Vpn Principle and Implementation-tunnel implementation theoretically reasonable ip over ssl needs some additional technical support before it can be used, you must try to re-encapsulate an ip data packet by ssl. This action cannot be performed in the original standard protocol stack. The standard protocol stack does not support two-way data flow, one of the solutions is to modify the Protocol Stack and impl
This article is also a real case. You can only display some of the real ip addresses. Sorry --~
The demand for leader is always endless; what he wants, you need to find a way to achieve 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/00594B501-0.gif "/>
Just a few days ago, the domestic machine vpn jumped to the foreign machine route delivery; today, a sudden whim, change the solution; if the last time is to save costs, then
This article attempts to describe what a VPN tunnel is in simple language and explains how VPN provides strong anonymous and privacy protection.
The operation performed by the VPN tunnel is called Data encapsulation. To understand what encapsulation is, let's make a simple a
original IP header as application data, which is encapsulated by the SSL protocol. Then, the data is sent to the other end of the VPN and enters from the real nic at the other end, then, because this is the end of the tunnel, the data goes directly to the application layer. At the application layer, the VPN Server waits there to get the raw
Tags: cat dem protocol PPP span plugin send add IPSec1. Open Network Preferences2. Click +3. Enter the address and account number of the VPN4. Advanced--Tick send all traffic via VPN link5. Add DNS6. Because the corporate VPN is using the L2TP protocol and is not shared, MacOS needs some configuration to support it, otherwise it will prompt for the loss of the IPSEC shared key. Please verify your settings a
Background information:
Currently, there are several data centers on the line, the speed difference between different data centers is relatively large, we generally choose an optimal data center as a VPN access point.But sometimes it is slow to access other data centers directly through the VPN, so it is temporarily resolved via SSH
I've heard of this technology, and I'm interested in it.
I want to visit my machine in the company at home (write programs, check data, next movie).
Company in order to prevent us with the XX software blocked its port or server address.
Companies do not let us on the XX website, limited the URL or even IP.
Companies do not let us see the information about XX, and even spend the money to buy XX equipment, to filter the content. A look at the contents of XX, the link is interrupted.
My father is
How does one access the Linux server after NAT through SSH reverse tunnel? (1)
Suppose you are running a Linux server at home, which is behind the NAT router or restricted firewall. Now, you can connect to the home server through SSH when you are not at home. How do you do this? SSH port forwarding is undoubtedly a me
Forward TunnelThe topology is as follows:650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M00/7F/A8/wKiom1coD96CeuYIAAAnPHayOLU217.png "title=" 1.png " alt= "Wkiom1cod96ceuyiaaanphayolu217.png"/>DescriptionThe client cannot access the Web server directly, and the agent can access the Web server;By creating an SSH forward tunnel on the agent, the client can access the Web server indirectly through the
I have been using chromebook for some time. At first I felt a little disappointed. Later I found that I could use the test channel to update the test version. The new test version has improved the performance and availability.
Flash supports hardware acceleration, and video playback smoothness is basically acceptable (high bit rate or some frame drop). It is also convenient to watch movies/American dramas when used with the help of offline downloading and online playback of the arms;
Webpage
Sometimes back to SSH tunnel, the manual use of SSH to create these is not too big a problem, but if you try to boot, write a shell script and run the script in Rc.local is not successful, the reason is not known.Later discovered autossh this thing, not only can create SSH tunnel
Pptp settings and local vpn (and solve the problem that ssh cannot access the remote host under the vpn)1. Install pptpSudo apt-get install-y ppp pptpdsudo vim/etc/pptpd. conf modification: option/etc/ppp/pptpd-optionslocalip 172.31.26.19 (local vpn address) remoteip 172.31.26.20-200 (
The previous article
http://www.cnblogs.com/piperck/p/6188984.html using SSH config profile to manage SSH connections
The previous article described how to configure your own SSH config to easily manage your SSH connection, and how to use Ssh-add to store your
Recently, I debugged the public account function. when receiving the push, I didn't want to submit it to the server to view the log every time. so I used the reverse proxy of Nginx to forward the requests received by Port 80 on the server to 127.0.0.1: 9000 and then use ssh to build a tunnel to set the server's 9000... I recently debugged the public account function and didn't want to submit it to the serve
Now connected to an IDC MySQL server, due to network isolation, the need to ssh to a springboard to direct access to MySQL, and I want to use mysqlworkbench such as local clients directly connected to MySQL. The solution is to set up an SSH tunnel with the SSH command, and then Mysqlworkbench connect to the correspondi
Pptp settings and local vpn (and solve the problem that ssh cannot access the remote host under the vpn), pptpssh1. Install pptpSudo apt-get install-y ppp pptpdsudo vim/etc/pptpd. conf modification: option/etc/ppp/pptpd-optionslocalip 172.31.26.19 (local vpn address) remoteip 172.31.26.20-200 (
Using ssh tunnel to connect to the mysql server, sshtunnel
Preface
In some cases, we can only know the Intranet address of the database and cannot connect to the database through the Intranet. However, we can log on to other machines on the same Intranet and these machines can access the database through the Intranet, then we can access the database through ssh
0. PrefaceNC is a good tool for both ends of the network connection, but also a temporary port forwarding. (What is the permanent port forwarding?) With Iptables)SSH is also a good tool in this area, the advantage is that encryption is reliable reusable at one end of the operation, at the cost of having a login account.We know that SSH automatically encrypts and decrypts all network data between the
Recently debug public number function, do not want to submit to the server every time to read the log
So on the server with the Nginx reverse proxy to the server 80 port received the request forwarded to the 127.0.0.1:9000
Then using SSH to tunnel the server 9000 port mapped to my local development machine 80
SSH Tunnel
Sometimes back to SSH tunnel, the manual use of SSH to create these is not too big a problem, but if you try to boot, write a shell script and run the script in Rc.local is not successful, the reason is not known.Later discovered autossh this thing, not only can create SSH tunnel
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