some Firewalls. I would like to have Access to the dd-wrt via the Server. The only way to accomplish this is to have a VPN connection from ...
1
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2answers
157 views

Multiple IPs on Multiple NICs same subnet

So, I've got two NICs: eth0 eth1 and I have multiple IP addresses assigned to each: auto lo iface lo inet loopback allow-hotplug eth0 iface eth0 inet static address 10.0.0.194 netmask ...
2
votes
1answer
46 views

How to calculate route in *Maps just by calling a URL?

Before Google Maps got its new "full screen" look, I could open a URL that looked something like this "http://maps.google.com/?q=%s" where %s was a string of the format "from: London to: Amsterdam". ...
0
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0answers
65 views

“No route to host” from my laptop while connected at home, while using SOCKS proxy or another computer work fine

This has been baffling me for some time. A single domain (haxe.org) is inaccessible from my laptop (OSX 10.7.5) while connected via my home network. Attempting to ping it results in "No route to host" ...
0
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0answers
11 views

Windows Embedded rerouting traffic to itself

A company installed a Windows Embedded 7 Standard box in a network I manage. The router (includes gateway, DHCP server, nameserver) is located at 192.168.1.1. The Windows Embedded box has the IP ...
0
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0answers
40 views

Routing home server through VPN to bypass blocked ports

I am currently running Windows Server 2012 R2 in a virtual machine on an iMac. The server is serving a site using IIS as of now and I would also like to host an email server with it. Now, the problem ...