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

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19
votes
2answers
13k views

Does All LAN Traffic Travel Through A Router

I have a very simple question: if I have a router (DHCP enabled - leasing IP addresses between 192.168.0.2 and 192.168.0.254) with a switch plugged in, and I plug two computers into the switch, will ...
3
votes
0answers
1k views

routing single application through any kind of vpn on OSX

OSX Application should run through manually selected route (vpn connection). Best idea I had is to put squid on separate linux machine, setup VPN on that machine and make iproute (shorewall) handle ...
5
votes
2answers
3k views

Why does `route` hang for a while before the route table being dumped?

Typing the command: % route Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 * 255.255.255.0 U 2 0 ...
1
vote
1answer
6k views

How to debug Remote Desktop Connection when intranet connection works, but not external

How can I setup Remote Desktop Connection (RDP) when I've exhausted all my known searchable resources? I am attempting to set up Remote Desktop Connection on my Windows 7 Ultimate version and have ...
3
votes
1answer
2k views

How do I setup 1:1 NAT?

I am about to get a group of 5 public (external) IP addresses from my ISP. I have a Netgear WNDR3700v2 router. I was told that 1:1 NAT would be the way to assign static public IP addresses to some ...
0
votes
1answer
1k views

How to add Public (External) IP Addresses to my private network (windows domain controller)

I have set up a private domain network at home. I have a domain controller, a DNS server, and a DHCP server all running on one Windows 2003 Server machine. I have about 10 other machines around the ...
2
votes
1answer
2k views

Connecting to resource on vpn, while normal traffic routes through normal connection

I'm running Windows 7 and am trying to connect to a specific IP on a VPN network that I'm connected to. Since I don't want all Internet traffic to go through the VPN connection and I want to be able ...
27
votes
6answers
24k views

Does DD-WRT QoS actually work?

There have been various reports of DD-WRT QoS not working (here, here and elsewhere). The DD-WRT QoS Documentation mentions some checks would indicate whether the proper priorities are being applied ...
6
votes
3answers
8k views

What purpose is there in handling PPPoE on the router, rather than the modem?

I'm wondering what benefits there is to using "bridged" mode on a modem. If your router can handle PPPoE, is there any reason to bridge it over to the router, rather than having it run on the modem?
3
votes
2answers
2k views

2 gateways 1 nic Ubuntu

Please note that this is ONE NIC and TWO Gateways Now this solution is super easy in Windows: * Connection Properties -> TCP/IP Properties -> Default Gateways -> Add (separated by metrics) I notice ...
1
vote
2answers
5k views

Setting up a Linux server with a public Static IP

I have setup a Ubuntu Linux server in an office. It should have a public IP so that outside users can access the internet. Currently, it is set with a public IP, but is it supposed to have a local ...
1
vote
1answer
614 views

How does a MacOSX VPN connection route traffic by default?

I connect to a VPN from home to work. I use Mac OSX 10.6.x's built-in Cisco support to connect. There are no non-default settings after authentication (eg to do with routing). How does network ...
0
votes
2answers
1k views

Routing table entry appears to be ignored on my Mac

I have a pretty standard setup at home, which consists of a single subnet 192.168.240.0/24, and my DSL router sits on 192.168.240.1. Other devices occupy 192.168.240.64 onwards. But I've now added a ...
1
vote
0answers
172 views

How do I get my other computer to connect to the internet?

I have a WAN VPN with dynamic IP. I have configured my D-Link DIR-300 router so my computer is now connected to the internet. I want internet also on another computer in the room. Although I've ...
5
votes
2answers
13k views

Problem with persistent routes and VPN connection in Windows 7

My home PC has a VPN connection to my office. The office network is firewalled, with a secure zone on 192.168.0.* and a DMZ on 10.0.0.* From outside, www.mycompany.com routes to a public IP - say 1....
0
votes
1answer
920 views

Iptables prerouting and IP forwarding

I have a linux machine used as gateway for a Win XP machine. Both are in Virtual machine for testing purpose. Now I want to trick the Win XP user (me) with the forwarding of an IP address: I want to ...
5
votes
1answer
5k views

How can I route *some* traffic over an SSH SOCKS proxy on OS X?

I have a SSH SOCKS connection running for VPN purposes, and this works beautifully. By using either FoxyProxy for Firefox, or a .pac file for OS X's Automatic Proxy Configuration option, web traffic ...
1
vote
1answer
214 views

Server is not reachable from one single IP (no iptables-rules nor host.deny)

I have a Debian-Server with IMAP, Apache, and SMTP running. From one particular IP I have no access to the server -- the server is unavailable, but for other clients it is available! I can not ...
0
votes
1answer
274 views

Rerouting international traffic based on GeoIP

My home connection is slow internationally but fast locally. My private remote server is fast both locally and internationally, but it does not pay off to use it locally due to proxy/VPN overhead. Is ...
0
votes
1answer
597 views

Second router on LAN is connected to other router via PPTP, but one network can't talk to the other

My ISP/Model router is set to 192.168.0.1 My DD-WRT is set to 192.168.0.80. A Linksys WRT300 that was flashed with a DD-WRT.BIN specifically for it (not the generic one). It uses the PPTP ...
0
votes
1answer
9k views

Connect to my entire LAN through OpenVPN, QNAP

I'm trying to set up an OpenVPN server on my QNAP Nas. My network: Router: 192.168.0.254 QNAP Nas: 192.168.0.5 Some other computer in LAN: 192.168.0.7 Subnet 255.255.255.0 I've forward port 1194 ...
3
votes
2answers
10k views

How to isolate WLAN clients in OpenWRT?

I'm currently setting up a public wireless network. I want to prevent the clients from talking to each other. Here's my current setup. /etc/config/firewall without anything related to lan: config ...
7
votes
4answers
6k views

Route the traffic over specific interface for a process in linux

Is it possible to route the traffic used by a process over a specific interface? For example, network traffic by download application should always use the interface wlan0 whereas all other ...
0
votes
1answer
580 views

What software should I use to restrict traffic on my LAN?

I would like to use restrict network traffic on my LAN at home. I have one laptop and one PC. I use D-Link 502T router (it does not have many functions). I have started to work with squid but I don't ...
1
vote
2answers
2k views

Route all the traffic through my laptop (using Squid) wit Windows

I have just installed Squid on my laptop and I am successfully blocking all the traffic that I want to block ( websites, protocols etc. ). But I would like to route all the traffic form my LAN ( have ...
1
vote
4answers
6k views

iMac cannot resolve DNS (or find route to host?) for some sites but Windows can?

In my home network I have a couple of Windows based PCs that have no known issues with DNS but with my OSX iMac I have problems resolving a couple of random domains. Some domains that I have problems ...
7
votes
3answers
6k views

Disable CISCO VPN client routing for selected subnet on Mac OS X

I'm using a Mac laptop and when I am connected to the CISCO VPN, all traffic is routed through the tunnel. However I need to run a VM (VirtualBox with Ubuntu as guest) for certain services. VM is ...
1
vote
2answers
1k views

Allowing wireless Internet but restricting LAN access

The following diagram represents my current network. I would like for the Phone and the Laptop both on wireless to have internet access but not access to the other PCs/shares. I have access to ...
22
votes
8answers
61k 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
votes
1answer
1k views

How to redirect / route VPN traffic to back standing local network?

There are two computers one "HOME" with Ubuntu 10.10 installed, and another "WORK" with WinXP installed. WORK PC is behind draconian firewall. However, let's imagine, that there is VPN connection ...
0
votes
2answers
144 views

Emergency ad-hoc network using home computer wifi

Power is out here, across the region. (minor, expect it on in 2 hrs) If I power the fiber-modem with my ups, I can get a connection. If I set my apple to 'share internet connection' across WiFi, I ...
3
votes
2answers
2k views

What is the netmask equivalent on the version of route for the Mac

In order to create some special routes for debugging I used the following command on my linux server: sudo route add -net 10.78.0.0 netmask 255.255.0.0 gw 10.101.1.1 which works, and sets up the ...
0
votes
1answer
1k views

Internal working of rules in forward chain for NAT

I am trying to understand how exactly NAT works to solve another bigger problem, here is my linux box setup: Interface eth0 connected to internet (public IP address) eth1 connected to local network ...
0
votes
1answer
423 views

Linux box acting as wireless access point to share the internet connection

A linux machine is connected to internet over two interfaces ppp0 and ppp1 using two modems. Also this machine acts as wireless access point through an interface say, eth0 with ip address 192.168.1.1 ...
0
votes
2answers
2k views

Linksys router with multiple external IP's

In an office I've got a network connection with 5 external IPs and a Linksys router (I'm not 100% percent sure of the model). I need 4 of those 5 IPs to be routed to a server, and the fifth to be ...
0
votes
3answers
3k views

Getting “no route to host”in Mac OS X 10.5.8

I have an issue with one of my computer on my network. It is an iMac running OS X 10.5.8. The issue is accessing certain websites. For instance, one of these websites is that the computer is ...
3
votes
2answers
134 views

Will my internet address for my internal site cause my traffic to go external?

If I have two domains pointing to the same machine, but one resolves to an internal address and the other to my internet facing router, will there be any differnce in route taken to my machine (...
2
votes
3answers
5k views

Will multiple network cards increase bandwidth? [duplicate]

Possible Duplicate: Combining two ethernet ports I have two available wireless networks in my area, and currently I'm connected to one of them. I want to get a USB wireless adapter and connect ...
9
votes
5answers
56k views

Rerouting local LAN and Internet traffic when in VPN

I'm connecting to a VPN which doesn't allow split tunneling and basically reroutes my Internet traffic through, which is slow. Additionally and more importantly, this also effectively removes my ...
4
votes
1answer
1k views

Is it possible to connect to a PPTP VPN via Windows

At home I have two machines, one linux and one Win 7. The Win 7 box is connected to my work PPTP VPN. Is it possible for the linux box to connect through the windows one to the VPN? They are both ...
1
vote
1answer
587 views

Setting up an IPv6 DHCP + DNS router - hardware?

I would like to set up a DHCP (with MAC-bound allocation to mimic static) + DNS(SEC) router at home. I'm looking for hardware and software suggestions that fit into a small enclosure, approximately ...
2
votes
3answers
3k views

Route gaming data over wireless and everything else through LAN?

I have two internet connections available to me. One is via LAN. Not a great ping, but fast downloads. The other is via USB wireless adapter. Good ping, but slow downloads. I want to connect to both ...
1
vote
1answer
144 views

Selectively use network port

At home I have both an iMac and a Mac Mini, both running OS X 10.6.6. Both connect to the internet via the same 802.11n wireless network, however performance can be very poor when I perform a large ...
0
votes
1answer
132 views

Remove adapter defined routing entry

I need to remove (or change) the default entry in the routing table for Windows XP, which routes packets with a destination equal to the adapter's address to localhost. The reason for this is I ...
2
votes
2answers
2k views

How do I route my traffic through my internet connection instead of VPN?

At the company I work we used to have a PPTP VPN connection and all I would have to do to use my internet connection and not pass through the company network to download files from the internet was to ...
7
votes
5answers
3k views

My university tells me I can't use a router in my dorm. Is there any way they can tell?

We're behind some kind of Cisco routers, and have to connect via the Cisco NAC Agent. The tech support here at my university tell me that if I connect a router "the whole building will lose internet ...
0
votes
1answer
2k views

Use both OpenVPN & eth0 together

I connect to a VPN using openVPN. Now, after the connection is established, all my traffic goes through tun0. My LAN gateway is 10.100.98.4... So, for apps to use my direct internet connnection I did ...
0
votes
2answers
179 views

Priority of network connections

I have a laptop with win7 and a LAN connection and a HSPA connection.. I need to set it up so that all internet traffic goes through the HSPA and never through LAN connection which also has Internet ...
2
votes
1answer
16k views

iproute2 not functioning (“RTNETLINK answers: Operation not supported”)

The command and error message: gtwy ~ # ip rule add from 64.251.23.186 table t1 RTNETLINK answers: Operation not supported Older article of the same problem, but it did not help me: http://forums....
3
votes
1answer
2k views

Linux: multiple network connections - 3G/4G / Wifi / LAN / etc; how can i set a preferred network connection to use?

I've been looking at how I can setup a laptop that has multiple network interfaces, but a problem exists if all the connections are active, i.e. 3G, WiFi and LAN are all connected, I would like it to ...