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

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5
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150 views

Internet Sharing on Lion breaks my routing table

When in the office, I'm connected to a 192.168.1.0/24 network. When Internet Sharing is off, when I run netstat -nr the first entry shows default 192.168.1.254 UGSc 10 ...
3
votes
0answers
970 views

Mac OS X Routing Table Protection

I'm looking for a way to protect my Mac OS 10.8 routing table. After connecting to my employer's network using the Cisco AnyConnect Secure Mobility Client, a bunch of new routes are installed into my ...
2
votes
0answers
720 views

Windows 8.1 Hyper-V guests cannot access Internet

I've set up several Linux VMs using Windows 8.1 Pro's Hyper-V feature. This was working fine yesterday. Shortly after installing a new VM, I noticed that it could not access the Internet. This was ...
2
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0answers
283 views

Route traffic from one VPN to a second VPN

I have set up an OpenVPN server on my windows 7 64-bit PC. I also have a subscription to a VPN service. My aim is to be able to connect my android phone to the VPN server on my PC, and then route ...
2
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0answers
756 views

How to open a server port outside of an OpenVPN tunnel with a pf firewall on OSX (BSD)

I have a Mac mini that I use as a media server running XBMC and serves media from my NAS to my stereo and TV (which has been color calibrated with a Spyder3Express, happy). The Mac runs OSX 10.8.2 and ...
2
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0answers
301 views

Multiple SSH Connections over different connections

I have a Linux box with a couple of 3G/HSDPA modems, seen as network connections, and i would like to get each to connect to a server over SSH. The server could be the same server, and i would need ...
2
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0answers
86 views

Routes with question marks in routing table

When I do ip route show table all I see some routes with question marks in them as below. multicast ???/32 from ???/32 table default proto none iif eth0 They appear to be multicast routes. I ...
2
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0answers
1k views

None of the clients of LogMeIn Hamachi mesh-network are reachable

For some reason my Hamachi network stopped working. Here is what I have Version of the Hamachi client is 2.1.0.122 It's "Mesh" network. I have 7 clients, 3 of them are online right now. All clients ...
2
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0answers
216 views

Routing packets to different available networks using process' pid / uid

I need to route packets from some processes(unique pids/uids) to desired network connection. So, Suppose we have 4 processes with pids 10, 11, 12, 13 respectively; and we have two network connections ...
2
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0answers
149 views

selective connection usage

I use a proxy, at work, which I consume in Ubuntu (Karmic) with the great cntlm (it requires NTLM support, it's an ISA proxy). However, this connection is also "Websensified". I have an open wireless ...
1
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0answers
84 views

Is it possible to route all traffic on VirtualBox host adapters to guest?

I am upgrading Ubuntu 8.04 on a dedicated router/firewall/NAT/SMTP/SSH server with a current Linux (Debian Wheezy). I am using VirtualBox (4.2) with Ubuntu 8.04 as host and the new Debian build as ...
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21 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 ...
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0answers
34 views

How to stream WiFi cameras over a Linux gateway to my laptop using iptables?

My setup is as follows: Linux gateway has one WLAN configured as WiFi client (192.168.0.100) to a Linksys WiFi AP(192.168.0.1). There are three WiFi cameras connected as WiFi clients (192.168.0.101, ...
1
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0answers
30 views

Linux routing table entry disappears

I run Fedora 20 (Linux 3.13.3-201.fc20.i686) inside VirtualBox on a Windows 7 SP1 host. The Ethernet adapter on the guest is configured as a Bridged Adapter in VBox, and gets an IP via DHCP. Here's ...
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0answers
39 views

multiple ipv4 addresses with internet connection on single physical device

my isp gives me up to two ipv4 addresses. i have a raspberry pi with archlinux connected to the modem. first interface is eth0 and the ip address is obtained via dhcp. i created a virtual device with ...
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0answers
142 views

Tunneling traffic through OpenVPN

Following the steps described here I've managed to configure both the VPN server and client(I can ping both ways). Their respective configuration files are: server: ;local a.b.c.d port 1194 ;proto ...
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0answers
37 views

BindIPEndPointDelegate to select VPN interface on Windows

I have multiple Windows-intergated L2TP VPN connections on my server. By default, all internet traffic should be routed through my local network adapter and not through the VPN. My application should ...
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0answers
44 views

ARP for a multihomed machine (Linux)

I try to configure two interfaces on my server to behave as independently as possible on the same medium. However I have some problems with ARP (maybe related to ARP flux). I hope somebody can ...
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0answers
28 views

Query an office gateway/router to confirm all routes?

Is it possible to send a 'query' of some sort to a gateway device in an office to see what subnets I have access to? For example, I know that I have access to multiple subnets because we have many ...
1
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0answers
533 views

Cisco AnyConnect vpn stops internet connection in Windows 8

I have a VPN set up through Cisco AnyConnect 3.1.04072 on a Windows 8 laptop. I can connect to the vpn, but as soon as I do, all internet traffic stops. I've been researching for days now and I ...
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0answers
115 views

Share VPN connection and normal internet with mobile device over WIFI

I have a PC and Mac that I have running on a VPN for work. The VPN is only required for traffic to a sepecific set of servers (not all my internet traffic is routed over the VPN). The vpn is made (on ...
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0answers
86 views

Host not resolving, ping is

I have two network cards on my Mac OS X. One for my corporate, the other one is my wlan. For all internal stuff, the corporate one should be used. I configured following: route add -net 10.0.0.0/8 ...
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0answers
534 views

How to troubleshoot routes while trying to forward all traffic through VPN

I've recently set up a LogMeIn Hamachi VPN in Gateway mode. My goal is to forward all internet traffic from my local machine through the VPN. I've been searching for a while now and have only found ...
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0answers
63 views

Can I force putty to use some networking interface?

The problem is that I've two networking interfaces one of them does not allow any outbound ssh connection. How can I force putty to use the second network interface so I can connect to a remote host? ...
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0answers
160 views

Understanding Linux routes in Proxmox

I have a server and decided to go ahead and practise with Proxmox. This is the network setup I have right now: Two interfaces: eth0 & eth1 (different NICs, both connected to internet) Two ...
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0answers
117 views

NAT routing command in windows

Is there any specific command in windows which do the following task: I want to modify the source IP address in the packet whose Destination IP is not in the private LAN, i.e., I have a virtual ...
1
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0answers
91 views

Small wireless network with multiple subnets strange behaviour

I have a local network with a setup that shouldn't work, but does. Small wireless network with multiple subnets strange behaviour I have a consumer-level router/ap (named router1) acting as a gateway ...
1
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0answers
31 views

Route certain programs to different gateways

I own a small network with 15 windows computers, 1 linux server with samba for network storage and 3 aDSL lines of 8Mb/s each. I have set 5 computers in each adsl line. What I want to do, is having ...
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274 views

local routing with openvpn : ping: sendmsg: Operation not permitted

I set up a simple vpn with IP 10.0.0.1 using openvpn --mktun --dev tun1 ip link set tun1 up ip addr add 10.0.0.2/24 dev tun1 and I run a simpletun program on two machines which is ...
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0answers
148 views

setting up linux routing table for mutliple wifi connections

I would like to increase the speed when downloading large files on a public hotspot by using both a built-in wifi-adapter (wlan0) and a wifi-usb-stick (wlan1). As bonding wifi-devices does not seem ...
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0answers
621 views

How to route traffic from another network to the internet

I am doing a bit of experimentation with my home network and have the following setup: +---------+ +----------+ +-----------+ +----------+ | Host A |_WiFi_| Router A =1)___(2= ...
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99 views

Comcast gateway parental setting block CIDR IP Range

I'm not sure if this is the right place to ask this, but I am having trouble adding CIDR IP ranges e.g. 206.111.0.0/16 to my Comcast Gateway. I went to Manage Sites and it says: Please Input a valid ...
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0answers
275 views

iproute nexthop not working - defining multiple default gateways

I have several point to point connections and I'd like to use all of them as default gateways. I saw this link which explains how to do this using load balancing by calling ip route with a nexthop ...
1
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0answers
224 views

websocket behind a firewall

I have a computer with a strong CPU and a lot of memory (strongy) running Windows Server 2008 R2, that is blocked by a firewall from any access from the outside world. I have a computer with a weak ...
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0answers
654 views

Allow access to internet with DD-WRT OpenVPN in bridging mode

I am having issues with my OpenVPN configuration on DD-WRT. All traffic has to be routed through the tunnel. The DD-WRT device is not directly exposed to the internet, so the firewall is disabled. ...
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0answers
61 views

Resetting route via cmd

I have recently encountered problems on Windows 8 with my VPN connection messing us my route settings, and I'm wondering if it is possile to reset the setting to a working state by using route, namely ...
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0answers
285 views

PPTP VPN connection disconnecting when accesing an IP over VPN

I have two PC lan behind a router. I am connecting to my company network through a VPN. I was not able to reach an IP, nor access the internet. The VPN connection would be disconnected automatically. ...
1
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0answers
858 views

Route summarization: How to get the route summary patently. (VLSM, CIDR)

i'm looking for a smart and short way to calculate summary routes. (CIDR, route summarization) I'm common with the subject matter of summarization, supernets, VLSM, CIDR etc. but I don't always ...
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0answers
47 views

How does a Benes network work?

How does a Benes network work? If I have a Benes network with 8 nodes on each side, like this one here: . . . how do I know whether or not I take the upper or lower port of a switch in each stage? ...
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0answers
84 views

how to Specify which physical interface the VPN interface should use, Windows7

I have two physical interfaces which both have internet connection different from each other, and I have VPN virtual interface. I want to specify for the vpn which physical interface it uses .. how is ...
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0answers
213 views

Route problems with OpenVPN through a local Astaro firewall

I am trying to connect to a OpenVPN server on my Windows 7 desktop though my Astaro (ASG) Firewall. I got it setup and can connect just fine but I can't surf the web. I can ping websites like ...
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0answers
42 views

Route everything from some VLANs to a tunnel

I've set up a tunnel: $ ip tunnel add mytunnel mode gre remote x.x.x.x local y.y.y.y ttl 255 $ ip link set mytunnel up $ ip address add 172.17.10.2/30 dev mytunnel $ ifconfig mytunnel up Now, I can ...
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0answers
100 views

How do I route in to a dynamic network (pptp client)?

I have a Centos 6 server. It is acting as a pptp server. My home router is dialing a pptp connection to the server as a client, and gets an IP. Communication between them is fine, but I want the ...
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0answers
403 views

Routing table on Linux not respected

I have a very specific problem, building a Linux VPN endpoint (with external VPN Gateway), which should route certain networks over the tunnel, others via default gateway. The Linux VPN should do a ...
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0answers
246 views

Routing specific IP/block to VPN and the rest to net_gateway in OpenVPN

VPN is working properly. However, I wanted to route only a specific IP/block to net_vpn and all the rest of the traffic to net_gateway. route 192.168.1.0 255.255.255.0 net_gateway route 10.8.1.0 ...
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0answers
1k views

Setting default route for tun1: RTNETLINK answers: No such process

I am currently trying to route all incoming and outgoing network traffic to/from applications listening on an OpenVPN tunnel tun1 through said tunnel. Here are my devices: tun0 is an OpenVPN server ...
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0answers
138 views

Linux route/IPtables with internal VM network

I am having some trouble figuring this all out. I have Windows 7 [10.10.30.1] ROUTER [eth0=192.168.4.134 eth1=10.10.30.254] Ubuntu [192.168.4.143] I can ping eth0 and eth1 from Win7, and also ...
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0answers
569 views

Routing a specific domain or range through a PPTP VPN and all others through direct connection in Windows 7

How can I route .website/ through a PPTP VPN, while keeping all other traffic going through my default connection? I have tried using the Switchy! Chrome extension, but all my traffic is still being ...
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0answers
3k views

Cannot delete a route in redhat linux

I have the following entry in a redhat linux machine to reject the private network route: Destination Gateway Genmask Flags Metric Ref Use Iface 10.0.0.0 - ...
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0answers
568 views

How to get all traffic in the network to a specific site to be directed through a proxy?

One of the servers in my LAN is running a certain SOCKS proxy, through which I'd like all traffic to example.com, from the entire LAN, to be automatically routed through without any configuration on ...