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2
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2answers
589 views

I have an SSH proxy working, now I need to select a different outgoing IP for my client

I have a SSH tunnel set up to my dedicated server via Putty which I am using as a socks proxy. The problem is I need to use a different outgoing IP address than the main IP of the dedicated server. I ...
1
vote
2answers
672 views

Tunnel an SSH connection transparently (no ProxyCommand)

Here's the scenario: the user runs "ssh -i sshkey user@server1". I want the SSH connection to be tunneled through server1 to server2. Normally, the user could do this himself using: ssh -i sshkey ...
1
vote
2answers
348 views

multicasting in different networks in java

I'm writing a code to work through sockets in java. I've created a multicast group to which anybody can join on the LAN. But the LAN has many different networks, operated by a router, and the ...
0
votes
2answers
3k views

Cisco AnyConnect VPN via OpenVPN tunnel [Unable to modify IP forwarding table]

Background: I'm working as a contractor for a small web design agency. We have a particular project / client requires that any updates / development that are performed are done via VPN. The client VPN ...
0
votes
2answers
149 views

ssh tunnel setup via a gateway, possible?

local -> gateway ( only ssh port enabled ) -> remote I can ssh to gateway then to remote, no problem. Can I establish a ssh tunnel between local and remote via gataway? I 'd like to access ...
3
votes
1answer
114 views

secure connections between vps servers

I have four VPS servers. Two of them are replicated glusterfs server and the other two are glusterfs clients. What I want to do is to encrypt all communications between glusterfs servers and between ...
2
votes
1answer
160 views

How to silently buffer tunnel traffic on network split, and automatically renew the connection when possible?

I have a slow connection between two machines, one in Germany and another in China. Connection sometimes breaks apart, and the packet loss is about 5%, at times even reaching 20%. Chinese machine has ...
2
votes
1answer
539 views

portforward ec2 instance to localhost for rails development

I'm trying to work with facebooks real-time updates but I'm having trouble giving facebook a callback address that they can use. My dev machine is behind a firewall so I want to use an ec2 instance to ...
1
vote
1answer
130 views

Debian don't forward through L2TPv3 more than mtu l2tp virtual interface

R3--R1--Internet--R90 R3: ip addr 10.123.0.3 R1: sudo ip l2tp add tunnel tunnel_id 699 peer_tunnel_id 699 encap udp local 5.254.174.8 remote 5.254.174.90 udp_sport 699 udp_dport 699 sudo ip l2tp add ...
1
vote
1answer
209 views

Apache proxy HTTP CONNECT method handshake failure between Apache server and destination server

Apache/2.2.25 (Win32) mod_ssl/2.2.25 OpenSSL/0.9.8y I'm trying to get the HTTP CONNECT method working with Apache. I'm testing it with two different destination servers. It works fine with one ...
1
vote
1answer
92 views

What are my VPN options?

We are changing ISPs and at the last minute the new company is refusing to set up a critical VPN tunnel that we currently have. Data comes into our office via a line into an ISP controlled firewall ...
1
vote
1answer
349 views

4in6 tunneling software for Windows

I have a VM running Windows 2008 R2, and I need this VM to connect to a remote site using VPN. The VPN software does not support Windows 2008 R2 or any other 64 bit operating system, so I can't ...
1
vote
1answer
160 views

How do i tunnel through a keyed ssh login into an svn server not running on a default port?

I have access to a server via standard ssh, logging in password-less via a key. On that remote server i can access another server, which has svn on a non-default port, like 174.53.45.6:3456. I'd ...
0
votes
1answer
54 views

GRE Tunnel in CentOS

How to create a GRE Tunnel in CentOS pointing all connections to server A for the server B? I have a public server with DDoS protection and need to use this as a firewall to filter acess to the other ...
0
votes
1answer
75 views

How can I bridge a VM to a remote network?

I have a system running QEMU/KVM (via libvirt). One of its VMs needs to have a presence on a subnet that is not local to the VM host. I have a Linux system on the remote subnet. Is there a way to ...
0
votes
1answer
851 views

Vpn tunnel to Amazon VPC with pfsense

I'm trying to create an ipsec tunnel between my office and our Amazon VPC. However I have never used ipsec before so I'm at lost. The gateway/firewall is running pfsense 2.1.3-RELEASE (i386) on ...
0
votes
1answer
54 views

Can I assign a virtual interface (VPN) to a 'real' interface / NIC of my choice?

I have a small server , running MINT linux with two NICS (eth0 and eth1) and I'd like to setup the MintBox as a VPN client to connect to a web-hosted VPN server. All works wonderfully on the VPN ...
0
votes
1answer
117 views

VPN ipsec tunnel from router to single windows server computer (gateway-to-host)

Firstly, is this possible? I haven't seen any posts that talk about this. The situation: 2 different ISP's. One has several servers and a firewall running. The other is limited to only one virtual ...
0
votes
1answer
305 views

How to troubleshoot GRE tunnel issues?

I commonly run into issues where a GRE tunnel (CentOS server to server, not router based) works and pings fine from both ends but the IP / Range being tunneled does not function. This almost always ...
0
votes
1answer
491 views

Forwarding SNMP ports over SSH

I access my work network through a VPN and have access to every host in there through SSH. Currently I need to access around 3000 hosts via SNMP, but corporate sec policies restrict SNMP access ...
0
votes
1answer
3k views

How to share internet over VPN and inside a virtual machine (Windows)?

` My final goal is to have a virtual machine at work in which anything that happen inside (tcp, udp, ping, ...) will use the Internet connection of a computer at home. So, if inside this VM should I ...
0
votes
1answer
49 views

How Tunneling can be configured or set up in this scenario

I have a scenario like there are two servers 1.On the first server where apache and tomcat are running on different ports.For eg ip would be 172.168.2.19 2.There is a second server where jboss and ...
0
votes
1answer
830 views

Gre Tunnel Cisco Linux traffic forwarding

I setup a gre tunnel a cisco router and a Linux machine, the tunnel interface in the Linux box named pic. Well i have to forward traffic coming from cisco through the Linux box. the rules i've set in ...
0
votes
1answer
182 views

How to redirect outgoing network connections?

I was wondering how would I redirect outgoing connections from all applications to a certain proxy or something like that without having to hook winsock functions on windows. I noticed Proxifier is ...
0
votes
1answer
377 views

configuration of 6to4 tunnel

I've got problem with configuration 6to4 on virtual machines. I've got two machines with ubuntu. Conf. of first machine: #ip tunnel del tun6to4 #ip tunnel add tun6to4 mode sit ...
0
votes
1answer
382 views

How to create a virtual ethernet card for SSH tunneling through USB device? [W7]

I have an SSH tunneling that is connected to an USB device that is connected to the Internet. How can I configure a virtual ethernet card that get everything to 127.0.0.1:1080?
0
votes
1answer
317 views

Can't remove tunnel created by Cygwin

I need to make a tunnel from Linux to my Windows 7 machine. I have been able to get it to work with Cygwin, but it's not possible to remove the tunnel later. To create the tunnel, I type: ssh -f -N ...
-1
votes
1answer
951 views

php http tunnel to mysql connection

How to create a HTTP tunnel to PHP to MySQL connection
2
votes
0answers
485 views

SSH reverse tunnel for Windows RDP

Microsoft RDP seems to behave strangely when forwarded via ssh reverse (-R) tunnel. Some products can handle it without a problem (i.e. tunnelier) some fail (libssh2, putty). When connected, the ...
1
vote
0answers
42 views

Cannot make TCP Connection with OpenVPN Server

Client OpenVPN assigned IP: 10.8.0.2 ↓ TCP on 1194 Internet ↓ Router port-forwards 1194 to server- Public IP 104.162.67.198 ↓ Server LAN IP: 10.8.0.1 I think the above is what I am trying ...
1
vote
0answers
27 views

process group A default route tun0, B default route tun1, etc

I have a Linux box with N tunnel interfaces, tun0, tun1, and so on. I want to set things up so that a particular group of processes, A, has its default (and only) route pointed at tun0. Meanwhile, a ...
1
vote
0answers
106 views

HTTP CONNECT request body is reduced to / when proxying through Apache

I am using Apache 2.2.15 as a reverse-proxy running on Scientific Linux 6. It is being used to connect an application to a remote server, where the application being connected to requires that the ...
1
vote
0answers
108 views

GRE tunnel not allowing Internet

I'm starting with GRE tunneling and I got two machines connected between them-self: tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet ...
1
vote
0answers
84 views

Connecting to IPv6 hosts when mobile and on a Surface?

Specifically, at my usual location, I have an IPv6 network which connects to the Internet via a static tunnel set up to Hurricane Electric's tunnel broker ( http://www.tunnelbroker.net/ ). This works ...
1
vote
0answers
192 views

GRE Tunneling Routing Issue

I am trying to establish a GRE tunnel on a GW running Linux (V2.6.39.3). The network topology is as following: local: PC_A is connected to a GW PC_A is represented by a dedicated RND (routed ...
1
vote
0answers
291 views

Switch stunnel from self-signed cert to signed by CA cert

We use stunnel configured to provide SSL-tunnel between SERVER A (where we have stunnel configured as client) and many SERVERS B (where we deployed stunnel configured to work in server mode). We use ...
0
votes
0answers
53 views

Debian forward through NAT EOIP GRE

eth0 = WAN eth1 = LAN to forward any port through nat I use e.g: iptables -t nat -A PREROUTING -p tcp -d 79.188.31.34 --dport 8291 -j DNAT --to-destination 192.168.0.36:8291 and it works, but ...
0
votes
0answers
14 views

Encapsulating VPN tunnels on Linux

I'm playing with python and networking and I want to write a program that allows me to select one of several VPN connections and encaspulate them within each other. That is to say, if I have VPN-A, ...
0
votes
0answers
31 views

Can I terminate an SSL Tunnel at the Load Balancer in Amazon VPC?

In other words, can the Amazon VPC load balancer be configured as an SSL Host? As a proof of concept, we've created this setup: Heroku Appserver <---> VPC Load Balancer <---> Ubuntu SSL ...
0
votes
0answers
146 views

Redirecting traffic through ssh tunnel

I'm trying to redirect the traffic coming from clients to external proxy server. I've the following architecture +----------------------------+ ...
0
votes
0answers
299 views

ssh reverse tunnel port forwarding connection fails

Updated: diagram http://s22.postimg.org/b2jfgawup/diagram_ssh_tunnel_a1.png I am able to do a reverse port forwarding through the PUTTY GUI with settings similar to below. once I apply this setting, ...
0
votes
0answers
74 views

Listening “through” GRE Tunnel

Currently I'm looking to learn about using GRE Tunnels and I have the following scheme: Server1 (200.1.2.3) ----> Server2 (190.1.2.3) Both servers have public IPs Then I've setup a GRE Tunnel with ...
0
votes
0answers
83 views

What are pro and cons of gre and vlanx?

I need to connect two openvswitches in order to make a vlan. So, I would simply create trunk ports for certain vlan ids...ok. In order to connect two openvswitch, now, these ports can be either gre ...
0
votes
0answers
66 views

NO_PROPOSAL_CHOSEN error while connecting

crypto isakmp policy 1 encr 3des authentication pre-share group 2 ! crypto isakmp client configuration group vpn key cse123 pool SDM_POOL_1 acl 100 netmask 255.255.255.0 crypto isakmp ...
0
votes
0answers
103 views

Establish an SSH Tunnel out from behind a firewall

I have a box sat behind a firewall, and when its powered on (or internet connection resumed), I want it to connect to a server, allowing me to do a reverse SSH connection back to it. I'm currently ...
0
votes
0answers
211 views

Using public interfaces on a server connected through a GRE tunnel

I'm pretty new to networking so please forgive any terminology mistakes. I have 2 servers connected with a GRE tunnel. Server1 (10.0.0.1) ----> Server2 (10.0.0.2) I want to be able to bind to the ...
0
votes
0answers
118 views

Reverse SSH Tunnel closes after first connection

I am using a reverse SSH tunnel to expose a webserver within my network to the internet. The “inside server” is behind a firewall within a network. The “outside server” is an Ubuntu server with a ...
0
votes
0answers
43 views

Remote listen to port

I have local server exists inside a corporate local network which is running a web-server at port 8080. I would like to make it available to the internet. But it is inside a local subnet with NAT to ...
0
votes
0answers
57 views

Linux + OpenVPN + SNAT + Failure on client grab the reply to it's own generated traffic

Ok, I'm really desesperate I need to release an openvpn deploy to get rid of a dying server. On the subject: I installed OpenVPN with a routed interface (tun0) into a server with a public IP + 3 ...
0
votes
0answers
62 views

tunnel two windows or linux server with routing packets

I would like to use IPIP eoip tunnel for windows/linux. In addition, It's not necessary to be IPIP, I want to route connection from server 1 to server 2. You can see following flowchart: ...