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

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0
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1answer
57 views

What's the meaning of link#4 in mac's route table?

jichaodeiMac:~ jichaoyang$ netstat -r Routing tables Internet: Destination Gateway Flags Refs Use Netif Expire default openwrt.lan UGSc 10 ...
0
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2answers
20 views

Routing table with gateway on the same network and interface, why?

When connecting to our company's VPN and looking at the routing table I find this: 172.16.0.0 10.8.0.241 255.255.0.0 UG 0 0 0 tun0 10.8.0.241 0.0.0.0 255.255....
0
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1answer
56 views

Site is not reachable from my provider

My ISP is Optus (Melbourne, Australia). When I visit the site, http://www.ozon.ru, its content loads but the script sourced from (presumably) CDN, http://bundle.ozon.ru/ozon/1.0.6.164/js/bozon.min....
13
votes
5answers
17k views

How do IP answer packets reach their destination inside of a private LAN?

This is a little theory question that has been confusing me for a pretty long time. Basically, if we are inside of a private LAN, and we want incoming packets to reach, for example, an HTTP server ...
0
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0answers
21 views

How to use a local SOCKS server as a gateway?

I'm running a SOCKS proxy server (on an Ubuntu machine) which is used to bypass internet censorship. I'd like the devices in the same network (such as TVs etc), which don't support SOCKS, to use this ...
0
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0answers
20 views

Is there any way to route between more than 2 subnets on a single (home-spec) router?

I'm not a typical network admin, it's all new to me. But I've done my homework, and I'm expecting the answer to be a flat "no", but I decided to ask anyway - just in case I'm missing something. Just ...
6
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3answers
30k 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 ...
4
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2answers
13k 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 ...
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0answers
10 views

Connecting external ip to multiple localhosts

I know how to link an external IP adress to my localhost, but there are so many computers connected to the same router, if ever each one of them wanted to create its own website. An additional IP must ...
0
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0answers
30 views

isolating traffic between 2 interface on a linux box

I have a Raspberry Pi Linux device with 2 network interfaces - eth0 (subnet 10.10.10.0/24) and wlan0 (subnet 192.168.1.0/24). wlan0 is connected to a wireless router and is isolated from eth0. I have ...
0
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0answers
32 views

Windows Server 2012: Configure route with Metric = Default

I'm trying to configure a persistent route in my Windows Server 2012 with the Metric value of Default as displayed in red below: I've Googled around but couldn't find a way to configure it to ...
1
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0answers
40 views

Why does Windows ignore my route?

I have a reoccuring routing problem with Windows 7 Enterprise 64: My LAN ethernet interface is connected to our company network (172.17.0.0/21)) that also offers the default gateway to the internet. ...
0
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1answer
33 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 ...
1
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1answer
73 views

Linux ip route: How to make all external traffic go via one interface

I've set up an OpenVPN connection with an external server. tun0 is the interface which is used for this connection: user@mypc:~$ ifconfig tun0 tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-...
0
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1answer
26 views

Accessing device in my subnet with a fixed IP

I've just purchased a cheap surveillance camera for my apartment. However, while the subnet in my apartment is 10.0.0.0/24, the camera comes with a fixed IP of 192.168.1.10. You can change the IP, but ...
22
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8answers
58k views

Access internal IP using public IP

I have a DSL modem with a public IP address (201.206.x.x), and I have a web server in my internal network (192.168.0.50). I set up the modem to forward requests to port 80 to my web server, so, if I ...
0
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1answer
16 views

Route command output

Route command output: $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.2.10 0.0.0.0 UG 0 0 ...
0
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0answers
50 views

How to route packets from application to ip address

Is there a way to make an application send packets to different address than one it selects by default, Right now i disable all other network adapters then i start the application and then it chooses ...
0
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0answers
14 views

Route to internal IP while on lan, otherwise, external IP

I have a couple services available to the external network. I'm using Apache virtual hosts to reverse proxy all my stuffs. 192.168.1.134 > site.domain.com I want to redirect site.domain.com to ...
2
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0answers
28 views

Windows 7 Routing Prioritizes WLAN

I'm currently at a loss. I've tried to Google and also searched through this place, but nothing I do seems to work. When I have both my LAN and WLAN enabled, the WLAN is taking priority. I have a web ...
0
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2answers
105 views

OpenVPN policy-based routing not working correctly

I'm trying to setup an OpenVPN client on ArchLinux with PrivateInternetAccess. By default PIA pushes routes such that all traffic goes through the VPN. I only want some applications to use the VPN. ...
0
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0answers
25 views

How do I route traffic out my WAN in pfSense?

I am trying to route my networks (10.1.0.0 and 10.2.0.0 for instance) out my WAN in pfSense and my WAN address of pfSense is 10.5.35.131. I was thinking of doing a default route (0.0.0.0 0.0.0.0), ...
2
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1answer
35 views

How to Route traffic through a VPN that is only available through another computer on the network?

Network 1 has 2 computers, PC1 and PC2. PC1 has access to a VPN. PC2 Does not. Is there a way that PC2 can route its traffic through the VPN on PC1? a possible Idea that I came up with would be ...
0
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1answer
49 views

Use two services/protocols on port 80

i ran into a problem today. I'am running a home webserver with FTP and everything and want also be able to connect to XBox live. The problem is (maybe some of you know) that Live uses port 80 (which ...
14
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2answers
330 views

How on earth can this reported hour-long ping time be real?

I recently spent the Easter bank holiday with my parents, who live in a very rural area in the UK. They have a (terrible) ADSL internet connection, which is run over several kilometres of dodgy copper ...
-1
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2answers
4k views

Default gateway 0.0.0.0 on-link

My laptop's NIC went bad and I had to start using a USB Ethernet adapter. When I start up the computer, or even simply unplug and plug in the adapter, it gets two default gateways which show up in ...
0
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1answer
26 views

Can not add static route in my Ubuntu, SIOCADDRT: Network is unreachable

I'm trying to add a static route in my VPS to a client that is on the other side of the VPN tunnel to my VPS and forwards it's traffic through the tunnel. This is the setup of my destination that I'm ...
3
votes
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 ...
34
votes
5answers
3k views

What stops an internet router from sniffing my traffic?

Packets travel through internetworks, and take many routes through internet routers. On each route that forwards traffic to another until reaching the ultimate destination, what stops them from ...
1
vote
1answer
65 views

if-up script for virtualbox “host-only network” interface

I am using Virtualbox host-only network, and I have interface vboxnet0. On host (Ubuntu 14), I have some route staff, several route tables (main and two extra), ip rules set, so on. Every changes I ...
0
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0answers
51 views

forcing proxy traffic to route via a specific 3G dongle interface

I've searched for details on how to do this but I've been unsuccessful - I wondered if someone could offer up some advice. I have 2 network cards (LAN and 3G in my case), LAN is my main interface (...
2
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3answers
3k 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 ...
11
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1answer
45k views

“Network is unreachable” when attempting to ping google, but internal addresses work

I can get to other PCs in my house on the 192 network, but trying to go outside gives me the "network is unreachable" message. p3p1 is up with a good IP Address. Running Fedora 16. What should I ...
1
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0answers
39 views

Network packets routing

I have implemented mesh network on 5 raspberry pi. I will attach a camera to the 5th node which takes the pictures/video and transfer the captured data to the first node and then to the server.The ...
0
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1answer
43 views

different DNS nameserver per linux cgroup network sandbox?

using the very informative and detailed answer to this topic, Route the traffic over specific interface for a process in linux, I was able to selectively choose whether to run a process through a 3rd ...
2
votes
1answer
22 views

Ping is (LSSR) not working as it should

when trying to reach google from my PC, here's the trace route: But when trying to use loose source routing ping, it always return "Request timed out." ping -j 130.43.32.33 google.com (returns, ...
0
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0answers
32 views

Multiple Gateways

I have this routing table: Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.20.1 0.0.0.0 UG 0 0 0 eth0 192.168.20.0 ...
0
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1answer
51 views

Can't connect to network: issue with routing?

I'm having the hardest time connecting my Ubuntu Server to the network, and I have a feeling it's because I'm not routing properly. Can anybody help me out? Network configuration provided by network ...
1
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0answers
54 views

Set default connection for internet connectivity - ubuntu

I have two connections on my computer: sudo route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.1 0.0.0.0 ...
0
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0answers
59 views

Route multiple public IP addresses through LAN with multiple routers

I am attempting to set up a test lab with multiple virtual servers on a hypervisor (ESXi). Some of these servers need public IP addresses, some don't. I have the following network setup: x.x.x.x/...
0
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0answers
28 views

Can't SSH when routing through Asus RT-N66U

I have a remote server, and on my local LAN there is a router (Asus RT-N66U) with a local server and my laptop behind it. The two servers are connected over an OpenVPN link. The remote server has IP ...
0
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0answers
10 views

Making a LAN-to-LAN VPN without controlling static routes

I am asking this question because I am in the middle of a problem. I had planned to build a home-purpose LAN-to-LAN VPN so that two private LANs with private IPs could communicate transparently each ...
0
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1answer
18 views

Using iptables, set up NAT for a specific range on a local bridge

I'm trying to get a NAT setup for a specific range of IP addresses. I run a QEMU/KVM hypervisor with a local bridge that has ip range 10.0.0.0/8. On that bridge, I have several IP ranges for different ...
0
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0answers
62 views

Routing traffic between veth pair

I would like run strongswan in linux namespace between veth pair and protect all the traffic from lan to wan traffic. I need some help in getting routing between veth pairs of interfaces in the linux ...
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0answers
62 views

Why does routing for this single address fails?

Summary: I would like to route traffic initiated from a specific IP to a VPN Existing answers: there are several questions and answers (1, 2) which address this exact problem but they do not work for ...
1
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0answers
53 views

IP Packets for one (VirtualBox/Vagrant Host-Only) guest IP are sent to Windows 10's default gateway instead of link local

I can't ping from my Windows 10 host (192.168.12.1) to one specific IP address (192.168.12.2) on a VirtualBox host-only network. The packet is sent to the default gateway (192.168.101.4) rather than ...
1
vote
1answer
73 views

Making Sense of ISP's Network Topology

I recently noticed something odd while performing traceroutes from my home network, and its made me wonder as to the architecture of my ISP's network. My home network uses 192.168.0.0/16 addresses (...
0
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1answer
47 views

How to route all traffic to a specific ip

I own an Aztech 5005EN modem and I want to route all packets/requests to a local web server. When clients who connected to the router try to open a website, they should get the special page. In this ...
0
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1answer
34 views

Priority in Static routes?

I have 2 default routes with different gateways: # netstat -nr Routing Table: IPv4 Destination Gateway Flags Ref Use Interface -------------------- --------------------...
0
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1answer
91 views

Print 100's of documents to 35 different printers daily

Imagine having ~35 clients that demand that their reports be sent to printers (not faxes, not email), but nice color high resolution printers. You have 20 to 30 reports per client .... so around 600-...