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

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2answers
3k 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 ...
4
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2answers
376 views

Why doesn't “ping -j” work?

I am experimenting with ping command on Windows 7. According to the help of ping command. -j host-list Loose source route along host-list (IPv4-only). My computer sits in a home LAN. The ...
4
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2answers
12k views

Doubt In default time to live (TTL) 255?

I know that,The Default Time to live value is 255, each time a ipv4 packet crosses a router that value is decremented by 1. But,When I ping my adsl router it shows TTL as 64 Pinging 192.168.0.1 ...
3
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4answers
14k views

Persistent routes for DD-WRT PPTP VPN client

My home network in the USA is behind a Buffalo router (G300NH) running their version of DD-WRT. I use the built-in PPTP VPN client to connect to a VPN provider in the UK. I route certain traffic over ...
2
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1answer
8k views

trick out cisco vpn with routes

I'm working on a way to trick out cisco vpn-client by modifying the routes on the local system to achive a status thats calles split-tunneling. I know that I don't have the right to do this without ...
14
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2answers
6k views

Does the order of entries in the routing table matter?

Does the routing order matter: > route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 123.x.x.151 0.0.0.0 255.255.255.255 UH ...
6
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1answer
1k views

How does Google bypass IP routing?

At the Google Public DNS Performance Benefits page, they claim In Google Public DNS, we have implemented several approaches to speeding up DNS lookup times. Some of these approaches are fairly ...
5
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1answer
5k views

How can I route *some* traffic over an SSH SOCKS proxy on OS X?

I have a SSH SOCKS connection running for VPN purposes, and this works beautifully. By using either FoxyProxy for Firefox, or a .pac file for OS X's Automatic Proxy Configuration option, web traffic ...
4
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2answers
4k views

How to ensure Internet access is only via VPN [duplicate]

I have a Windows 7 machine with a regular wired Internet connection, configured via DHCP. It has a VPN connection set up. How can I ensure that Internet access is allowed only over the VPN? That is, ...
4
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1answer
21k views

How to select default network interface for internet?

I have 2 network interfaces. Both use DHCP to obtain ip address. First provides internet directly and second uses PPPOE connection. How to select which connection windows will use to connect to ...
3
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1answer
163 views

How can I tell if my multiple network interfaces are working ok?

On Ubuntu 14.04 x86-64 I have a wireless broadband connection and a USB tethered one (it's on 4G, not the same wireless): route -n Kernel IP routing table Destination Gateway Genmask ...
3
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1answer
19k views

pfSense to route between multiple subnets on same LAN

I started with a fairly standard pfSense setup: one WAN and one LAN interface, LAN-to-WAN access via NAT. Now I needed a second logical subnet on the LAN, which I set up in the following way: ...
2
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3answers
3k 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, ...
2
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1answer
1k views

How to route specific traffic through OpenVPN?

I'm running a server at home with rtorrent and apache2. I would like to route my rtorrent traffic via OpenVPN and since im kinda new to OpenVPN and iptables i would like to have a user friendly guide. ...
2
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1answer
2k views

Connecting to resource on vpn, while normal traffic routes through normal connection

I'm running Windows 7 and am trying to connect to a specific IP on a VPN network that I'm connected to. Since I don't want all Internet traffic to go through the VPN connection and I want to be able ...
2
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3answers
5k views

Will multiple network cards increase bandwidth? [duplicate]

Possible Duplicate: Combining two ethernet ports I have two available wireless networks in my area, and currently I'm connected to one of them. I want to get a USB wireless adapter and ...
2
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3answers
32k views

Why does this ROUTE ADD command fail?

I am trying to block access to a single IP address by adding a specific route that leads "nowhere" (instead of the default gateway): route ADD 199.239.136.200 MASK 255.255.255.255 127.0.0.1 METRIC 10 ...
2
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2answers
7k views

Setting VPN to go through certain IPs and not others

I'm a scientific programmer with a loose grasp of what goes on under the hood in my small home network so bear with me whilst I try and explain using the correct words if possible. My home network of ...
2
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3answers
896 views

Avoid corporate blocked URL's when on Cisco VPN

When I'm on my home PC and on my company VPN I can't get to sites that my company blocks. Is there a way to get around this? Why do my requests to facebook.com go through the VPN? Can you configure ...
2
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6answers
7k views

VMWare Workstation: How to access the virtual disk from the host system?

I would like to access the disk of a VM from host or even better from LAN. The VM runs a Windows XP. The easiest way would be an access to the c$ share. Peace, Ice Update: Upon the several answers ...
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1answer
543 views

Remote SSH access doesn't work when OpenVPN client is enabled on DD-WRT

I have a DD-WRT router which I would like access remotely via SSH. The DD-WRT is behind an ADSL router which has port forwarding for port 22 enabled, DD-WRT SSH access and service are set to port 22, ...
1
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1answer
271 views

Can I avoid losing three IPs per network on a bridged Xen networking setup?

About a month ago, I asked this question on Superuser. The answer given there certainly works, but I've run into an issue I haven't thought of before. The setup I had running (based on the previously ...
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3answers
2k 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
945 views

Default gateway is lost

A weird thing is happening here. I am using TPLINK WDR3600 as server, which is connected through Ethernet with a modem in bridge mode. I use 2 PCs and a cell phone on my LAN. Something is happening ...
1
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1answer
920 views

What routes must be set (in Linux) to allow Internet access through given interface without setting it default?

I am trying to solve a task with routing and OpenVPN's configuration. After setting the connection, I don't want it to become defaut route to anything, but rather want to use its interface for this ...
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1answer
1k views

Network routing with an ADSL router and two wifi routers

Ok so here's my network setup - ADSL Router (non wifi) -> Wireless N Router (with LAN switch as well) -> Desktop | Wireless G ...
0
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1answer
944 views

VPN on SSID #2 (OpenWRT)

I am a new at openwrt (attitude adjustment - TP-Link WDR3600), I am trying to get an OpenVPN On Dedicated Wireless Access Point (VAP). Let me show you what I'm trying to do here with visuals: SSID ...
0
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1answer
2k views

Route LAN traffic through eth0, not tun0, on my VPN access point

How can I make my Access Point send traffic to 192.168.1.0 through eth0 and all other traffic through tun0? I have set up a Raspberry Pi VPN access point. It sits on the same subnet as all my ...
0
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1answer
391 views

Configure 2 simple local networks with Box/Router/PC

I don't manage to configure my router to create another subnetwork after the internet box. My goal is really simple, i just want to have 2 routers (Box & local router) and 2 networks (192.168.1 ...
0
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1answer
2k views

Possible to config an application to use LAN or wifi access?

MacBook Internet connection via WiFi via proxy (en0) LAN connection via ethernet (en6) i.e.: en0: flags=8863<UP,BROADCAST,SMART,RUNNING,SIMPLEX,MULTICAST> mtu 1500 ether 00:1f:f3:ba:82:57 ...
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1answer
399 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.
6
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3answers
28k 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 ...
5
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1answer
9k views

How to allow FORWARDing with firewalld on a Fedora 19 router

I've just installed Fedora 19 and I'm using firewalld instead of iptables, but I'm having difficulty interpretting the new terminology. I have 2 NICs. One is specificed ZONE="internal" and the other ...
4
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1answer
2k 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 ...
4
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2answers
6k views

Setting up bridged OpenVPN server with single public IP NIC

I've been trying to set up a bridged OpenVPN server without much success. I've got VPS running Ubuntu with one NIC, which has assigned static public IP to it. I want to be able to have a couple of ...
4
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1answer
630 views

OpenVPN routing issue

Building 1: 10.1.0.0 255.255.0.0 Building 2: 10.10.0.0 255.255.0.0 192.168.0.0 255.255.0.0 Buildings are connected by 1G metro ethernet. I reside in building 1. 192.168.0.0 is firewalled from ...
4
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2answers
7k views

Can I change the traceroute to a certain IP?

I like to play the game League of Legends but lately have gotten unacceptable amounts of latency (400+ ping). After finding out the game server's IP (95.172.65.165) I tried to traceroute it to see if ...
4
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2answers
215 views

Routing Essentials

I'm a programmer trying to fill a big hole in my understanding of networking basics. I've been reading a good book (Networking Bible by Sosinki) but I have been finding that there is a lot of ...
3
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1answer
429 views

Using traffic shaping, is limiting download traffic helpful or harmful?

I use traffic shaping in MonoWall (BSD) to great advantage with my home connection. It has been quite some time since I've had any kind of issues where user interaction with the internet has seen any ...
3
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1answer
2k views

Linux: multiple network connections - 3G/4G / Wifi / LAN / etc; how can i set a preferred network connection to use?

I've been looking at how I can setup a laptop that has multiple network interfaces, but a problem exists if all the connections are active, i.e. 3G, WiFi and LAN are all connected, I would like it to ...
3
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2answers
1k views

Access machine in a subnetwork after a router

Is it possible to access a machine in a sub network? This is the situation: Main-router + sub-router - machine (2) - machine - machine - ... - machine (1) - machine - machine - ... ...
3
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2answers
3k views

How to split two networks for one Internet connection

I have a single Internet connection and I'd like to create two networks to access it. Network #1: WiFi accessible Network #2: Wired, not accessible from Network #1, but can still get to the Internet ...
3
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1answer
739 views

How can I prohibit the creation of a route in Windows XP upon connection to Cisco VPN?

Problem I have several routes that are created when I connect to my company's VPN using Cisco VPN client. (It appears to be a bug in our VPN client that we're subjected to this in the first place: ...
2
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0answers
303 views

Can I set up Windows 7 VPN so that only sites blocked in China are routed through VPN?

I'm in China behind the Great Firewall using a VPN service provided by a friend so didn't get blocked in the VPN crackdown in January 2015. Since VPN can slow down traffic a lot I'd like to only ...
2
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1answer
99 views

How can my home server accept and reply to connections from the Internet when OpenVPN client is running?

I have a headless home server running Ubuntu Server 12.04. A 3rd party website (to which I'm subscribed) periodically sends commands to a daemon on my home server which in turn responds to the 3rd ...
2
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0answers
160 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 ...
2
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3answers
7k views

Multiple web servers behind one public IP

Long time reader first time poster (he he). So here's my dilemma. I'm hosting 3 sites at home for some friends, nothing big, all just wordpress sites. Running them in VMWare Workstation. Got a ton of ...
2
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1answer
16k views

How to forward packets between two interfaces?

My laptop (use's Ubuntu 13.10) is connected to internet using a wired connection at eth0 with ip 192.168.42.13 and it also acts as a wifi hotspot at wlan0 with the ip 192.168.1.1 (i used airbase-ng to ...
2
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1answer
468 views

Route internet traffic to isolated vm

I got two VMs, i want VM-2 to be an isolated host, forced to route it's traffic through VM-1. So for example if i use a VPN on VM-1 this will affect VM-2. VM-1: Windows 7, 2 NICs 192.168.1.80 ...
2
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1answer
12k views

Change PPTP control connection's TCP port number

I have some Windows 7 clients that connect via PPTP to a CentOS server, but I would like them to use a port other than 1723 for the control connection as that port is not available. Is there some way ...