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

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Use case for “RoutedWithNat” vs “Bridged” vs “RoutedWithoutNat” in a home network with two routers

I have my internet at home through a configuration with two separate routers: RouterA. This is a router provided by my ISP. RouterB. This is an intermediary router that provides a wireless network ...
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2answers
75 views

can anyone explain this completely random local IP address that appears on my network?

I have a DD-WRT router, and I am connected to a VPN. My routers local IP is 192.168.11.1. The VPN uses local address 10.10.0.6. However there is this strange IP address 10.16.128.1 that is always ...
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128 views

OpenVPN with AsusWRT

I'm trying to setup my router running the AsusWRT-Merlin firmware as an OpenVPN client. The VPN is a simple static key based one to my root server. The goal is to have all traffic from my local net to ...
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1answer
75 views

SSH+ SOCK Proxy vs VPN

Basically I want to route all my internet traffic (http,https) out to another network (hosted network) and make it encrypted to the end node(hosted network). I can do this right now via SSH> Port ...
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1answer
23 views

Static network want to add guest dhcp router

My work would like me to add a guest wireless for our customers. The problem I have is the system they have set up is all static ip's. How can I add a wireless router to the network so guests can ...
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49 views

Access Router without DHCP in network

I have a router with enabled DHCP server. I also have multiple switches and Wlan access points, which are cheap TP-Link Wlan routers without a DHCP server connected to the network with a LAN port. ...
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63 views

Is there a RIP (Routing Information Protocol) Client for Mac OS X El Capitan?

As a Windows support guy, I have recently tried setting a Mac up to access our work and clients' VPNs. We use Mikrotik Routers with RIP enabled to publish the routes for the multiple remote subnets to ...
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2answers
61 views

How to configure multiple subnets

I have a scenario in which one computer needs to be a member of two subnets on the same physical network - 192.168.2.0/24 and 192.168.3.0/24. I have achieved this using ifconfig eth0:1 ...
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1answer
97 views

No connection between devices in local network

I have home server that also works as router (gateway). It has 2 interfaces one for internet (enp4s0) and another (enp4s1) looks into local network. All devices from local network uses internet from ...
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1answer
37 views

Route path after `route del`

I have two virtual machine, one is 192.168.1.233, the other is 192.168.1.234. At first, they all have two routes: Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 ...
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30 views

Bind apps to VPN network interface with group based routing policies

My goal is to bind some applications to a specific network interface (tun0). I believe my best option would be that of creating special routing rules for applications launched with a specific group ...
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1answer
28 views

A bridge builds up its routing table by inspecting incoming packets?

Which of the following is NOT true with respect to a transparent bridge and a router? Both bridge and router selectively forward data packets A bridge uses IP addresses while a router uses MAC ...
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2answers
107 views

Routing Apple TV to hotel wifi using Internet Sharing on Macbook Pro — something's wrong

Here's the idea: "AppleTV" --ethernet-- --Thunderbolt ethernet adapter-- "Macbook Pro" --wifi adapter-- "Hotel wifi service" I have the wifi service working properly on the macbook (it requires a ...
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1answer
30 views

How to make Windows use different NICs based on URL or IP

I have 2 network cards on my PC, connecting to different networks. How can I switch them based on URLs or IPs i'm visiting? I use routing tables for this on Linux, maybe there're similar ...
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121 views

Why do different users get different IP via the same interface

On the same server, on root, I am getting the correct internet ip of the interface root@server:~# curl -s --interface ppp0 ipcheck.com 111.111.111.111root@server:~# However... If it's not super ...
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51 views

Try to ping google, get virginmediabusiness

I'm currently trying to set up a Centos virtual machine for development work. As it's meant for testing server side code I really don't want to have to install a desktop component and have so far ...
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269 views

OpenVPN (HideMyAss) routing table with NetworkManager compared to HMA scripts

I'm trying to set up a VPN (HideMyAss) on my Linux Desktop (Archlinux). The goal is to make all the internet traffic through the VPN. My computer is behind my internet box. So basically it's like this ...
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1answer
58 views

How to I configure iptables for both IP masquerading and firewalling at the same time?

I have a host that acts as a gateway for routing a home network to Internet. IP Masquerading has been enabled for months now and the system has worked fine. How do I configure it to function also as ...
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1answer
45 views

Do I have an issue with my traceroute?

I am trying to set up a network as following : ============================= DHCP fix addresses : PC1 => 192.168.0.38 PC2 => 192.168.0.39 ============================= PC1: eth0 inet ...
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1answer
26 views

Can not access web domain from local computers

I have a WEBserver IIS7 in my local network. When I go to "www.mydomain.com" from a computer inside same LAN I cant access it. If I put in the local IP it works. "www.mydomain.com" do also works from ...
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1answer
187 views

Routing OpenVPN traffic through a TomatoUSB router

I have setup a Tomato USB, on my second (internal) router. The outside router simply forwards VPN traffic to it, and it acts as a VPN server. I can connect to the VPN server and my local area ...
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2answers
607 views

Configure openvpn client to route all LAN traffic through VPN tunnel in Openwrt

I’m running OPENWRT chaos calmer on top of Raspberry pi 2. I successfully configured the OPENVPN client and client route my traffic through the VPN tunnel. But when I reboot the pi LAN interface ...
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20 views

Is it possible to route all traffic to a vpn except multicasts?

I am using a router with tomato firmware installed. My lan includes a tv, eg ip 192.168.0.2. The tv receives multicast broadcasts from an iptv provider, but can also access the internet to view ...
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2answers
128 views

Client to client route on Windows VPN

I'm trying to configure a PPTP VPN network to play LAN games. The structure is shown in the picture below: As you can see, Client 1, Client 2 and Client 3 establish a VPN connection (using the ...
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1answer
1k views

Two NICs on the same subnet but with different networks?

Description This is similar to this question, but different: Linux computer has two NIC. eth0 is statically assigned with an IP. eth1 is assgiend by personnel in the field which could be same IP or ...
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1answer
45 views

Network is unreachable

I'm a bit lost trying to solve this one. This is a machine coming up on Google Compute Engine. It says "Network is unreachable" when I try to access the network. The network appears to be ...
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23 views

Why does my ip-route-add fail silently?

I'm trying to configure host A to use a remote Linux server B as the router to Internet. A's eno50332208 has ip address 172.16.100.131. The interface used as gateway on B has address 172.16.100.128. ...
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30 views

Appropiate configuration for network structure

I need a configuration for sniffing data packets and accessing the internet from the sniffer machine. The system schema is something like this: Linksys X1000 modem ...
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23 views

Looping back network traffic on the same machine

I have some 3rd party software that expects UDP traffic to/from other machines on the same UDP port. I want two instances to run on the same machine and talk to each other. I'm running it in ...
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24 views

Windows 7 ignores/forgets static permanent route

Coming from Linux, I wonder how to reliably set a static route that still exists after reboot? Windows seems to forget routes, even if you set them with the -p flag. In my case I have a laptop that ...
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1answer
88 views

What do the entries in my routing table actually mean?

I have a VPN connection (implemented via Open VPN) but am trying to route traffic to certain IPs / domains around it, so they just use my naked internet connection. From my research it looks like the ...
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15 views

How to resolve flaky IP routes to an Amazon EC2 server?

My connections to various Amazon EC2 run websites seems to timeout every few minutes. Then it starts connecting again a minute or so later. I suspect this is due to a faulty route set along the way, ...
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1answer
156 views

How do I get OpenVPN to replace the default route when it connects to avoid an IP leak?

Before connecting with OpenVPN's GUI my default route is: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.1.1.1 ...
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60 views

How to setup a routing for NAT internal clients to connect to a internal hosts through external address and forwarded ports in CentOS7

I've setup an NAT environment using a CentOS7 with two NIC. And I setup a service in internal host and use firewall-cmd to setup a port forwarding rule. Everything works fine outside of the ...
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58 views

send only ssh traffic through vpn

I have been googling for a while how to do this but without any luck. When I connect to company vpn from home then all traffic goes through the vpn tunnel, but what I want is only ssh trafic to go ...
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8 views

Can reach only server via VPN

I have home lan. It is connected via Router (Asus RT N56-U). Inside the LAN I have Windows 2008 R2 server and I've configured VPN on it (not on router). Now I can reach only the server via VPN. I know ...
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0answers
186 views

Netgear GS724Tv4 inter-VLAN routing

Summary I am toying with a relatively small home LAN and I am baffled and idealess as to how to configure inter-VLAN routing on GS724Tv4. I suspect it's because of some oversight on my part or simply ...
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39 views

IPV6 end-to-end data connection not working

I am configuring for IPV6 end-to-end connection. I can get proper IPV6 address on my wan interface and br-lan interface, but I cannot browse on the IPV6 only network. I can ping the DNS server, but ...
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91 views

Ethernet connection dropping - DHCP issue?

A user with a Fedora installation is experiencing intermittent interruptions to his wired internet connection on the LAN. I've swapped cables and ports and double checked my VLANS and switchport ...
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14 views

how to redirect incomming connections in one interface to another?

trying to do a quick test of one service that is listening on one interface, let's say 10.0.0.1:123 and i want a device that can only reach that host on another interface, let's say 192.168.1.1, to ...
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1answer
85 views

Making custom routing changes permanent in CentOS 7

I need to make some custom routing commands be maintained whenever the main LAN network interface is restarted/system rebooted. I've been reading how to do this in CentOS 7 and accordingly to ...
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1answer
177 views

How to set up NAT46 on Linux router?

I have a internet connection supporting IPv6 only. But some of my devices (like an AV-receiver) are only capable of IPv4. ______________ | Linux router | ...
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1answer
91 views

Subnets on hyper V

What I'm after is a hyper V host, hosting around 6 vms. 3 of them on 1 subnet 3 of them on another And I want them all to have internet access The 2 subnets don't have to communicate. I'm using ...
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1answer
1k views

Route only specific traffic through VPN

I've looked up previous people asking similar questions, but have yet to get a straight answer that will work for my given situation, so here goes.. I'm running on Linux (Fedora 22) and have a VPN ...
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1answer
49 views

On connecting to the VPN first internet fails, then I can't access the resource on VPN

I have the same problem as the last answer to this question. On connecting to the VPN I lost my internet access, so I unchecked "Use default gateway on unchecked network". But then I can't access the ...
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1answer
143 views

When an IP is assigned to a newly created OpenVPN interface, does it create a default route for the subnet of that IP?

I'm following the tutorial to learn OpenVPN. by following the steps of the part: let's try it I use OpenVPN to create an interface tun2, and assign an IP to it sudo OpenVPN --mktun --dev tun2 sudo ...
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IP Routing for VPN Failover on ASA - Did I miss anything? Is there another method?

To handle the 4x VPNs I plan to use the following scenario for Routing: Prefered Order for VPN connection: ISP1<-->ISP3 ISP1<-->ISP4 ISP2<-->ISP3 ISP2<-->ISP4 Example Site ...
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1answer
68 views

Route only specific IP series traffic from eth0 and rest all to wlan0

I am no good at networks so this might be naive question. I am using Ubuntu, and connected on LAN as well as WiFi. LAN is my internal network that isn't accessible from outside. I need WiFi for ...
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2answers
44 views

How does a web request discern geographic location [closed]

I have done quite a bit of reading regarding the internet layers, but have yet to find an answer. Say you are in city x and a server is in city y. Along the miles and miles of wiring, who controls and ...
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1answer
66 views

forward subdomain to specific server

I am trying to forward remote desktop traffic to a particular computer inside a network. Is there a way to point or forward a sub domain to a specific computer inside a network? For example if I have ...