Using the HTTP channel to break through firewall restrictions _ Web surfing

Many of the company's firewalls have been more stringent restrictions, so many network services such as QQ, MSN can not run, if you can open the Web page, then, the use of HTTP channel software allows you to break through the restrictions can be used in existing network conditions to use any network services.

The use of HTTP channel software can break through the limitations of firewalls and access other Internet applications with the privilege of unique HTTP access. So what is a channel? The so-called channel here refers to a way of communicating around the firewall port shielding. Packets at both ends of the firewall are encapsulated in the packet type or port allowed by the firewall, and then through the firewall to communicate with each other, when the encapsulated packets arrive at their destination, then the packets are restored and the restored packets are forwarded to the appropriate server.

Http://www.http-tunnel.com is a professional provider of HTTP channel services, through their online tunnel Server, users in the LAN can use the firewall blocked by ICQ, E-mail, PC Anywhere, MSN, QQ, Napster and other software.

Tunnel server using Http-tunnel must use the Http-tunnel client program Http-tunnel client,http-tunnel client free version to allow 40kb/seconds for data forwarding services.

I. Installation and setup of the program
1. Run the download installation program, the installation process is relatively simple all the way next to complete.

2. After the installation is complete, the "Configuration" window pops up, setting up the Internet connection for this computer, with three options:
A) Auto detected (automatic detection): You do not know your machine connection, you can choose this.
b) No proxy,only a firewall (direct access to the Internet, there is a firewall): Use the LAN and direct access to the user select this.
c) Specify proxy (specify proxy server): If you use a proxy server to surf the Internet, select this, and you must also enter the proxy server address and port, if you need a username and password also need to enter.

3. Set up a good connection, you can click the "Test" button, test, if you see "Test successful (Success)" prompts, on behalf of your set has been completed.

4. After the normal operation of the program, you can minimize it, it will be in the taskbar tip area to generate a down icon, click to restore.

Second, set up QQ visit
Since QQ access to use the port is 4000, so the network administrator usually restricted the use of the port to restrict access to QQ, the following describes how to set up QQ through Http-tunnel access to the Internet.

1. Open QQ, click "QQ Menu" button, select "System Parameters".
2. In the pop-up QQ parameter Settings window, select "Network Settings".
3. "Use Proxy server" on the hook.
4. Input Proxy server address: 127.0.0.1, port number: 1080.
5. OK, close all windows, log in again can use QQ.

Third, set up MSN Access
MSN Access settings can be similar to QQ, but Http-tunnel support MSN is much better than QQ, set the steps as follows:

1. Select options on the Tools menu.
2. Select the "Connection" tab.
3. Check "I use Proxy server".
4. Type select "SOCKS4", the server Input "127.0.0.1", the port number "1080".
5. OK, close all windows, login again to use MSN.

Iv. Setting up cuteftp access
Sometimes the network administrator to control the use of network bandwidth and protect information security, the need to limit the FTP service, which caused the file upload and download inconvenience. You can make sure that the CuteFTP implements access to the Internet by setting the following steps:

1. Select "Edit" menu, select "Settings", pop-up Settings window.
2. Expand "Connect", select "SOCKS", select "SOCKs4", Host: 127.0.0.1 Port: 1080. (tu5.bmp)
3. Select "Firewall", check "Enable firewall Access" and "PASV mode"
4. OK, close all windows, you can select the site login download file.

V. Setting up Remote Desktop Connection for Windows XP use Http-tunnel
Because Remote Desktop Connection does not provide proxy server settings interface, so can not be like QQ, MSN and CuteFTP as direct settings, at this time we could use Sockscap assist us to complete, the specific steps are:

1. Install Sockscap.
2. Run Sockscap, select Settings from the File menu, and eject the Sockscap Settings dialog box.
3. On "Server/socks Server" and fill in 127.0.0.1, "Port" fill 1080.
4. Select "SOCKS version 4" in "Protocol" and select "Resolve All names remote resolution" in "Domain name resolution".
5. Click the New button and enter MSTSC in the identity item name.
6. Click the "Browse" button to find the location of the MStsc.exe file.
7. Click "OK" button.

When used, double-click the mstsc icon in the Sockscap list to start the MSTSC,MSTSC access network will be through the proxy springboard. Note that you must start the mstsc from the Sockscap, or you will not use the proxy springboard. In fact, many of the firewall can not be set up Internet applications, in this way, to achieve the functionality of the HTTP channel.