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0
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1answer
159 views

Obtaining and routing small IPv4 space?

I had an idea for designing a network setup in order to acquire high availability connections to my (small) network, but I seem to be running into a few problems trying to find out the particulars. ...
0
votes
1answer
2k views

What's the difference between GRE and IPIP tunnel?

And which one is better for connecting two linux machines?
0
votes
2answers
169 views

how to “connect ipv6 client to ipv4 only server”

I have a linux server that supports only ipv4 and an IPv6 client. How should I use tunneling or NAT to get the connectivity done from ipv6 client to the ipv4 server? Client is a softphone that sends ...
1
vote
2answers
971 views

Https tunnel for carrying TCP and UDP packets

I had an issue with running Openvpn over UDP in my college network. The firewall was dropping UDP connections. As http and https were working fine and assuming that the firewall was inspecting packet ...
2
votes
1answer
285 views

How do I create an ipip tunnel between two hosts on a LAN?

I have two hosts on a LAN. Both hosts have static IPv4 addresses. Host1: eth0: 112.92.0.1 Host2: eth0: 112.92.0.3 I now want to create an ipip tunnel between these two hosts such that any packet ...
2
votes
2answers
655 views

Ethernet over IP

I need to merge two L2 broadcast domain into single domain and I have to do this over unmanaged by me L3 IP network. All that I could find is vtun utility for linux. Which software&howto you can ...
3
votes
1answer
3k 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 ...
3
votes
3answers
6k views

How to assign a hostname to SSH tunnel

I'm using ssh root@my.server.ip -g -L 4321:localhost:28017 to establish a tunnel from my MacBook to my dedicated server at my hosting provider. It works well. Now I want to access several admin sites ...
1
vote
1answer
298 views

Connect with sftp client to server that can be accessed only through other server

I am new to this forum and to this kind of stuff so don't judge me hard: I would like to connect with: sftp client (Bitise Tunneler) and nxClient (NOMACHINE) to the server A through other server B. ...
0
votes
3answers
850 views

Secure tunnel between two Windows Server 2008 R2 hosts

I'm looking for a way to set up a secure tunnel for HTTP traffic between two hosts on separate networks/domains over a single port. The caveat is that I have no control over the physical aspects of ...
4
votes
1answer
688 views

Renting a IPv4 address block [closed]

I am building a lab network with about 10 virtual routers and 20 host machines (also virtualized) as a part of a school project. The aim is to demonstrate a wide range of IPv6 routing, deployment and ...
1
vote
3answers
334 views

“Tunnel” from one network to another

I'm sure the answer to this would be available on Google but I don't really know what I'm Google-ing for. Situation; We have two networks; our own internal network (192.168.0.[0-255]) and our ...
6
votes
2answers
9k views

SSH tunnel over multi hops using putty

I have a situation where I want to connect to a Linux machine running VNC (lets call it VNCServer) which is behind two consecutive Linux machines i.e., to ssh into the VNCServer, I have to ssh into ...
0
votes
1answer
833 views

pppd PAM use and combining with CHAP/MSCHAP

Managed to successfully configure pppd to use PAM (/etc/pam.d/ppp) for authentication steps (used login option in addition to auth). However, this seems to work only for PAP (require pap, refuse ...
1
vote
1answer
704 views

Tunneling into vpn using squid and ssh-tunnel

intro: In order to access the administrative console of a certain datacenter I am supposed to use a VPN. However due to company network setup I cannot establish a vpn connection (I was told that they ...
1
vote
1answer
2k views

GRE Tunnel between Linux server and XP client

I want to set up a simple unencrypted tunnel between a linux-server (running SLES9) and a client (running XP SP3). The reason for this is that there are many network devices in between and the client ...
1
vote
2answers
443 views

Tunnel SSH from A->B->C [closed]

I'm looking to setup a tunnel using PuTTY on Windows. Ideally I'd SSH directly from A->C, however, I can't from the network I'm on. I can, however connected from A->B->C. C is running a vncserver, ...
2
votes
0answers
536 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
3answers
592 views

IPv6-only client to IPv6/IPv4 dual stack server tunnel?

I have a IPv6-only client and a IPv6/IPv4 dual-stack server. The client can connect to the server via IPv6. I want to set up a tunnel on the server so the client can access IPv4 resources through the ...
0
votes
1answer
302 views

Is it possible to use RRAS to create a tunnel over same subnet

I would like to setup some form of secure tunnel between servers on the same lan. We are currently using rackspace for cloud hosting, and would like to secure all communications over the 'private' ...
2
votes
2answers
6k 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 ...
1
vote
1answer
366 views

munin monitor ssh tunnel traffic stats?

Attempting to generate a traffic graph to monitor tunnel traffic between two vps'es. two servers: 111.111.111.111 & 222.222.222.222 111 is an app server, 222 is a db server. Proper iptables ...
2
votes
3answers
2k views

How to avoid stalled scp transfer when tunneling through a gateway over ssh?

I'm try to transfer a large (1GB+) file from one machine to another, but I have to tunnel through a gateway in between. I'm able to transfer small files just fine. However, with the big file, the ...
0
votes
3answers
222 views

running a command after the ssh has opened the tunnel

I want to run some process that requires an opened ssh tunnel. How do you run some command AFTER the ssh tunnel is successfully opened? Timers are not good enough as network speed and remote machine ...
0
votes
1answer
1k 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 ...
1
vote
0answers
326 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 ...
3
votes
2answers
322 views

Routing problems IPv6 client/server where server has both native and tunnelled address

I have been trying to get IPv6 working on my tap OpenVPN network. The server already has IPv6, however it only has a /64 and the biggest range available is a /116 (which breaks autoconf). I am getting ...
2
votes
1answer
968 views

Making a multi hop SSH tunnel a mysql server (3-4 hops)

I'm trying to get to a mysql server on a remote network, and to get to it I currently have to do several ssh hops, so I can use the mysql command line interface. I'd really like to do a mulit-hop ...
-1
votes
1answer
81 views

How to tunnel all network communication? [closed]

I'm looking for a way to tunnel all network communication from my laptop through another computer. I can control the software on both the laptop and the computer. The connection between them should be ...
0
votes
1answer
189 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 ...
-1
votes
1answer
76 views

how to ssh to the machine behind the firewall? [duplicate]

Possible Duplicates: SSH to a computer that will then SSH to another computer how to ssh to the machine behind the firewall? I have 3 Linux machines A, B and C. I can ssh from A to B; B ...
-1
votes
2answers
280 views

how to ssh to the machine behind the firewall? [duplicate]

Possible Duplicate: SSH to a computer that will then SSH to another computer I have 3 Linux machines A, B and C. I can ssh from A to B; B to C but not from A to C directly because C is ...
0
votes
1answer
612 views

Debugging flaky SSH tunnel

We have a dedicated SSH tunnel server, which supports a few dozen remotely located hosts. The hosts each create a reverse tunnel into the server with assigned port numbers, using autossh to keep the ...
4
votes
3answers
1k views

Tunneling all TCP and UDP traffic through a Server?

On a Linux or Windows system, how would it be possible to tunnel all TCP/UDP packets through a thirdparty server? What would one use, does it work with SOCKS5, OpenVPN or SSH?
2
votes
1answer
253 views

Configuring Cisco Router 2851 to handle MPLS traffic tunnelling

Some guy configured a Cat 6500 Core Switch on my net to handle MPLS traffic (and it works). The MPLS line is also directly connected to the internet, so our edges and firewalls are bypassed actually. ...
1
vote
2answers
4k views

SSH Tunnel slow

I just moved halfway across the globe and am having a strange connection issue. I have a 4 Mbps dsl connection, can successfully ssh into my server, and setup a tunnel. I use PuTTY (on my desktop - ...
0
votes
2answers
502 views

Static IPv4 tunnel with Windows Server 2008

Is it possible to create any sort of plain (IPv4, non-ipsec) static tunnel interface using only components of Windows server? Any protocol will do as long as there is reasonable linux support for the ...
0
votes
2answers
710 views

SSH option AllowTcpForwarding is bypassable?

I understand this is used to prevent users from using the server as a proxy. But if the users can use curl/wget, doesn't that mean it's essentially bypassable? The manual page regarding SSH also said ...
0
votes
2answers
108 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
1answer
205 views

iproute2 tunnel sit

According to this article http://www.consulintel.euro6ix.org/ietf/draft-palet-v6ops-6in4-vs-6over4-01.html 6in4 is only encapsulation mechanism that is used by transition mechanisms like 6over4. What ...
0
votes
0answers
272 views

cannot ping through gre tunnel

This question has been merged I have 4 machines machine 1 have ip address 172.13.0.40/24 machine 2 have two ip address 172.13.0.1/24 and 172.12.0.1/24 machine 3 have two ip address ...
1
vote
1answer
1k views

Forward all traffic through an ssh tunnel

I hope someone can follow this and I'll explain as best I can. I'm trying to forward all traffic from port 6999 on x.x.x.224, through an ssh tunnel, and onto port 7000 on x.x.x.218. Here is some ...
1
vote
2answers
272 views

Internet access via OpenVPN

Note: This is a repost from the OpenVPN forums I have just set up an OpenVPN on my Linode VPS, and I have successfully connected my Android phone to it. Now, I want to use the "route all traffic" ...
2
votes
1answer
143 views

translate telnet trafic to SSH

I have a closed source windows tool I need to run, which has to connect to a remote machine. Problem is, the tool only has telnet functionality, while the remote host only accepts SSH2. Is there some ...
2
votes
1answer
410 views

My own IPv6 tunnel

I have a load of IPv6 addresses on my VPS which are not tunneled they are provided by the VPS host. But my ISP at home BT, has no plans yet to allocate IPv6 addresses to even business customers. I ...
1
vote
1answer
436 views

Routing telnet/23 connection thru double SSH tunnel (SSH proxy server)

I have a contractor is using a Windows PC that is outside the corporate network. However, we allow connections via the firewall to certain hosts/ports. Telnet/23 from the contractor's PC to a ...
2
votes
1answer
1k views

tunnel using autossh behaving differently than the exact same command using ssh

I am trying to set up a double-ssh tunnel between two hosts, so I can proxy traffic through it. Using the normal SSH command, I have gotten the following to work: ssh -t -L2000:localhost:2000 ...
3
votes
1answer
280 views

Accessing X with xauth and ssh -X to my VPS?

I have an application I wish to run on my VPS (a web browser actually, iceweasle or similar) and do not really want to install a full blown X server on there for practical reasons. I have read I only ...
2
votes
1answer
388 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? ...
7
votes
4answers
2k 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 ...