Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [tunneling]

384 questions
2
votes
1 answer

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 over GRE. RouterA is connected to internet via…
MABC
  • 203
  • 1
  • 5
  • 11
2
votes
1 answer

Bluecoat proxy: allow HTTPS access to websites while disallowing TCP tunneling (SSH/...)

We have an explicit (= not transparent) proxy setup using a BlueCoat ProxySG (software 6.4.3.1). When I create Web Access Layer rules like: Protocol: HTTPS -> All HTTPS: Allow, Protocol: All TCP Tunneling: DENY, then I still can do an SSH outside…
Marki
  • 2,854
  • 3
  • 28
  • 45
2
votes
1 answer

Does a HTTP tunnel solution exist that doesn't use CONNECT, HTTPS or chunked encoding?

I am looking for a way to get a fast OpenVPN connection out through a restrictive firewall (this is not a workplace and I am not breaking any code of conduct). Currently I'm using port 443 direct to the openvpn server, as the firewall allows…
Dark
  • 232
  • 1
  • 11
2
votes
4 answers

Sending all traffic through a tunnel

I have set up a IPIP tunnel between my workstation and my server. I can add routes manually to have traffic going through the tunnel like this: ip route ad 216.221.35.27 dev foo I'm not sure however how I should configure my routes to have all my…
user10245
  • 31
  • 1
  • 3
2
votes
1 answer

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 an outgoing bandwidth of ~256 kbit. Transfer of…
Michael Sayapin
  • 21
  • 1
2
votes
2 answers

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 user@server1 -o 'ProxyCommand /bin/nc server2…
Matt White
  • 706
  • 1
  • 5
  • 18
2
votes
1 answer

Create a tunnel to my dedicated windows server

I have a Win 2008 dedicated server. The remote access for MSSQL db is disabled. However I want to connect to it during development from my system. I need to create something like a tunnel from my lap so as to access it. I don't have static…
Akhil K Nambiar
  • 23
  • 3
2
votes
3 answers

Securely connect to mainframe from cloud

I will preface this by saying that I am a solution architect, and I have a client who wishes to host an app in the cloud. The app needs to access information from SAP and other systems. What is the best way to securely connect from a cloud machine…
Darbio
  • 557
  • 1
  • 5
  • 15
2
votes
1 answer

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 forward traffic to the dev machine. Progress so…
spinlock
  • 183
  • 5
2
votes
1 answer

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 sent to the tunnel interface on one host is…
Bruce
  • 523
  • 2
  • 5
  • 17
2
votes
2 answers

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 suggest? Thank you in advance.
Dmitry
  • 21
  • 2
2
votes
4 answers

Need an absolute proxy server to route HTTPS, FTP, etc

I have managed to setup a squid proxy server as an HTTP proxy and this is working well. However, it does not work with HTTPS. I am looking at making use of an external machine to setup as a proxy for HTTP, HTTPS, FTP, etc. I took a long and hard…
moreQ
  • 31
  • 1
2
votes
3 answers

"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 'server' network (Internal addresses are…
user80776
2
votes
3 answers

I have a site to site VPN tunnel set up between offices, when I connect from home to either I cannot see the other side

This is my first time posting here so please be gentle. The title describes my problem, I will outline the setup: I have a site to site bidirectional VPN tunnel set up in two offices 100 miles apart. Site A is running a Watchguard Firebox x20e, Site…
Charles
  • 23
  • 1
  • 6
2
votes
0 answers

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 tunnelied connection will show login window and…
user100858
  • 121
  • 4
1 2 3
…
25 26