the process by which data packets on communication networks are forwarded into the direction of their ultimate destination by routers.

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Hyper-V dedicate network adapter to 1 VM

I have one windows server, 2 network adapters, 2 public IPs and I want to route/port redirect each IP to one of VMs (so I can host on :80) At the same time I want to partially use one of the IPs to ...
3
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3answers
1k views

How access remote network with OpenVPN?

I am currently trying to configure OpenVPN to access our company network remotely. I was able to establish a connection and ping the server at the configured address (10.8.0.1), but I was not able to ...
0
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1answer
43 views

Ip addressing for serial routing

I have the following packet tracer diagram: I have range of ip address : 10.0.0.0 - 10.0.255.255 I need to assign ip addresses from this range to the routers' serial interfaces as well as subnet ...
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1answer
1k views

Route all traffic through StrongSwan VPN

I'm new to this - please excuse my ignorance. I have looked through many other similar questions to no avail. Trying to set up a StrongSwan VPN such that client C can connect to host H, be assigned ...
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0answers
20 views

UDP tunnelling outside OpenVPN

this is my first post. I have already looked for solutions but I haven't solved my problem at all actually. I have a linux server connected to a OpenVPN server whose service I pay for. This provider ...
2
votes
1answer
3k views

OS X 10.8: redirecting locally initiated ssh connections to localhost:22

I need to hack the OS X pf to redirect all ssh connections from an user to this machine. I want, when doing $ ssh google.com to get the same results as with $ ssh localhost ie a connection to ...
1
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4answers
2k views

Ubuntu Server, 2 Ethernet Devices, Same Gateway - Want to force internet traffic through 1 device (or at least allow it to work!)

I have a Ubuntu 10.04 Server with 2 ethernet devices, eth0 and eth1. eth0 has a static IP of 192.168.1.210 eth1 has a static IP if 192.168.1.211 The DHCP server (which also serves as the internet ...
2
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0answers
50 views

Routed bridge networking for KVM guests along with eth1 alias interfaces for shared hosting with dedicated IPs for each virtualhost

First question here on serverfault, so kind of a newbie, all feedback is welcome. I have a dedicated server running Debian GNU/Linux 8.4 (jessie) with one public IP and multiple additional public IPs ...
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0answers
18 views

Hairpin NAT with dynamic WAN IP [migrated]

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 ...
11
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3answers
23k views

Why do ICMP Redirect Host happen?

I'm setting up a Debian box as a router for 4 subnets. For that I have defined 4 virtual interfaces on the NIC where the LAN is connected (eth1). eth1 Link encap:Ethernet HWaddr ...
2
votes
2answers
70 views

Issue with site to site OpenVPN

So my end goal is to utilise OpenVPN to connect to a remote IP camera. The reason I am going down the route of OpenVPN is to try and overcome the carrier grade NAT that prevents me from doing port ...
1
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2answers
18 views

OpenVPN per user rules while not routing Internet traffic

EDIT: I know that learn-address is what I would need to use to call a script (as specified in the openvpn-netfilter project) to set the firewall rules. I guess my question is more related to the ...
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0answers
17 views

Packets dropped connecting to Azure VM through Point-to-Site RM Gateway

I've setup a point-to-site Virtual Network Gateway using the Resource Manager model. I followed both of these instructions: ...
1
vote
1answer
24 views

Route ipsec to openvpn with iptables

I am not a very experienced user but I do have determination, after a week with no progres it is getting rough. I have two NIC, one facing to the internet and one towards the internal network. Both ...
0
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0answers
18 views

Internet throught VPN in local network, using windows 7 as router

I have windows 7 (192.168.1.0/24) using as router in SOHO network. Everything works fine until I'm creating openvpn connection on windows 7 (10.0.0.0 mask 255.255.255.252). Windows 7 machine has ...
0
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1answer
22 views

Is it possible to set up a 'wildcard' subdomain in IIS so that any subdomain can be used and routed by the application?

My first question on ServerFault..be gentle :) Is it possible to set up a 'wildcard' subdomain in IIS (assume version 7 or later) so that any subdomain can be used and routed by the application? For ...
0
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1answer
1k views

No internet access when toggling `redirect-gateway` in OpenVPN client config

I have a router with IP 192.168.1.1 subnetting 192.168.1.0/24. On that subnet, a Synology NAS has an IP of 192.168.1.181 and is running a VPN server using subnet 192.168.2.0/24. When I connect a ...
0
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0answers
20 views

Codeigniter links not working without index.php

I have a code igniter application that used to work properly in wamp, but after shifting to lamp it stopped working normally. Also I have used Modular Extensions to make my app follow HMVC Only the ...
0
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0answers
15 views

all outgoing tcp packets have source port 0.0.0.0 [closed]

currently i am connected to a network 169.254.x.x (a Hostel's Network) and there are three gateways. 169.254.10.1 169.254.20.1 169.254.30.1 above three works as dhcp servers as well. from a windows ...
0
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1answer
88 views

OpenWRT reroute all router traffic through a Client

I have an OpenWRT router (192.168.1.1) with various wired and wireless clients (192.168.1.x). One of the clients is a Suricata Sensor (192.168.1.100) with only one, 1000MBbit NIC. I want to ...
1
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1answer
2k views

How to get OpenVPN Client (Mikrotik RouterOS) <-> OpenVPN server (Debian/Linux) setup to work

I have some issues with making MT to work with OpenVPN server (Debian). I can make successfull connection to OVPN server, but traffic is not routed through OVPN server. Here is my configuration. ...
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1answer
3k views

Any help on how to use iptables to postroute to eth0:2 alias in ubuntu?

On my server I want to route my internet traffic over my eth0:2 alias. When I use this command: sudo iptables -t nat -A POSTROUTING -s 10.8.0.4 -o eth0:2 -j MASQUERADE It returns this: Warning: ...
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0answers
10 views

How to make a local interface, accept a packet that's coming from another local interface which is destined to the first one

before starting, let me say that I'm not talking about ip forwarding. ip forwarding is enabled and working. My problem despite being hard to explain in one sentence, is rather simple, and yet it seems ...
0
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0answers
25 views

Cisco 3750 intrer-VLAN routing not working

I've defined three VLANs on my 3750 switch. I've also enabled the routing on it. It is a standalone switch. But the routing is not working between the VLANs. I don't know what to do. There is the ...
2
votes
1answer
3k views

strongswan VPN on OpenWrt

Hi I'm running Barrier Breaker version of OpenWRT and I have setup a VPN according to: http://wiki.openwrt.org/inbox/strongswan.howto I can connect to the VPN with my iPhone or Mac (to 10.10.1.0/24 ...
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0answers
13 views

Iptables linux routing with 2 chain proxies

Im trying to setup a connection between a PCs in my local network, to foreign resource XYZ in a specific way. My network is currently configured like this: I have a pc behind the proxies -> Then I ...
2
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1answer
3k views

How to force certain traffic through GRE tunnel?

Here's what I do. Server (public internet is 222.x.x.x): echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf sysctl -p iptunnel add gre1 mode gre local 222.x.x.x remote 115.x.x.x ttl 255 ...
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0answers
18 views

Route all traffic from virtual interface to temporary tun0

I'm trying setting up at home an automated torrent client to download some big GIS databases I produce at work and release as .torrent files. My home server is a Raspberry PI with one Ethernet ...
0
votes
2answers
1k views

Application request routing and load balancing

I use Application request routing in my farm environnement. I got 2 ARR server and 2 IIS server in my farm. I configure my routing to load balance request even to my iis server, but when i look ...
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0answers
11 views

Is there a way to tell a machine accesible via a gre tunnel to join multicast groups via pimd or smcroute?

this has been stumping me for some time and would love any help on this. So I am subscribed to a data vendor through an intermediary firm. The intermediary firm has physical connections to the data ...
0
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1answer
2k views

Allow access to printer between interfaces on Cisco ASA5510

I have a Cisco ASA5510 where we have to separate networks on two separate interfaces. The networks should have nothing to do with each other except that network B needs to access a printer on network ...
0
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3answers
3k views

Dnsmasq on Tomato firmware won't reply from simple name address

I want to be able to access computer 192.168.0.3 from the simple name "pos". Not "pos.com" or anything. With my setup below I can ping dev.pos, just not pos. I have to ping mydomain.pos to get a ...
6
votes
4answers
4k views

Openvpn, forward packets very slowly

I rebooted my server, and an odd issue just came out. I am running on ArchLinux, the clients are Ubuntu, Android and Mac. The problem is that accessing the internet via the clients is slow, about ...
1
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1answer
35 views

make kernel select a different IP-adress as its source

I'm running an ubuntu router using quagga. The router has many virtual interfaces each connected to a different upstream partner. One of these virtual interfaces is connected to an IX. The IP assigned ...
1
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1answer
31 views

Connect virtual subnets from two physical host

I have proxmox 4 based on debian 8 on two hosts A and B. Both have two NICs. One NIC from each host is connected via a Crossover cable. Host A: eth0: public IP eth1: 10.0.0.2/24 vmbr1: 10.0.0.1/24 ...
54
votes
8answers
47k views

What is “anycast” and how is it helpful?

I'd never heard of anycast until a few seconds ago when I read this SF post. The wikipedia entry on it is quite formal and doesn't really evoke a mental picture of how it would be used. Can someone ...
0
votes
1answer
2k views

Configuring Shorewall for routed OpenVPN

I have an Ubuntu server 14.04 machine that serves as a NAT router. The routing is achieved using Shorewall, mostly in line with this tutorial. The LAN has the subnet 10.0.0.0/24 On this machine I ...
1
vote
1answer
4k views

cisco ip nat / port forwarding

I have been trying to get port forwarding working with a newly installed cisco router. I cannot seem to find where my fault is and have been looking for quite a while. The relevant section of my ...
1
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0answers
17 views

How should I use Cisco ASA 5510 and Catalyst 3550 together

So I took on a project at my job moving four separate networks into one Colo center. Currently I broken everything down from the four networks into 4 VLANS on the ASA 5510. Each are assigned IPs ...
6
votes
5answers
163 views

Adding second firewall to ISP connection with multiple subnets?

My routing knowledge is a little rusty. I have a fibre internet connection hooked up like this: The managed switch breaks out VLANS for transparent lan service that is also through the ISP's box. ...
1
vote
1answer
109 views

How would I get this routing to work between the two subnets? Unsure if i am over-complicating my network

I am attempting to operate 2 subnets, the first subnet on range 192.168.0.0/24 is free to access anything it wants, including machines on the second subnet. the second subnet on range 10.0.0.0/24 is ...
1
vote
1answer
2k views

Pfsense OpenVPN Site to Site Routing issues

I know this question has been asked a plethora of times before and I have looked over probably 100 different answers and still can't seem to get this to work. I'm trying to create a very simple site ...
0
votes
1answer
7k views

Transparent Ethernet over GRE not forwarding traffic

I am running on Linux 2.6.30.9 and have been trying to setup a transparent ethernet over GRE tunnel. The network topology used is as follows: I want to bridge PC1 and PC2 using Transparent Ethernet ...
0
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1answer
39 views

Traffic refuses to go over VPN interface

I've set up a VPN tunnel, and encountered an interesting issue. With fixed routes set up (say, to 8.8.8.8), everything is fine. Packets get sent over that interface, and responses are received. The ...
1
vote
1answer
21 views

Juniper SRX routing based on network

So, a Juniper SRX 220 in a shared use building. Two networks, 192.168.30.0/24 (The shared use) and 192.168.31.0/24 (the private network). We had once cable modem, and it currently allows only the ...
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1answer
19 views

Two physical web servers on port 80 behind a router [duplicate]

Current scenario I have an Apache server running on default port 80 on a CentOS 6.7 box. I forward port 80 from my router to this machine, and I can access it from the outside with my domain a.com. ...
1
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2answers
577 views

OpenBSD: Gateway outside subnet (works in Linux)

We need to set up an OpenBSD host to use a default gateway that's outside of it's subnet. This is all I need to do on Linux (not the actual IPs) to achieve it: ifconfig eth0 33.33.33.33/31 up route ...
3
votes
1answer
45k views

Setting a static route for a specific network adapter with two network adapters

I have a virtual windows server 2008 r2 with 2 virtual network adapters, one is part of a domain and the other isn't. When I ping to a specific PC that is part of the domain it connects to it through ...
0
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1answer
9k views

How to set up port forwarding on a NETGEAR ProSafe™ Gigabit 8 Port VPN Firewall FVS318N?

UPDATE: Rule might be right, but app still isn't functional. See more details after the screenshots. I want to forward port 3000 to a machine in the local network (192.168.1.106). So far I've ...
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0answers
28 views

iptv set-top box cant route to the internet

I am trying to setup an iptv server. This server should run DHCP service, web server, and also a router. the linux box has 2 Physical NIC. Eth0 : (DHCP Service) : 192.168.98.100/32 ...