rfid beacon

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Router PAT settings

transmission power from the drop-down menu to reduce the output power of the router. Your options include 100%, 50%, 25%, and 12.5%. A Beacon Interval beacon is a data packet sent by an access point for synchronizing data to a wireless network. Specifies a beacon value between 20 and 1000. The default value is 100 milliseconds. The default value of this paramete

Front-end performance monitoring system ShowSlow, monitoring system showslow

/usr/local/wwwroot/showslow; index index.php index.html index.htm; } if (!-e $request_filename) { rewrite ^(.*)$ /index.php$1 last; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # #error_page 500 502 503 504 /50x.html; #location = /50x.html { # root html; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # location ~ .*\.php(\/.*)*$ {

Jiang likun: Details on resource cooperative promotion

first. First, let's take a rough look at the resources and advantages of the other party. Is there anything we want. Then, let's take a preliminary look at whether the other party is interested in our resources. What can we give to the other party! If you can find a reliable cooperation model, it is best. AStep 3: Find the combination points of both partiesWhen we confirm that we have the possibility of cooperation with the other party, the two sides will formally contact and negotiate. This st

Connect to a wireless network using cli in ubuntu

MB) sudo iwlist wlan2 scan Cell 01-Address: 00: 03: 7F: BE: 0A: 01 Channel: 6 Frequency: 2.437 GHz (Channel 6) Quality = 31/70 Signal level =-79 dBm Encryption key: off ESSID: "whx-cpe" Bit Rates: 1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb /S; 6 Mb/s 9 Mb/s; 12 Mb/s; 18 Mb/s Bit Rates: 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s Mode: Master Extra: tsf = 000000000d6ad4c6 Extra: Last beacon: 48 ms ago IE: Unknown: 030106 IE: Unknown: 0706434E20010D3F IE: Unknown: 2A0104

Kali Linux Wireless Penetration test Getting Started Guide chapter II WLAN and inherent insecurity

defines the following three types of WLAN frames: Manage frames: The management frame is responsible for maintaining communication between the access point and the wireless client. The management frame has the following subtypes: Verify Release validation Associate Request Associated response To re-associate a request Re-associate Response De-Association Beacon Probe request P

Use wireless card in OpenWrt to do repeater and AP hotspot

(len=12): [removed] PSK (from passphrase )-Hexdump (len=32): [removed] random:got 15/20 bytes from/dev/random random:only 15/20 bytes of strong random data Ava Ilable from/dev/random random:not enough entropy pool available for secure operations wpa:not enough entropy in random Pool for Secure Operations-update Keys later when the first station connects Gmk-hexdump (LEN=32): [Removed] Key counter-hexdump (len=32): [Removed] WPA : Delay group state machine start until

Points related to android wifi current

to high current. Within 10 minutes between screen disconnection and disconnection, if it is normal, when the cpu Of the tablet is sleeping, the average current should be only 1ma higher than that of the wifi chip (this value is the sleep current of the wifi chip); however, in this case, the average current measured will be higher than 1ma, this requires us to analyze the cause. Some points related to current may not be completely recorded here. If you find them again later, supplement them. 1.

FC5 usb wireless network card TL-WN620G installation, configuration and network communication implementation

Rx invalid frag: 0 Tx excessive retries: 0 Invalid misc: 0 Missed beacon: 0 9. configuration interface: # Iwconfig wlan0 essid ESSID # Iwlist wlan0 scan Wlan0 Scan completed: Cell 01-Address: 00: 14: 78: A5: AE: D4 ESSID: "TP-LINK" Protocol: IEEE 802.11g Mode: Managed Frequency: 2.437 GHz (Channel 6) Quality: 78/100 Signal level:-46 dBm Noise level:-96 dBm Encryption key: off Bit Rates: 1 Mb/s, 2 Mb/s, 5.5 Mb/s, 11 Mb/s, and 6 Mb/s 12 Mb/s; 24 Mb/s;

RAD Studio 3rd Quarter Training Course

Chengdu August 13, 201513:30pm~17:00pmGrand Regency Hotel Shanghai August 15, 201513:30pm~17:00pmThe Ritz-Carlton, Chengdu Ritz Hotel I want to register-technical seminar >> Introduction to XE8 Mobile developmentChinese Date Discussion Topics Friday, 1000hr-1100hr, August 7, 2015 Introduction to the X

Capwap study notes--first acquaintance Capwap (v)

interconnected, non-infrastructure sites that are designed for point-to-point connectivity. IBSS mode does not have a wireless infrastructure backbone, but requires at least 2 sta.3.1 Binding identifiersBased on the description of the Capwap header in section 4.3 of RFC5415, the Wbid field identifies the wireless technology being bound. For 802.11, the field is evaluated to 1.3.2 Functional DivisionsSince Capwap is protocol-independent, when binding 802.11, it is necessary to divide the functio

The difference between mutex, semaphore, condition variable

manipulate the protected data. In some cases the two are interchangeable.The difference between the two:ScopeSemaphores: Process or line threads (Linux threads only)Mutex: Between threadsWhen lockedSemaphore: As long as the semaphore value is greater than 0, other threads can sem_wait success, and the value of the semaphore is reduced by one after success. If value is not greater than 0, then sem_wait blocks until Sem_post is released and the valueMutex: No other thread can access the protected

How is traffic hijacking generated?

-ds.png) Looking at this feature carefully, it is not difficult to find a lot of articles to do-this is not a natural preparation for us to fish! Let's start another pseudo-hot spot with the Same Name authentication. As long as the signal is overwhelming, it is appropriate to catch nearby fish. At present, there are almost no clients to defend against this problem. No matter whether it is a mall, a coffee shop, or even some large companies, this is also helpless. The reason is very simple. The

Overview of website log collection methods [ZZ from Taobao data warehouse team blog]

. Beacon logCurrently, the most popular method on the Internet is to request beacon server when the user's browser accesses the target Webpage through a small piece of code embedded in the webpage. Generally, a configuration server can easily support log records with tens of millions of PVS. Google Analytics is a common statistical tool for small websites. Double click, which was acquired by Google for $3.1

Hands-on teaching penetration testers to build. NET executable file

file. However, an EXE file (also known as a portable executable, that is, PE, because it contains all the information that is required by Windows to run) is a problem in that it usually has to be written to disk, but in this way it is easily discovered by AV software. We know that the various Red team tools (from Metasploit to cobalt Strike) are able to generate an EXE file that connects the attacker's machine via the C2 channel. Although each of these files is not the same (which ensures that

What is ibeacon in Apple 5s? ibeacon how to use it?

What's ibeacon? 1.iBeacon is based on the latest Bluetooth Low-power 4.0 technology, which can be used to build a signal base station, when the user holds the IOS device into the area, you will get the push information of the base station. ibeacon How to use 1. First of all, it is important to note that, to experience this new technology, a number of conditions are required. The first is the iOS7 system, and the other is the iphone4s or iPad2 and later devices. Here for you to recommend a sof

How to set the title_javascript technique of micro-browser in iOS

When it comes to Web front-end, browser differences are an unavoidable problem, and this time the project encounters the following problems: The contents of the micro-beacon navigation bar are set by the title of the item directly taken. But now do the project is a single page application, the entire page will only be completely refreshed for the first time, only local refresh, so only in the page refresh through JS dynamic change title. We started u

Remotely detecting MS SQL Server account security

//////////////////////////////////////////////////////////////////////// file://Define global variables Char dict[20000][40],//password Dictionary username[40],//User Name target[40],//Target Server passwd[40];//has detected the correct password int total=0;//dictionary number of words BOOL cracked=false;//This value is true when the probe password succeeds HANDLE hsemaphore,//Beacon Kernel Object hevent;//Event Kernel Object Long maxthreads,//maxim

Analysis of wireless communication technology in smart grid

technology In addition to the above-mentioned mainstream wireless communication technology, the existing wireless communication technology also includes: IrDA, Bluetooth, RFID, UWB, trunking communication and other short-range communication technology and LMDS, MMDS, point-to-point microwave, satellite communications and other long-distance communication technology. (1) irda:infrared Data Association, is point-to-point data transmission protocol,

MongoDB MapReduce Combat <2>

Millions of of the data in the database, processing may be slow, so it is simple to build a smaller structure of similar tables, test data /* 0 */ { "_id": ObjectId ("54fe73e36e26d21dc4391bdb"), "Create_date": Isodate ("2014-07-26t13:57:18z"), "Rfid_no": "010101000120140322000173" } /* 1 */ { "_id": ObjectId ("54FE74076E26D21DC4391BDC"), "Create_date": Isodate ("2014-07-24t11:57:18z"), "Rfid_no": "010101000120140322000173" } /* 2 */ { "_id": ObjectId ("54FE74136E26D21DC4391BDD"),

Common troubleshooting tutorials for wireless internet access

why? The cause of this failure is many, different reasons need to adopt different methods to deal with, which hardware failure causes more common, such as network cable break or short-circuit, network connection connector appeared loose phenomenon, wireless router itself has hardware failure. For hardware failure reasons, we usually can determine if there is a problem with the hardware by looking at the status of the beacon in the control panel of t

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