traffic sniffer

Internet cafe sniffing With the development of multiple levels and diversity of the Internet, Internet cafes have been used in simple applications such as instant messaging, Web browsing, and email, extended into technical applications that run a large number of online games, online video and audio, interactive teaching, and P2P. Application features also present diversity and complexity. Therefore, these applications impose more stringent and demanding requirements on the quality of our network

Open source database traffic audit MySQL SnifferMy most respected database security product is a traffic-based database audit, because it does not need to change the network structure, and the most critical is that it does not affect the performance of the database server, do not have to earnestly persuade the database administrator to install monitoring software. It can be better to find the drag library b

Today, I suddenly think of this problem: Wireshark can catch the other host's package, because of the shared Ethernet; So now switched Ethernet how to use Wireshark?Read some information on the Internet, organized the following articleSniffer (sniffer) is a commonly used method of collecting useful data, which can be a user's account number and password, which can be some commercially confidential data, etc. Snifffer can be used as a device to capture

introducing the concept of SNI er, we must first introduce some basic concepts of LAN devices.Data is transmitted in a small frame unit on the network. frames are composed of several parts and different parts perform different functions. Frames are driven by a specific network Program The software is molded, and then sent to the network card through the network card, through the network cable to reach their target machine, at the end of the target machine to execute the opposite process. The et

account by an illegal hacker and will pose great harm to network security. Generally, someone uses sniffer to collect this information for only one reason: he is conducting a fraud, (generally, IP address fraud requires you to insert the byte sequence number of the tcp connection accurately, which will be pointed out in future articles.) If someone is very concerned about this issue So sniffer is just a pr

bandwidth usage to potential network attenuation, Sniffer reporter provides detailed data to help you plan future network requirements. available reports on Ethernet and licensing rings include host tables, matrices, protocol distribution, global statistics, and other reports.Sniffer voice options:Sniffer voice is a value-added package integrated with sniffer portable. It provides necessary information for

From -- http://blog.csdn.net/zhangnn5/article/details/6810347 Reading this articleArticleBefore that, I suppose you already know the TCP/IP protocol, ARP protocol, What Is sniffer, and other basic network knowledge.In a General Lan, there are usually two access methods, one is hub access (The Hub here refers to the general hub ), one is direct access from a vswitch (the vswitch here is a relatively advanced vswitch, which is not included in the old-

network sniffer can only be captured. That is to say, in the network environment built by the switch, the network sniffer cannot analyze packets from other hosts or the entire LAN without using a special method. However, if we want to use network sniffer to solve network problems in such a network environment, you must consider how to connect the network

Principles of network sniffing tools sniffer wireshark Today, I suddenly think of this question: the reason why wireshark can catch packets from other hosts is shared Ethernet. How can I use wireshark for switched Ethernet? I read some documents online and sorted out the following article. Sniffer is a common method for collecting useful data. The data can be user accounts and passwords, or commercial conf

PHP-made port sniffer--you can specify the website and port and return the sniff results. function Http_request ($server, $port) { $data = ""; $query = "head/http/1.0"; $fp = Fsockopen ($server, $port); if ($fp) { Fputs ($FP, $query. " Rnn "); while (!feof ($fp)) { $data. = Fread ($fp, 1000); } Fclose ($FP); } return $data; } ?> if ($action = = "Query") { $data = Http_request ($server, $port); echo "Connected to $server on port $port. ";echo "Outp

parsing.The last three lines of code are specific applications where we use pcapy for data capture.pcap = pcapy.open_live(dev, 1500, 0, 100)Open_live method The first parameter is the device to be opened, the second parameter is the size of the capture packet, whether the third parameter turns on promiscuous mode, the fourth parameter is the delay time to wait for the packet, and the method returns a Pcapy object.pcap.setfilter(filter)Call the SetFilter method to set the filter.pcap.loop(0, han

○ Collation This article was written one year ago and was not completed for some reason. Today, I sorted out shadowstar's home and accidentally found this unfinished article. Although it was a year ago, it is still not out of date and should be helpful to anyone who wants to know sniffer. My father said that everything should start and end. Today is the Dragon Boat Festival. I would like to send a message to my loved ones who are far away from each ot

Any tool software has a wealth of features, so in the daily maintenance of internet cafes, for a software, not only to know its surface function, but also to understand its working principle, so as to more effectively mining software more advanced applications and functions, in order to solve the network of difficult problems. The following combined with some of the day-to-day network failure examples, introduce sniffer and network law enforcement off

Sniffer is a powerful protocol analysis software launched by NAI, it can capture network traffic for detailed analysis, monitor network activities in real time, use expert analysis system to diagnose problems, and collect Network Utilization and errors. Sniffer Pro 4.6 can run on a variety of Windows platforms, as long as it is installed on any machine on the net

download it from www.tcpdump.org.Before installing Wireshark on Windows and Linux systems, you must first ensure that you have installed WinPcap or linpcap on your system. 1.1 is the main interface of Wireshark when it is running under Windows System.　　2, Tcpdump and WindumpTcpdump is one of the oldest and most frequently used network protocol analysis software, and it is a command-line based tool. Tcpdump filters the traffic to be captured on the ne

As Linux becomes more and more widely used in the network, its security issues are getting more and more attention. This article mainly introduces the working principle and preventive measures of the sniffer technology. What is a sniffer? Sniffer is a device that can capture network packets. Sniffer is a

forwarded over Ethernet. Sniffer is a complicated attack method. Generally, only a hacker can use it as long as he understands it and can try it. I often know it through exercises !) For a new network user, even if a sinffer is successfully compiled and run on a host, no useful information is obtained. Because the information traffic on the network is usually quite large, it is very difficult to find the r

Among today's many hacking technologies, sniffer is the most common and important technology. Anyone who has used the sniffer tool on windows (for example, netxray and snifferpro) may know that in a shared Lan, using the sniffer tool can provide a clear view of all the traffic in the network! Among today's many hacking

forwarded over Ethernet. Sniffer is a complicated attack method. Generally, it is only a hacker who can use it. (As long as you understand it, you can try it. I often know it through exercises !) For a new network user, even if a sinffer is successfully compiled and run on a host, no useful information is obtained. Because the information traffic on the network is usually quite large, it is very difficult

at the same time) in the listening mode of other ports ), in this way, the switch copies the data from Port 2 to port 24 to Port 1 at any time and anywhere, and then listens on Port 1, so that sniffer can be used. Insert the network management computer into Port 1 (Image Port) and enable the sniffer software. How can this problem be solved? Is the interface cool? The left and right maps intuitively show