network sniffer tool

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Network grab tool Wireshark Common packaging filter rules

-2500 shows packets that originate from UDP or TCP, and the port number is within the range of 2000 to 2500.Not IMCP shows all packets except ICMP. (ICMP is usually used by the Ping tool)SRC host 10.7.2.12 and not DST net 10.200.0.0/16 display a source IP address of 10.7.2.12, but the destination is not a 10.200.0.0/16 packet.(src host 10.4.1.12 or src net 10.6.0.0/16) and TCP DST Portrange 200-10000 and DST net 10.0.0.0/8 display source IP for 10.4.1

Network packet Sending tool packetsender Chinese source code

Found on the Internet a handy tool for Packetsender, packet transmitters. For the Writing network program, there is great convenience. Although the Netcat tools are very useful under Linux, this is also good.Originally in English, to translate a bit. This is based on QT development. There are some places where the translation is wrong, please correct me.This article by Mob Lym fabricated, welcome reprintblo

Lightweight network traffic forwarding tool-Balance

also be forwarded to the server to do a limit on the number of connections, when the number of WEB1 connections hit 256 to WEB2, when the number of WEB2 connections hit 128 to WEB3Balance-f web1::256!web2::128! Web3Six, if you want to do the session to keep words balance can also do, to use the%, so that the same user's request to reach the same server on the back end.Balance-f web1 web2%Effect650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M00/7F/80/wKiom1cgm-iAOKTTAACnZqJIuM8147.png "t

Iperf-the Network Bandwidth Measurement tool

multiple connections, rather than quitting after a single test. Can Run for specified time (-t option), rather than a set amount of data to transfer (-n or-k option). Print Periodic, intermediate bandwidth, jitter, and loss reports at specified intervals (-i option). Run the server as a daemon (-D option) Use representative streams to test out how link layer compression affects your achievable bandwidth (-f option). A server accepts a single client simultaneously (IPERF3) multiple cli

Super easy to use Linux system query network card and other traffic parameters of the tool, share to everyone!!!

Super easy to use Linux system query network card and other traffic parameters of the tool, share to everyone!!!At work, you may encounter this kind of situation: managed server traffic exceeded the limit, but suddenly can not be like Windows host through the QQ Butler or 360 Guardian and other software tools as very intuitive to detect the server's real-time network

Android Network Request Tool class

Org.apache.http.impl.client.defaulthttpclient;import Org.apache.http.message.basicnamevaluepair;import Android.content.context;import Android.content.sharedpreferences;import Android.content.SharedPreferences.Editor ; Import android.net.connectivitymanager;import android.net.networkinfo;import android.util.log;/** * Network Connection Helper class * Project Name: xxxxxxxx * * @author Zhangjie * */public class Httputil {private static final String TAG

IP address change script tool, dedicated to super-complex coders in the Network Environment

The IP address change script tool is dedicated to super-complex coders in the network environment. IP address change is a headache for gamers who often travel through different locations and are in a complex network environment, for example, during my previous period, the code was written to the Telecom broadband and wired wireless areas. Maybe there would be a f

Android Network judgment tool (APN + WIFI) and androidapn

Android Network judgment tool (APN + WIFI) and androidapn Public class NetWorkHelper {private static String LOG_TAG = "NetWorkHelper"; public static Uri uri = Uri. parse ("content: // telephony/carriers");/*** determine whether a network connection exists */public static boolean isNetworkAvailable (Context context) {ConnectivityManager connectivity = (Connectivit

Volley, an essential tool for Android Network Communication-send a standard Request

Volley, an essential tool for Android Network Communication-send a standard Request Volley mainly supports several requests 1. StringRequest: determine a URL to obtain the returned original string. 2. ImageRequest: determine a URL and obtain an image. 3. JsonObjectRequest and JsonArrayRequest: determine a URL and obtain a JSON object or number. Request an image Use ImageRequest ImageView mImageView;String u

iperf--Network test Tool Introduction and source code Analysis (2)

implementation function, which is explained clearly in the comment on the source code line and is no longer described here;Timestamp This class has only one member variable of type Timeval, the member function includes getting the current time, adding and reducing time, comparing two time successively, etc., it is easier to understand.Timestamps are used to assign values to each sending packet during the data transfer process, indicating when the packet was sent, and in the condition that the-I

Network request tool class based on the afnetworking package

Prerequisites, Import the afnetworking frameworkAbout modifying the AFN source code: usually serialized when the support Text/plan, etc., you can modify the source once and for all, modify in Acceptablecontenttypes.GGRequest.h1 #import2 3 @interfaceGgrequest:nsobject4 /**5 * Network Request Method6 *7 * @param URL will be accessed by the link8 * @param param parameters passed in9 * @param requeststyle Request MethodTen * @param serializer data return

Linux Upload download file tool (Command RZ SZ) no network installation

General company allocation of virtual machines is not networked, that can only be compiled by the source code to install Lrzsz.Recommended here a network of inter-communication Tools HFS Web file server, the downloaded lrzsz uploaded into the HFS inside, and then in the Linux virtual machine with wget HFS inside the address can be downloaded from the LAN. HFS AddressExecute the following command to install successfully:wget http://ip:port/lrzsz-0.12.2

Android Tools Class (2) Networkhelper Network tool class

Import Android.content.context;import Android.net.connectivitymanager;import Android.net.networkinfo;import Android.net.uri;import Android.net.networkinfo.state;import Android.telephony.telephonymanager;import Android.util.log;public class Networkhelper {public static final int networn_none = 0; public static final int networn_wifi = 1; public static final int networn_mobile = 2;private static String Log_tag = "Networkhelper";p ublic static uri uri = Uri.par SE ("content://telephony/carrie

How to scan open ports in a network segment using the NMAP port scan tool on Linux

service135/tcp Open msrpc136/tcp closed profile137/tcp closed netbios-ns139/tcp open Netbios-ssnmac Add Ress:5c:f3:fc:e4:81:40 (IBM) Nmap done:1 IP address (1 host up) scanned in 0.14 seconds[[email protected] scanport]#-SP Specifies that the scan mode is ping (does not scan the port)NMAP-SP ip_address #使用ping方式扫描 (no ports scanned)Nmap--traceroute ip_address #路由跟踪NMAP-SP xx.xx.xx.xx/24 #扫描一个网段 (using ping)NMAP-SP 10.1.1.1-255 #也可以扫描一个网段 (using ping)Nmap-st ip_address #TCP contect () port scanN

Network security tool software BlackICE

Introduction to the use and setting of the network security tool software BlackICE)BlackICE won the PC Magazine technical excellence award in year 99. Experts commented on it: "For home users without firewalls, BlackICE is an indispensable line of defense; for enterprise networks, an additional protection measure is provided. Instead of replacing the firewall, it blocks intruders attempting to pass through

Install the tool bmon for real-time network bandwidth detection in CentOS

Install the tool bmon for real-time network bandwidth detection in CentOS First download the rpmforge-release extension rpm package32-bit operating system: wget http://www.sudu.us/Tools/bmon/rpmforge-release-0.3.6-1.el5.rf.i386.rpm 64-bit operating system: wget http://www.sudu.us/Tools/bmon/rpmforge-release-0.3.6-1.el5.rf.x86_64.rpmInstall rpmforge-release Extension Rpm-Uhv rpmforge-release-0.3.6-1.el5

Share a newly written tool to test the network speed and latency...

Recently, the company's network is always slow. When I was so upset, I came up with a small tool for online monitoring and latency testing. In fact, both 360 and Jinshan have corresponding functions. However, I am a code engineer. I am not used to the commercial atmosphere of 360, and Kingsoft is not angry. Let's take a look at Kingsoft. Pretty good. Below is an example Look, this MS is reall

Tuning MySQL network performance debugging tool article

of the Genmask and packet. · Flags are flags that represent routes. The available flags and their meanings are: U indicates that the route is started, h indicates that target is a host, G indicates that the gateway is used, and r represents the reset setting for dynamic routing; d indicates the dynamic installation of the route, m means to modify the route,! · Metric indicates the unit sales for the route. · Ref indicates the number of other routes that depend on the current routing status.

Linux network monitoring tool ntop4.0 released

Similar to top monitoring system activity, ntop is a tool used to monitor network usage in real time. Because ntop has the Web interface mode, it is easy to get started quickly in a short time, regardless of configuration or usage. Nbsp; this version partially overwrites the ntop processing engine, mainly used Similar to top monitoring system activity, ntop is a tool

Disk and Network test tool (Iperf hdparm DD)

First, Network test tool IPERF1, installation package Apt-get-yinstalliperf2, parameter description-s,--server Runinservermode (start in server mode)-c,--clientThis article is from the "7928217" blog, please be sure to keep this source http://7938217.blog.51cto.com/7928217/1669463Disk and Network test tool (Iperf hdpa

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