How to Use netfilter to jump to the web authentication page when a user does not pass web Authentication
Source: Internet
Author: User
When a user fails to pass web Authentication, how can he use netfilter to jump to the web authentication page-Linux general technology-Linux technology and application information? See the following for details. Ladies and gentlemen, masters and predecessors. I am a student who just graduated from school and belongs to cainiao. If you have any questions, please give me some advice. The problem is as follows:
There is an integrated security gateway device (similar to a collection of firewall, anti-virus, and other functions). The operating system used by the device is a linux transformed by our company. The device has a built-in web authentication function, it is used to implement access control on the client. For example, if an intranet host connects to the Internet through this device, an Intranet user must open a browser to enter the address of the web Authentication Service (for example, https: // 192.168.31.1: 1443) when accessing the Internet through this host ), enter the user name and password to access the Internet. The problem is: if users do not know that the host must pass Web authentication before accessing the internet, how can they implement the following functions? That is, before a user fails to pass Web Authentication, if he opens the browser and enters any website address, how can he redirect the page to the Web authentication page.
Maybe I am not very clear about it (so I am a cainiao). I hope the experts can give me some advice and let me know where to start? My guide showed me the data structures of netfilter and kb_buffer. I don't know what to use?
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