Tagged Questions

0
votes
0answers
57 views

DNS not working on Host Only - NAT firewall

I am setting a private network connected to a firewall that filters the access to internet. So far I have a ubuntu virtual machine (the firewall) with two interfaces, host only and NAT, also there is ...
0
votes
1answer
26 views

internet access on natted server

I have two linux servers say X and Y. There is a VPN connectivity between the two, such that X can connect Y through some ports(e.g. 22,5901 etc) but Y can not connect X. internet is available on X. ...
3
votes
4answers
2k views

how to ssh two computers behind NAT and Firewall, without third computer

I am trying to ssh into my Linux box at home. My home is a dorm-style environment - NAT and Firewall with personal laptop running Arch Linux. My work is corporate style Windows 7 - NAT and proxy ...
0
votes
0answers
315 views

Robust way to acces my computers behind NAT and firewalls?

I am searching for a robust way to access my computers (on any port when possible) whether they are behind several NAT gateways or not. By robust I mean I want to access the computers whenever they ...
1
vote
1answer
232 views

Stopped windows firewall service during ICS, how is this possible?

Although windows firewall is required to be on when you "start" Internet Connection Sharing, you can stop the WF service with MMC. When done a client can still use the host machines internet. The ...
0
votes
0answers
718 views

iptables trouble: nat with ip alias (virtual interface) not working

I'm setting up an Ubuntu 11.10 server to act as firewall for a network running several different SSL websites. The idea is fairly common: have all public IP's for each site aliased to the public ...
1
vote
2answers
2k views

SSH connection between two behind-nat computers through third public-ip computer

I have a computer at home (home-server) that runs irssi, rtorrent etc. My ISP is blocking every traffic from outside (dumb, I know, but it's the only ISP I can have). I want to be able to log in into ...
1
vote
1answer
336 views

Shorewall NAT problem

I have installed and configured Shorewall with two ISPs. I want to provide Internet access to the clients and the other connection for servers connection and NATs. I can navigate both from the ...
1
vote
2answers
266 views

Firewall in front of device with public IP address

Is it possible to have a firewall in front of a device with a public IP address without getting in the middle of NAT? I have a server that I need to put on the internet, but I want to put a firewall ...
5
votes
1answer
390 views

Rackspace Firewall/Gateway Setup

I have rackspace account and wish to have this sort of setup: Firewall/Gateway eth0 - Public IP (56.X.X.X) eth1 - Private IP (10.X.X.X) Ubuntu 10.10. Accepts connections from the internet and ...
10
votes
4answers
4k views

SSH access to office host behind NAT router

I would like to access the ssh port of my office linux host from home. Unfortunately the host is located behind a NAT router. So, the IP address is not publicly available. There is however access to ...
0
votes
1answer
571 views

How can I make my livebox route to my external IP address for a computer in the DMZ?

I have a sagem livebox 2 (Fiber optic model), and have placed my computer in a DMZ. People from outside of my network can access my comp fine via its external dyndns.org address, yet when I try to ...
0
votes
1answer
336 views

SSHFS between two firewalled machines via third-party proxy

Both my home machine and my destination machine are behind NAT routers I have zero control over. I have a non-firewalled VPS that I can use for proxying requests. How do I set up sshfs from my home ...
1
vote
1answer
3k views

What router settings are required for Windows 7 Remote Assistance?

I want to connect to someone's PC using Remote Assistance in Microsoft Messenger. Both PCs run Windows 7. The remote user is the one initiating the request. We're both behind firewalls/routers ...
0
votes
1answer
599 views

Ubuntu 9.04, Firestarter complaints even behind the NAT router

I'm behind a router. In router config, I blocked: all (inbound and outbound) UDP inbound ICMP Local iptables are configures with Firestarter wizard: block all incoming connections allow all ...
1
vote
3answers
991 views

Trouble setting up UltraVNC over my router

I'm trying to setup UltraVNC on my home computer so that I can access it through my router. I'm running Windows 7, with UltraVNC 1.0.8.2, over a Linksys WRT610N Router. I'm able to connect to my ...
0
votes
2answers
128 views

Will a standard NAT-router firewall stop outgoing traffic?

Will a standard NAT-router firewall stop outgoing traffic? I can see that the firewall will stop incoming traffic, but what will stop outgoing traffic in the case of malware being on the machine? Is ...
4
votes
2answers
4k views

How to open file and printer shares to the internet?

i tried to make file and printer sharing open to the internet on NT3.51 in 1998, but it just refused to actually ever work. Are are the IP ports and protocols that must be port-forwarded to make file ...