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

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Roaming between Access Points, incorrect routing?

Network setup My current network setup is as follows, a Main Router followed by a series of two Access Points: Router <---> AP1 <---> AP2 The two access points are routers wired via ...
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1answer
25 views

only route certain addresses through PPTP VPN?

after the pptp is up, I found there is an entry in route table: default via 10.0.0.1 dev ppp5 default via 192.168.1.1 dev vlan2 metric 1 This directs all outgoing traffics through 10.0.0.1 which ...
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52 views

Remotely Access LAN device connected to PPTP VPN router

I have ubuntu server installed on VPS and I'm using it as PPTP VPN server. I can connect to the internet normally from my PC , Mobile , etc so the server is working fine. i have DDWRT router which I ...
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2answers
67 views

Hairpin NAT with dynamic WAN IP

I have a dynamic WAN IP so if it changes my iptables will no longer apply. Here is my working hairpin nat, where x.x.x.x is my WAN IP br0 - LAN eth1 - WAN -A PREROUTING -d x.x.x.x -p tcp --dport ...
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2answers
54 views

How to stop specific dhcp interfaces from adding a gateway to my routing table in linux (RPi)?

I've been setting up a VPN server on my Raspberry Pi 3 (latest Noobs) which has worked wonderfully. The VPN creates an extra interface called vpn_vpn and my normal internet is on wlan0 or sometimes ...
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1answer
9 views

Choose gateway regarding incomming node

I have a server behind 2 Internet Access. the ip are these: -Server : 192.168.0.1 -ISP 1 : 192.168.0.253 -ISP 2 : 192.168.0.254 I would like that packets coming from ISP 1 receive response using ...
1
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1answer
26 views

How to increase range Of Ad-hoc network using Rasberry Pi 3?

I am working on MANET using rasberry pi 3 (micro-controller), I want to make 3 rasberry pi as a router and each of three not in range with them, now if I shuffle these 3 rasberry pi they dont change ...
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1answer
45 views

Dynamically resolve hostname to multiple, prioritized IPs

I have a linux server connected to a VPN. At home, I use the same VPN on my laptop, while connected to the server directly through a wireless router. To do this, I have two entries in my /etc/hosts ...
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2answers
45 views

all outgoing tcp packets have source port 0.0.0.0

Currently I am connected to a network 169.254.x.x (a Hostel's Network) and there are three gateways that work as dhcp servers as well: 169.254.10.1 169.254.20.1 169.254.30.1 From a windows machine ...
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1answer
14 views

Cannot route local traffic through local gateway

Microsoft Windows [Version 6.0.6002] Copyright (c) 2006 Microsoft Corporation. All rights reserved. C:\Windows\System32>route print ================================================================...
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3answers
49 views

USB Ethernet to my machine rather than RJ45 NIC Cards

I have a 7 node cluster setup in my organization and they all have dual port Ethernet NICs on them, running Ubuntu 14.04.4. Each machine is connected to two networks at the same time. Requirement: I ...
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4answers
6k views

How smart is my network?

There is an argument within my office about how smart/efficient the network we have set up really is. We have a fibre line and a cable line running into a load balancing router, which has a hardware ...
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1answer
76 views

Open VPN Android/IOS client does not route traffic

I have open vpn server running on a raspberrypi with debian jessie. And it works fine with the open vpn client for windows. But the same ovpn file configuration that works for windows 7 does not seem ...
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0answers
54 views

Linux ip route / ip rule with fwmark and iptables -j MARK --set-mark

I just need to re-roure all user traffic directly to specified GW (different from the default one) bypass all VPN and other routing rules. Lets start it from scratch (reboot the system), no interface ...
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1answer
17 views

home network, routing table entries

In my home network, the router has the following entries in its routing table: Destination Mask Gateway Metric Active 192.168.0.0 255.255.255.0 192.168.0.1 1 ...
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0answers
19 views

Policy Based Routing Not Working Correctly

I have a openVPN connected on my ubuntu computer but I would like to have a couple of applications run through my home router untunneled. They run on port 22 and 32400 (ssh and plex). So I've done ...
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1answer
54 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 ...
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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....
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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 ...
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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 ...
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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....
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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 ...
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0answers
29 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 ...
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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 ...
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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. ...
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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-...
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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 ...
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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 ...
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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 ...
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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 ...
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24 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), ...
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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 ...
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2answers
99 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. ...
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 ...
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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 ...
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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 ...
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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 (...
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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 ...
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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 ...
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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 ...
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1answer
50 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 ...
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0answers
53 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 ...
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58 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/...
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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 ...
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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 ...
2
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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, ...
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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 ...
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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 ...
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 ...