how to sniff network traffic

Android provided this type of API at the beginning of 2.3, so that we can conveniently use it to calculate mobile phone traffic. This class is actually very simple. I have pasted several of his methods and you will know how to use them at a glance. Static long getmobilerxbytes () // gets the total number of bytes received through mobile connections, excluding WiFiStatic long getmobilerxpackets () // gets the total number of packets received by the mob

MRTG is an open source graphical tool for monitoring network traffic load (OETIKER + partner ag in Germany provides one of the open source projects, http://oss.oetiker.ch/mrtg/), through the snmp protocol to obtain the traffic information of the device, the HTML document of the traffic load in PNG format is displayed t

As a network administrator, how to view network traffic? View network traffic can use professional software, but the fastest way is through the router management software. In the browser, the router URL opens, in the router setup, select the "System Tool" on the left of the

Label:After the network traffic becomes large (for example, Rman duplicat an active database), the node restarts due to brain fissures From:The node reboots due to split brain during increased network traffic like Rman duplicating an active database (document ID 98512 3.1) Suitable for:Oracle server-enterprise edition-

Compared with nload, Iptraf is an excellent free small software that monitors network traffic of specific ports in linux. system environment: centos6.3Iptraf: iptraf-3.0.0 2. View dependency packages: # rpm-qa | grepgcc # rpm-qa | grepglibc # rpm-qa | gre Compared with nload, Iptraf is an excellent free small software that monitors network

Iftop command Installation The code is as follows Copy Code [Root@test iftop-0.9]# make[Root@test iftop-0.9]# make install[Root@test iftop-0.9]# Iftop Instance The default is to monitor the traffic of the first network card Iftop Monitoring eth1 Iftop-i eth1 Direct IP display without DNS reverse resolution Iftop-n Display the port number directly and do not dis

Some enterprises have complicated network settings and do not want to change their routing devices. We also want to use smart QoS functions and behavior management of wayos. What should we do at this time? Tell you: the new version of wayos has a function called transparent bridge. This function is also explained by the Alliance, that is, as long as the wayos is directly connected to the network, let the

NTOP Tools NTOP is a powerful traffic monitoring, port monitoring, service monitoring management system Enables efficient monitoring of multiple server networks ntop function Introduction NTOP provides a command line interface and Web interface two ways to work, through the Web ' interface, you can clearly show the overall use of the network, the

The network traffic Monitor can display the programs that have been started and connected to the network (Internet) to see the speed and traffic information of the program downloading or uploading. In addition, you can limit the upload and download speed of certain programs, and prevent them from accessing the

for" and "How to check" when the reader is in the log analysis. Finally, the paper introduces the realization principle and technical method of log collection, including the construction process of open source and commercial log analysis system.The second log analysis of the actual combat (the 4th to 12th chapter), according to the author's own experience adaptation of a number of small stories, reproduced the author of the various network intrusion

This article introduced Linux to see the network card traffic six methods, Linux system using Nload, Iftop, Iostat and other tools to view the network card traffic, here we first to explain the next Iptraf method, the need for a friend reference. The real-time traffic of th

Can monitor all resource states of the system. Average load, network card traffic, disk status, memory usage, and so on. Unlike other system state monitoring tools, it can print historical information that displays the System state information from 0 o'clock to the current time of the day. Yum install-y sysstat Install this command. Up for the first use will be an error, because the SAR tool has not produce

Linux View network traffic Below the GUI, there is a lot of tools to show network traffic, so what to do under the command line.It is obvious that there are, for example, Ifconfig, there will be such output:RX bytes:1224128649 (1.1 GiB) TX bytes:34114947 (32.5 MiB)After a while, the values change, and the difference b

BKJIA exclusive translation] as developers, we all know that network-related programs we develop generally send related request information through the HTTP protocol. At the beginning of the application, the information transmitted on these networks is very smooth, and the information we get is what we expect. However, developers will often find that there is no such situation, especially when applications are connected to the

View historical data for network traffic in OssimEstablishing a baseline in a monitoring network segment is an important measure in network monitoring, and there is no baseline flow without a comparison criterion, which can be used to detect the traffic changes that cause th

Methods for LAN computers to limit network speeds, control computer Internet traffic, and allocate Internet bandwidthLimiting the speed of LAN computers has always been a concern of enterprise network administrators. How can this problem be achieved?First, you need to find out the cause of slow lan network speed, from