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2
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2answers
702 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
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 ...
3
votes
1answer
148 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
177 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
606 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
685 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
424 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 server,...
1
vote
1answer
98 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
454 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
194 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
103 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 ...
0
votes
1answer
554 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
163 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
206 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
706 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
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 ...
0
votes
1answer
52 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
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 ...
0
votes
1answer
209 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
428 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
413 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
343 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
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1answer
1k views

php http tunnel to mysql connection

How to create a HTTP tunnel to PHP to MySQL connection
2
votes
0answers
124 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 ...
2
votes
0answers
188 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 ...
2
votes
0answers
698 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
89 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
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 ...
1
vote
0answers
2k 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
562 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 <-- ...
1
vote
0answers
188 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
101 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
429 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
443 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
54 views

How to make a tunnel connection behind NAT with iptunnel/netcat?

How can I create an IP tunnel to a server on the internet with a device that is firewalled behind a NAT? I need to do this using only the commands iptunnel or nc. I'm not controlling the NAT router. ...
0
votes
0answers
52 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
0answers
70 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 ...
0
votes
0answers
63 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
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0answers
33 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. ...
0
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0answers
30 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 ...
0
votes
0answers
137 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
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 ...
0
votes
0answers
111 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.
0
votes
0answers
58 views

OpenVPN tunnel not able to support secure connect request

In CentOS 7 host we have installed openvpn package and did create an tunnel using OpenVPN tunneling for eth9 and tap9. Everthing work fine for unsecure connection but when we try to connect to server ...
0
votes
0answers
75 views

GRE Tunnel Collapsing in One Direction

This is a related question to another thread I posted. I'm having an issue where my GRE tunnel is collapsing in one direction, but can be reopened by ping the other server using the GRE Interface. I'...
0
votes
0answers
128 views

How to terminate any ip/ip tunnel which has this host as destination

I am in a situation where I want to terminate any tunnels at one device. I.e. I want to be able to create a tunnel to this device from any source ip adress. Something which can inspect a packet, see ...
0
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0answers
292 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
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0answers
126 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
328 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
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0answers
114 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: http://i44....