Wi-Fi network deployment is far more complex than most people think, not to put on dozens of AP bandwidth automatically increase dozens of times times, on the contrary, simply put dozens of AP bandwidth due to the competition between APS quickly make the bandwidth down to almost unusable. In fact, this question can be written in a book, only exhaustive here, briefly speaking about a. For large-scale activities to do
Android Monitor network status When we use an Android phone, some apps need a network environment to run, so the phone needsavailableNetwork, whether it is 2G, 3G or WiFi, even some of the more consumption of the app can only operate in the WiFi environment, or provide user
of package types:
Management
Control
DataFor more detailed information, refer to:Http://standards.ieee.org/about/get/802/802.11.htmlThe following is an explanation of the WLAN packet fields.Understanding Wireless access points (ap,access Piont)
Each AP is configured with an SSID.
This SSID plays the role of a network name.
The terminal device searches for this AP or wireless network
Tip: http://sunreset.blogbus.com/logs/14257650.html
Working Mode of wireless network adapterWireless NICs can work in multiple modes. Common modes include master, managed, ad-hoc, and monitor.
For the master mode, it is mainly used for Wireless Access Point AP to provide wireless access services and routing functions. We can imagine that the wireless router we use is working in the master mode, but for a ge
When I use my Ubuntu to use the Aircrack-ng kit for WiFi crackingEncounter the following problemsrtl8187-[Phy1]siocsifflags:name not unique on networkBaidu a bitOriginallyThe new Network-manager is in mischief.Solutions provided by othersThe first one doesn't work.sudo ifconfig Wlan0 Down sudo iwconfig wlan0 mode monitor sudo ifconfig Wlan0 up sudo airodump-ng wl
This is the introduction of WiFi under the mobile phone QQ. As for the computer landing QQ, the previous blog introduced the detailed view how to monitor QQ chat contentMobile phone QQ, although the traffic occupies a little, the impact of bandwidth is very limited, but the working time, long time lying on the phone to see QQ, video, etc., on the work efficiency has a great impact, but also make business ma
([reachability Reachabilityforlocalwifi] .currentreachabilitystatus! = notreachable) {nslog (@ "is WiFi");} else if ([reachability reachabilityforinternetconnection]NSLog (@ "is the mobile phone comes with the network");} else{nslog (@ "network Problematic");}}
Remove the observer from the Notification Center, stop listening, and empty the
1. Determine whether a network is available
Public void oncreate (bundle savedinstancestate) {
2. Determine whether WiFi is on
Public static Boolean checkwifi (activity activitiy) {
Some Android applications have two connection modes: "network" and "Network disconnection". "Network disconnection" and "Network disconnection" have two different interfaces, network disconnection API is called when the network is
can be written into the configuration file with one option per line ), then, start the service in the form of "ntop @ Configuration File. The following are common ntop Program Options:
Option name
Description
-C/-- sticky-hosts
Record of inactive hosts
-P/-- db-file-path
Specify new data storage records
-U/-- user
Identity of the user who runs the program
-B/-- disable-decoders
Disable protocol Decoder
-N/-- numeric-ip-address
you do not understand the operation of 2, want to look at the detailed steps here, in another blog:3. After connecting the Raspberry Pi to the WiFi, the installation method has a tutorial. It should be noted that if the WiFi signal is above 10 channels, it is likely not recognized, then the router's channel to tune not more than 10.4. To install the Remote Desktop, then follow the steps inside to install t
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