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

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402 views

local routing with openvpn : ping: sendmsg: Operation not permitted

I set up a simple vpn with IP 10.0.0.1 using openvpn --mktun --dev tun1 ip link set tun1 up ip addr add 10.0.0.2/24 dev tun1 and I run a simpletun program on two machines which is ...
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196 views

setting up linux routing table for mutliple wifi connections

I would like to increase the speed when downloading large files on a public hotspot by using both a built-in wifi-adapter (wlan0) and a wifi-usb-stick (wlan1). As bonding wifi-devices does not seem ...
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639 views

Route only some traffic over VPN

I would like only some programs/ports (namely IRC) from my Windows 7 computer to send traffic through a VPN while the other programs (web browsing, FTP, etc) should default to not using the VPN and ...
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942 views

How to route traffic from another network to the internet

I am doing a bit of experimentation with my home network and have the following setup: +---------+ +----------+ +-----------+ +----------+ | Host A |_WiFi_| Router A =1)___(2= ...
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122 views

Comcast gateway parental setting block CIDR IP Range

I'm not sure if this is the right place to ask this, but I am having trouble adding CIDR IP ranges e.g. 206.111.0.0/16 to my Comcast Gateway. I went to Manage Sites and it says: Please Input a valid ...
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246 views

need of loopback route in every host's routing table

it is always said that every host's routing table must have a entry for loop back route as shown below: Destination Gateway Flags Ref Use Interface ----------- ----------- ...
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404 views

iproute nexthop not working - defining multiple default gateways

I have several point to point connections and I’d like to use all of them as default gateways. I saw this link which explains how to do this using load balancing by calling ip route with a next hop ...
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304 views

websocket behind a firewall

I have a computer with a strong CPU and a lot of memory (strongy) running Windows Server 2008 R2, that is blocked by a firewall from any access from the outside world. I have a computer with a weak ...
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823 views

Allow access to internet with DD-WRT OpenVPN in bridging mode

I am having issues with my OpenVPN configuration on DD-WRT. All traffic has to be routed through the tunnel. The DD-WRT device is not directly exposed to the internet, so the firewall is disabled. ...
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64 views

Resetting route via cmd

I have recently encountered problems on Windows 8 with my VPN connection messing us my route settings, and I'm wondering if it is possile to reset the setting to a working state by using route, namely ...
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388 views

PPTP VPN connection disconnecting when accesing an IP over VPN

I have two PC lan behind a router. I am connecting to my company network through a VPN. I was not able to reach an IP, nor access the internet. The VPN connection would be disconnected automatically. ...
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55 views

How does a Benes network work?

How does a Benes network work? If I have a Benes network with 8 nodes on each side, like this one here: . . . how do I know whether or not I take the upper or lower port of a switch in each stage? ...
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88 views

how to Specify which physical interface the VPN interface should use, Windows7

I have two physical interfaces which both have internet connection different from each other, and I have VPN virtual interface. I want to specify for the vpn which physical interface it uses .. how is ...
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247 views

Route problems with OpenVPN through a local Astaro firewall

I am trying to connect to a OpenVPN server on my Windows 7 desktop though my Astaro (ASG) Firewall. I got it setup and can connect just fine but I can't surf the web. I can ping websites like ...
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44 views

Route everything from some VLANs to a tunnel

I've set up a tunnel: $ ip tunnel add mytunnel mode gre remote x.x.x.x local y.y.y.y ttl 255 $ ip link set mytunnel up $ ip address add 172.17.10.2/30 dev mytunnel $ ifconfig mytunnel up Now, I can ...
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109 views

How do I route in to a dynamic network (pptp client)?

I have a Centos 6 server. It is acting as a pptp server. My home router is dialing a pptp connection to the server as a client, and gets an IP. Communication between them is fine, but I want the ...
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467 views

Routing table on Linux not respected

I have a very specific problem, building a Linux VPN endpoint (with external VPN Gateway), which should route certain networks over the tunnel, others via default gateway. The Linux VPN should do a ...
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354 views

Routing specific IP/block to VPN and the rest to net_gateway in OpenVPN

VPN is working properly. However, I wanted to route only a specific IP/block to net_vpn and all the rest of the traffic to net_gateway. route 192.168.1.0 255.255.255.0 net_gateway route 10.8.1.0 ...
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1k views

Setting default route for tun1: RTNETLINK answers: No such process

I am currently trying to route all incoming and outgoing network traffic to/from applications listening on an OpenVPN tunnel tun1 through said tunnel. Here are my devices: tun0 is an OpenVPN server ...
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151 views

Linux route/IPtables with internal VM network

I am having some trouble figuring this all out. I have Windows 7 [10.10.30.1] ROUTER [eth0=192.168.4.134 eth1=10.10.30.254] Ubuntu [192.168.4.143] I can ping eth0 and eth1 from Win7, and also ...
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675 views

Routing a specific domain or range through a PPTP VPN and all others through direct connection in Windows 7

How can I route .website/ through a PPTP VPN, while keeping all other traffic going through my default connection? I have tried using the Switchy! Chrome extension, but all my traffic is still being ...
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4k views

Cannot delete a route in redhat linux

I have the following entry in a redhat linux machine to reject the private network route: Destination Gateway Genmask Flags Metric Ref Use Iface 10.0.0.0 - ...
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852 views

How to get all traffic in the network to a specific site to be directed through a proxy?

One of the servers in my LAN is running a certain SOCKS proxy, through which I'd like all traffic to example.com, from the entire LAN, to be automatically routed through without any configuration on ...
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837 views

Use Spotify with 2 network connections (1 x LAN, 1 x tethered iPhone)

I have 2 network connections on my PC here at work (1 LAN and 1 over a tethered iPhone). Now I'd like to listen to music using Spotify. Since our firewall is blocking the connection to Spotify's ...
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99 views

Network routing issue

Here is the situation. I've turned server ns1 (a dual-homed linux box) into a router by enabling ip_forwarding on it (echo 1 > /proc/sys/net/ipv4/ip_forward) Server ns1: eth0: 10.10.0.200/24 ...
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420 views

How to route through VPN only for one IP (OSX)?

I've gotta use a VPN as the first in several hoop-jumps into a client system, but this kills all other networking for me, which makes it very hard to get any work done :( I only need to use the VPN ...
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170 views

How do I get my other computer to connect to the internet?

I have a WAN VPN with dynamic IP. I have configured my D-Link DIR-300 router so my computer is now connected to the internet. I want internet also on another computer in the room. Although I've ...
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9 views

Ensuring proper routing with multiple gateways

I have to setup a Win2012 server with 3 network interfaces. NIC_1: Has a public IP address to avoid NATing. [protected by firewall] NIC_2: Has a private IP address with a DMZ of firewall A [Say 172.x ...
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15 views

ADSL > VPN > Squid3 > DHCP > eth1 All on local debian server

I've been trying to setup this config for months but due to lack of knowledge & experience I have no success; HW on hand; Fast enough Local Debian server with 2 NICs & SSD hdd ADSL modem in ...
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21 views

How to force all traffic to a certain IP through a specific network interface on Linux

I have an ill-behaving piece of software which requires the usage of a certain network interface on my Linux VM. In practive this is a Vagrant box with a NAT-interface and a Bridged interface. ...
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6 views

Linux IPsec VPN w/ racoon: Routing traffic into the internet

I'm currently setting up a VPN for my iPad to use when I'm traveling. Here's some basic info (if you need more details, just leave a comment, I will extend the question with the details): An OpenVZ ...
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9 views

DD-WRT route between vlan2:1 and vlan2

I've been trying to configure a Netgear R7000 with DD-WRT on board. My problem is the fact I have a private ip assigned to the WAN (vlan2) and a public ip assigned to vlan2:1 If I use only iptables ...
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28 views

Connect 2 Networks and restrict acces

The Setting: 2 apartments where each has it's own internet connection over an AVM Fritz!Box. I'd like to connect both apartments with a network cable. In apartment 1 is a NAS wich should be ...
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30 views

OS X: Trying to route specific ip range through ethernet, the rest through wifi

I'm a software vendor working at a client's premises. The client has a corporate network that pretty much blocks the internet, so I'm using a Wifi router for internet access. The problem comes when I ...
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22 views

Routing some request through VPN with Tinc

maybe you could help me. What I need is that some request to certain host are passed through the VPN that I've created with Tinc. By example: Server B request test1.mywebsite.com -> Request go ...
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17 views

Access VPN client from LAN

I have a pfSense configured as firewall/router/VPN server (PPTP, unfortunately, cannot be switched to OpenVPN/IPSEC/L2TP). The local clients are on 172.16.12.0/24, and VPN clients are on ...
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32 views

Connections from virtual host to internet OK, but to rest of LAN, broken

In a notebook running Ubuntu 14.04 I have installed VirtualBox and created a virtual server with Windows 7. The PC is connected to a 192.168.x.y LAN. The virtual server is in a host-only network with ...
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32 views

Windows 7 IP routing

I'm really stuck on this one and I have been told stack over flow is a great place to come for advice. I have a machine running Windows 7 Professional with two internal gigabit NICs. I have enabled ...
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21 views

How do I route data from a VPN-Connection to a server connected with ICS? (Windows)

I am running a Windows 8.1 machine as a centerpoint in my network, it has three network interfaces, Wireless Wifi, Ethernet, and a VPN tunnel. The Ethernet interface is used to share the computer's ...
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47 views

Routing specific port ranges to specific gateway on Asus AC68 router using iptables and ip route

Linux noob here. I was hoping someone could help me with configuring some routing rules on my router, an Asus AC68. The router is connected to two gateways, wan0_gateway and wan1_gateway. I have ...
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30 views

Route IP traffic to different machines based on API call

I have a requirement to route IP traffic on public IP a.b.c.d:xyz to either e.f.g.h:xyz or e.f.g.i:xyz, based upon some known state of those machines (known to my app). The traffic itself would not ...
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23 views

Sharing APs, but different gateways

I'm moving into a student apartment building with three friends soon, and I could use some help in designing the network. The situation is as follows. We each have our own outgoing connection with a ...
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3 views

Network access, routing issue

My ISP is providing me 3 IP addresses over a single network cable each assigned to a MAC. The main network cable is connected to a switch. 2PCs and 1 Router are connected to that switch. PC1 is ...
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12 views

VPN Client to Client Communication

Yesterday I setup a new VPN server which is located in a datacenter with a static ip address. My homeserver is connected to this VPN server and my smartphone as well as my notebook and I'd like to ...
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23 views

Connect to IPv6 network with a VPN not supporting IPv6

I have connection to IPv6 network, as well as a VPN connection (IPv4 only). However, the two conflicts with each other: when I connect to the VPN, I cannot connect to IPv6 host, by domain name or IPv6 ...
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30 views

What are the inconveniences of replacing a router by a computer?

I need to manage the internet usage of all the computers (between 10-50) in a network with deeper capabilities than those that a classical router offers. I would like to have features like: ...
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191 views

sudo route - n add not working in Yosemite

I'm hoping someone can help. I log into one of my customers via a PPTP Mac native VPN. Prior to Yosemite, I would connect to the VPN, then run this command so I could access mail/internet while ...
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104 views

VMWare Player bridged guests can't see host on network

I have a Windows 7 Ultimate 64-bit machine running 3 VM's on VMWare Player 6.0.3. The host is not able to communicate with the guest machines, however the guests are able to communicate with all other ...
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24 views

Forcing local IP traffic over cable only works for a few seconds

I have a machine with three network devices (eth0 - eth2) with eth1 and eth2 connected together via a network cable. I access the system via ssh using eth0. eth0 is on one ip range 10.87.3.x and ...
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43 views

Wireless NIC Configuration Troubleshooting

My wireless connection at home doesn't work anymore... I was onsite with a client, and their network team installed a few static IP address routes so that I could connect to their internal network, ...