0
votes
0answers
115 views

How to forward UDP and TCP traffic from one IP to another

I have a server with two LAN cards installed. I have one server in U.S and one in India. I have created a GRE tunnel to route all traffic from the U.S Server to my Indian Server. My traffic has ...
0
votes
1answer
307 views

How do I configure routing from host system to virtual machine?

I have an Ubuntu host system that is running a MAC-VLAN virtual interface on top of eth0 interface, ipv4 routing is enabled. Also, this system has a Docker (LXC) container running: docker0 Link ...
1
vote
0answers
79 views

How does IPv6 forwarding work when I have an ubuntu router as well as a local router [closed]

I had this question about ipv6 forwarding.I have an Ubuntu machine with 2 network interfaces (eth0,eth1). Lets say the interface eth1 supports ipv6 addressing and has an ipv6 address of bbbb::100/64. ...
2
votes
3answers
184 views

Force local TCP packets over network segment for capture

I have two machines, A and B, running RHEL Linux. Each machine has a 1Gig network card connected to what I call the "LAN" network. Each machine has a 10Gig network card that is connected to what I ...
2
votes
1answer
78 views

allowing forwarding on a root server, security risk?

Having a root server without iptables rules (I know this is not good, it's just temporary tho in my case), and having configuration like this (for VPN reason): echo 1 > ...
0
votes
1answer
213 views

redirect traffic from 2 Ubuntu external NICs to specific internal hosts

I am having problems redirecting incoming traffic to 2 external facing interfaces on my Ubuntu 12.10 server to 2 separate internal hosts. I am able to redirect incoming traffic on my eth0 just fine to ...
2
votes
1answer
306 views

Can't connect to instance via floating IPs, not natting/forwarding properly

I'm having trouble getting floating IPs to work properly on my OpenStack setup. It looks like the controller node (running nova-network) isn't forwarding the traffic to the instances. I've got a ...
1
vote
1answer
148 views

Make device accessible outside firewall with OpenVPN

I have an OpenVPN server and a few clients already configured. The server allocates IP addresses in the 10.9.9.1-254 range. One of these clients, "J", is allocated 10.9.9.24 on the VPN and 10.0.27.9 ...
0
votes
1answer
286 views

How to route, using Linux, from nested private subnets to internet [closed]

In our departement we have a blade system with one master node and four slave nodes that are connected to the master node. The system uses its own subnet (192.168.1.x) and only the master node is ...
0
votes
1answer
93 views

Tunneling mysql through a second server not visible to the outside

This is the setup: I have 1 debian server deep within the network running a mysql server. I have a second debian server who is exclusively allowed to access the mysql server of the first server. I ...
2
votes
1answer
462 views

Forwarding ports of KVM guests

I have enabled network forwarding on ip say 10.20.20.34 on eth0. I am running KVM on say 10.20.20.45 and a vm is running on it with its display on port 5902. I can access the display if i connect ...
1
vote
3answers
271 views

Forward Hostname via my router to another PC for debugging

My web service runs on for example: http://mydomain.com/mywebservice.asmx. This works great, but I have a PDA application which I want to debug it synchronising through this web service. Currently the ...
1
vote
2answers
938 views

Bridge VPN connection with LAN

I use a Nortel SSL-based VPN suite (it loads some Java Applet which sets up a VPN connection) that works great under Linux. When connected I see a tun0 device connected with the IP address I'd expect ...