Idea: At present, the domestic portable WiFi is basically used Ralink chip USB wireless card only, a lot of wireless card chip does not support Master mode, so can not concurrently do AP, and Ralink out of the several chips are supported Master mode, Under Linux, you can use the HOSTAPD software package +iptables (NAT) +DHCPD (dynamically assigning IP to devices) to set up a wired connection on a device suc
Counterfeit the target ap, intercept valid user data packets, and analyze and obtain the Wi-Fi password00x00In today's society, wireless networks are becoming more and more developed. However, no matter whether it is enterprise or self-use wifi hotspots, it does not pay much attention to its security, in addition, some malicious personnel and commercial spies are also using
WiFi Wireless access hotspot (AP) is available on Ubuntu systems or other similar Linux systems using HOSTAPD
In order to provide other wireless access to the network of equipment, such as notebooks, mobile phones to achieve wireless internet function. It is also the function of no line.
What is HOSTAPD
HOSTAPD is the user control's daemon for wireless access points (APs) and authorization servers (authenti
Document directory
In ubuntu, how does one obtain hostapd?
How to Use hostapd
In ubuntu or other similar Linux systems, hostapd can be used to achieve WiFi Wireless Access hotspot (AP)To provide wireless Internet access to other devices, such as laptops and mobile phones. That is, the wireless routing function.What is hostapd?Hostapd is a daemon of user controls used for wireless access points (
"HOTPLUG_INTERFACES="eth0"ARGS="-q -f -u0 -d10 -w -I"SUSPEND_ACTION="stop"Then start the corresponding service. and add it to the startup item:sudo service hostapd startsudo service udhcpd startsudo update-rc.d hostapd enablesudo update-rc.d udhcpd enableLast reboot:sudo rebootThe configuration of the wireless hotspot is now complete. You can then connect to the password based on the SSID that you set up, and the connection is very fast after upgradin
it is the most basic function, so we simply modify the address pool, the default gateway and DNS, the following is my configuration:
# The start and end of the IP lease blocks
start 192.168.0.20
end 192.168.0.254
# The interface that UD HCPD'll use
interface wlan0
opt DNS 192.168.0.1 192.168.0.10
option Subnet 255.255.255.0
opt router 192.168.0.1
#opt wins 192.168.10.10
#option DNS 129.219.13.81 # Appended to above DNS servers for a total of 3
option domain local
opti
calling the preceding methods in different lifecycles. You can reload these methods as needed. Generally, the main program class inherits the activity class, and the user's function code is implemented in reloading these methods.
3.1.3. Obtain peripheral AP signal strength
This article uses the RFID fingerprint-based locating method, and mobile terminals need to obtain the image-
frequency band before the battery replacement. The active technology electronic tags used in this paper have a long life.
The wireless wi-fi module is mainly used for communication between electronic tags, readers, and AP (used to receive the emission signals of tags.
RFID positioning can be used for accurate positioning of warehouse management, company personnel, items, and hospital patients. However, due to the limited distance, Wireless
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