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Questions tagged [ip-forwarding]

138 questions
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2 answers

connect Open vSwitch switch to real network : iptables masquerade

I'm using Open vSwitch to create a switched network between virtualBox guest machines, and i want that the host OS (Ubuntu 12.04) join this network and to configure it as the gateway of this virtual network: First, i created a vswitch and i added…
LokmanDz
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1 answer

How do I enable IP-forwarding in MacOS X?

What is the correct way to enable IP-forwarding in MacOS X? More specifically, what is the MacOS X command line quivalent of the following two Linux commands: echo 1 > /proc/sys/net/ipv4/ip_forward iptables -A FORWARD -j ACCEPT
knorv
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10
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2 answers

Map IP to another IP

Assume the following scenario, if I have a local machine (A) the requests another machine (B) using B's internal IP without regard the ports. But A and B are not on the same network, however, B has a public IP. what I want to do is when requesting…
Yahia
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1 answer

Bind outgoing SOCKS-server traffic to a specific IP

At the office we get access to the web via a SOCKS server which is started with the command: ssh localhost -f -N -D *:8888. This server has 2 IPs (but only one network card): eth0 xx.yy.zz.1 eth0:1 xx.yy.zz.2 So the browsers are configured to use…
GetFree
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7
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2 answers

How do I forward/NAT all traffic to one interface/IP to a remote IP?

I have one "server A" that has multiple IPs attached to it, like so: eth0:0 1.1.1.1 eth0:1 1.1.1.2 eth0:2 1.1.1.3 I have another "server B" that also has multiple IPs attached to it, like so: eth0:0 2.2.2.1 eth0:1 2.2.2.2 eth0:2 2.2.2.3 Now, I…
Daniele Testa
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6
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1 answer

Docker bridge and nginx allowed ip

We have a docker bridge containing several docker containers. The main docker is an nginx server which acts as web host and forwards all data to the other containers. Now a requirement is that the connections are limited to only a specified list of…
paul23
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5
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2 answers

Pings from VPN network to VPN client work; pings into from VPN client to VPN network fail - why?

We are in the process of setting up an OpenVPN server for some servers running in a cloud. We are stumped with a connectivity problem whereby the hosts on the VPN server's LAN can ping te VPN client, but the reverse is not true. The VPN client can…
jonseymour
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3
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9 answers

IP forwarding on Linux - anything important to make sure to do or know?

In moving a website with a dedicated IP from one server to another, to minimize downtime due to DNS propagation delays, there's the approach of using IP forwarding so that all traffic to the original IP gets forwarded to the new IP. Is there…
sa289
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OSX Yosemite IP Forwarding not working

I coudn't manage to set up basic ip forwarding on OSX Yosemite 10.10.1 Mac-Mini. I use the exact same configuration on a OSX Mavericks 10.9.5 Mac-Mini, and it's working perfectly ? I set the sudo sysctl -w net.inet.ip.forwarding=1 sudo sysctl -w…
rubijn
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1 answer

Getting the client IP when passing through a reverse proxy

In my VPS I am hosting several websites. everyone living in its own Linux Container. For instance Site #1 -> 10.0.3.111 Site #2 -> 10.0.3.112 Site #3 -> 10.0.3.113 To know where to redirect each request, I also have a reverse proxy nginx in…
Enrique Moreno Tent
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3
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3 answers

Redirect IP Address to Domain Name

I am attempting to redirect the IP address of my domain to the domain name and am running into trouble. The IP address does not redirect to the domain name listed in the redirect statement below. The IP Address is http://184.168.27.44/ I've setup…
SwDevMan81
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3
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2 answers

Linux: Ip forwarding or bridge?

On a Ubuntu 8.04 I have two interfaces eth3 and eth4:avahi. eth3 is in my local network with 192.168.178.63. eth4:avahi has the ip 85.214.144.211. From this box I can ping 85.214.144.212 successfully. On a windows box in the same local network…
user4514
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2 answers

How to Turn on IP Forwarding for Interface If Forwarding Rule Was Already Created

I am trying to turn on IP Forwarding for an interface of an instance hosted in Google Cloud. I have a f1 micro VM instance on Google Compute Engine. I've created an IP forwarding rule with gcloud succesfuly here. Command compute forwarding-rules…
ilyaigpetrov
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1 answer

Sharing CheckPoint VPN connection

Sorry for my english. I have 2 VirtualBox VM. One with Debian 8 and the other with Ubuntu Server 14.04 LTS. Both configured with a bridged network adapter. Both machines have the same MAC an IP address (I never use them simultaneously). In both VM,…
Pepechuga
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How to forbid forwarding packets to private network addresses via interface

On my server, I have a default route to interface eth0. It has public internet address and faces ISP network. I have packet forwarding enabled, and few local interfaces/bridges with private 10.x.x.x addresses. Also, all packages that are outgoing to…
Dmitriusan
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