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0answers
25 views

multiplexing a TCP connection through a dumb shell connection?

I am connecting to a VPN whose gateway is sufficiently misconfigured that basically the only useful thing I can do with it is to ssh to a specific Linux host set up for my usage inside the VPN, and ...
0
votes
1answer
1k 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 ...
1
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2answers
6k 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
1answer
7k views

Transparent Ethernet over GRE not forwarding traffic

I am running on Linux 2.6.30.9 and have been trying to setup a transparent ethernet over GRE tunnel. The network topology used is as follows: I want to bridge PC1 and PC2 using Transparent Ethernet ...
0
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1answer
2k 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 ...
2
votes
3answers
3k views

Squid traffic tunneled through VPN

So what I'm trying to do is have a Squid Proxy run on 1 machine along side a VPN connection. What I want to happen is all traffic running though the Squad Proxy would run though the VPN for its ...
0
votes
1answer
27 views

Reverse ssh for location distributed system behind firewall

We have multiple machines located in different area behind firewall which don't have Static IP and can't be accessible from the outside. We would like to access those machines but are wondering what ...
13
votes
7answers
9k views

How would you send syslog *securely* over the public Internet?

So I've got a few servers which I'd like to log centrally but obviously I don't want to pass the data insecurely over the internet. I've tried syslog-ng but can't make it work in a secure way, a ...
-3
votes
1answer
24 views

How to use ssh tunneling for remote web server

I have my localhost, gateway, remote web server. I cannot access remote web server from localhost. Is there an ssh tunneling command which I can run only on my localhost which would provide me ...
2
votes
0answers
87 views

How to use an IPv6 Edge router in an IPv4 network?

Background I have the following set-up: I use 6LOWPAN (IPv6 implementation in IEEE 802.15.4) on my sensor link that have IPv6 addresses (stateless) as aaaa::xx/64 It uses RaspberryPi (RPI) as an ...
0
votes
1answer
58 views

SSH LocalForward Through Middle Machine

My setup looks like this: +--------+ +----------+ +-----------+ | Laptop | <---> | Middle | <--> | Server | +--------+ +----------+ +-----------+ And the ...
4
votes
1answer
474 views

How to setup an encrypted L2-Tunnel using MikroTik Routers?

What I would like to achieve I want to securely spread an existing internal subnet over multiple buildings. That means that I have two locations with virtual machines that need to be within the same ...
2
votes
0answers
145 views

Tunnel only specific port over OpenVPN on OpenWRT-Merlin

My Asus RT-AC87U router is running OpenWRT-Merlin. OpenWRT-Merlin allows you to set up an OpenVPN client and disable NAT so that you have to manually configure the routes for this VPN. How do I do ...
1
vote
1answer
69 views

Route all Ipv4 traffic over a 6in4 tunnel using RouterOS 6.x

Would it be possible to route all IPv4 traffic over an IPv6 tunnel? Let me elaborate, let's say I establish a tunnelbroker (HE) 6in4 tunnel, using IPv4 (duh!), but then I want to relay all my IPv4 ...
-1
votes
2answers
74 views

set up secure connection over SSH [closed]

I'm setting up a server application which requires to establish a secure connection over SSH2, e.g. a client must open SSH2 connection to the server to reach specific application: % ssh -s -p5000 ...
4
votes
2answers
4k views

SSH VPN tunnel without having to enable root

ive been trying to setup a VPN SSH tunnel and ive had success executing ssh -Nv -w 0:0 root@192.168.2.2 -p 50 however what i am wondering is, can i do the tunneling without having root unlocked ...
0
votes
0answers
57 views

SoftEther Site-to-Site VPN

I have already already setup a Site-to-Site connection via the SoftEther bridge package. (Please see attached diagram). I enabled SecureNAT on the central server, and to avoid conflict with my local ...
1
vote
0answers
45 views

How can i use OpenVPN from SoftEther in android devices? [closed]

I want to know is there any chance to connect to OpenVPN that build in SoftEther in android devices using openvpnclient?
0
votes
0answers
52 views

Configure ipv6 to ipv4 tunnelbroker under linux

I'm running arch linux, with a ipv4 only ISP. I want to test how good my servers work with ipv6, especially my websites. So I set up an account at tunnelbroker.net (hurricane electric) and created a ...
1
vote
0answers
31 views

why ssh not route outgoing packages (pptp)?

I have VPS #1 that pptpd and sshuttle installed on it and VPS #2 that have ssh access to it I need to rout trafic from VPS#1 to VPS#2 (by tunnel because pptp not available to vps#2) for users that use ...
0
votes
1answer
2k 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
0answers
52 views

ssh tunnel to OpenBSD

I've got a remote machine running OpenBSD (version 4.8, though that shouldn't make any difference), acting as a firewall and using the packet filter pf(8) to forward incoming connection attempts to ...
0
votes
2answers
2k views

Connect two networks with OpenVPN

I am trying to connect two networks together via OpenVPN. Gateways can ping each other, however they cannot access other computers on the network they're joining. Logs don't show any errors, and the ...
0
votes
2answers
94 views

How to workaround a IP whitelist when consuming a 3rd-party API?

We use a service who's API will reject requests unless the source IP has been previously whitelisted. They only give us 3 slots which is a problem because we have more than 3 machines that need to use ...
1
vote
0answers
541 views

ssh reverse tunnel port forwarding connection fails

I am able to do a reverse port forwarding through the PUTTY GUI with settings similar to below. Once I apply this setting, I am able to run to the server box and run wget http://localhost:8080 <-- ...
0
votes
0answers
30 views

Policy Enforcement Point (PEP) in Windows

We are supposed to be implementing a file-transfer solution between us and a third-party, which uses a dedicated private line between us and them, and FTPS (i.e. FTP over SSL/TLS) to transfer files. ...
1
vote
4answers
6k views

How do I set up a port forwarding through SSH?

I have a shell account (Debian) and I want all my localhost browser internet traffic to go through that shell account. I know how to configure the internet browser and how to configure Putty for ...
2
votes
1answer
490 views

IPIP Tunneling for EC2 instances in different regions

According to this web page, it seems IPIP Tunneling should work in EC2 instances. But I'm not sure whether it also works for instances in difference regions. Did anyone have experienced it before? ...
0
votes
0answers
27 views

Reversed ssh through httptunnel

I used ssh tunnels (via ssh -R ...) to connect machines in uncertain network environments to a central server from where I can establish ssh connections to them. This way I already use two ssh ...
6
votes
5answers
4k views

Tunnel over UDP or TCP

Is there a way to create something similar to an IPIP or GRE tunnel only over UDP or TCP? I have a GRE tunnel between two servers and I noticed that sometimes it starts to drop packets. At the same ...
0
votes
2answers
2k views

GRE keepalive with Linux and RouterOS

I have a Linux host and couple of routerboadrs. I created a GRE tunnel, but Linux does not answer keepalive packages. Then router mark gre connection as unreachable, so I cant send to Linux host from ...
0
votes
3answers
2k views

Port forwarding with proxy server

I'm behind a firewall with incoming connections blocked on all ports. I'd like to run an Apache Web Server on my machine. Is it possible to configure a free public proxy server to forward the incoming ...
0
votes
0answers
121 views

create tunnel in order to access https via port 443

I have win machine that connected to Linux server 192.9.100.10 And Linux server has connectivity to the IBM blade center management GUI - 192.9.100.200 From my WIN machine I not have connectivity to ...
0
votes
2answers
296 views

SSH works but tunneling or SFTP doesn't. Why?

since 2014 I've got a server from SoYouStart, with Centos 7. It worked perfectly, but now I had to install again the OS. Now I'm configuring all the services to work again. I need to connect to the ...
0
votes
2answers
114 views

Tunnel SSH “Client -> Firewall -> Server1 -> Server1.2”

I need to make a tunnel from a client box to a server. The problem is that there are 2 boxes between them: CLIENT --- FIREWALL ---{ SERVER1 --- SERVER1.2 } CLIENT ============================= ...
0
votes
0answers
180 views

Keepalived lb_kind TUN: Requests are not answered by the real server

I try to make keepalived with tunneling running. The Loadbalancer is at 172.23.9.128 and the realserver is at 172.23.9.135 (with apache running on port 80). The VIP is 172.23.9.224 Here is the ...
1
vote
1answer
117 views

OpenVPN: Traffic Redirection not Working

tl;dr (after hours of debugging with @krisFR): At least under Debian 8, never use virtual interfaces (eth0:1) for OpenVPN, instead apply the new debian iproute2 methods (manual approach) described ...
0
votes
2answers
352 views

How could I send HTTP traffic from a computer only accesible via Remote Desktop?

I'm developing a Web Service Client. The Web Service is an special Government service only accessible from an internal network. Currently, I'm working connected to a remote computer in this internal ...
-1
votes
1answer
299 views

What is the bind address used for when forwarding a port via SSH?

I have a brief understanding of port forwarding via SSH. So let's say I have a VNC server up and running at port 5901. I pick up my laptop, go to work, then I want to connect to my server, but I want ...
1
vote
3answers
348 views

Another SSH Tunneling question

Here's the Diagram Server A ----> Server B <----- Laptop So basically Server A and Laptop can connect to Server B directly but you can't establish a connection from Server A to Laptop directly, ...
0
votes
0answers
34 views

SSH tunnel seems to be bound to multiple IPs

I am using a SSH tunnel to a remote machine using plink.exe in Putty on Windows 8. I am also running a web application using the same port. So to avoid any port conflicts I have bound the tunnel to ...
1
vote
1answer
90 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 ...
0
votes
0answers
105 views

It is possible to make an IPSEC VPN Bonding?

I wanted to know if It is possible to bound two IPSEC tunnels ? I've already done a VPN bonding of SSH tunnels, but It will be better if I use IPSEC.
2
votes
2answers
8k views

Cisco ASA VPN - Route all internet traffic from remote site through main site's ISP

I have a situation with two locations connected via site-to-site VPN. Site A has a web filtering appliance. I'd like to route all traffic from Site B over the VPN tunnel and out of Site A's internet ...
2
votes
4answers
9k views

How to setup an IPSec / GRE tunnel on Windows Server 2008

I have a Windows Server 2008 that has a single network interface configured with a public IP address. My business partner has a private network. From my server, I need to access all the devices on his ...
7
votes
4answers
3k views

Automatically-reconnecting TCP tunnel

I have an unreliable network connection between two machines: sometimes active TCP connections get dropped for reasons beyond my control. I want to establish a reliable TCP connection between the two ...
0
votes
1answer
89 views

Windows translate external IPv6 to localhost IPv4

I have a machine running Windows server 2012, whose external IPv6 address is "2a01:4f8:190:7449::4". Let's assume it has no external IPv4 address, so the v6 address is the only way of accessing it ...
4
votes
3answers
309 views

Make reachable via a fixed address (e.g. IPv6) a server that is actually connected via a variable IPv4 adress?

Need: Internet host at a fixed IP address for full-stack self-hosting People want to perform self-hosting in an area where no ISP provide sufficient service with a fixed IP address. They provide one ...
1
vote
0answers
169 views

Make lan ip's available to external devices over openvpn [closed]

My goal is to make my home media library available to external devices. External device ====== OpenVPN Server ====== unknown Modem ----- OpenWRT --- lan machines External devices are OpenVPN ...
3
votes
2answers
345 views

IPv6 tunnel broker setup

I'm working on a solution to allow remote Linux nodes that are behind firewalls to be accessible for SSH and web server. Can anyone suggest an IPv6 tunnel scheme that would work with NAT firewalls? ...