comando tracert

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Prevention and Handling of ARP attacks

multiple IP addresses, that is, the MAC address of the virus machine. Which host corresponds to the MAC address? In windows, the ipconfig/all command is used to view the information of each host. However, if the number of computers is too large, it is not a way to query one host, therefore, you can download a software called "NBTSCAN", which can obtain the real IP address and MAC address of the PC.Command: "nbtscan-r 192.168.80.0/24" (search for the entire 192.168.80.0/24 CIDR block, that is, 1

I'm a zombie-I don't want to be a zombie

Related Articles: I'm a passer-by-side attack http://www.bkjia.com/Article/200812/30776.html By: linziCommunication won't be left alone. You can come up with good suggestions: D Example:I usually search for BOTs in combination with google earth. First, locate the desired regions, such as Beijing and Shanghai,HK, TW, KR, JP, USA, Southeast Asia, etc. At this time, tracert can draw the topology of the backbone network in each region, and thenPlay the ga

Implementation of a simple Scanner

to avoid such monitoring and achieve the purpose of evaluation, there is a secret scan. This scan method is characterized by the ICMP information returned when the UDP port is disabled, and does not contain any part of the standard TCP three-way handshake protocol, which is concealed, however, the packets used for this scan are easily discarded when they pass through the network, resulting in incorrect detection information. However, UDP scanning has obvious defects, such as slow speed and low

ICMP datagram Structure

exception on the way (for example, discarded by the router, the target does not respond to ICMP or the transmission fails), the target returns an ICMP message of type = 0, indicating that this host exists, more detailed tracert uses the node used to calculate ICMP packets to determine the network distance between the host and the target. 2. The target cannot be reached, the source is blocked, and the report is received. The format of the three types

Windows running commands)

queue,Display print tasks sent to UNIX-based serversLpr.exe> send a printJob to a network printer. Redirect print task to print in the NetworkMachine. It is usually used by UNIX client printers to send print tasks to connections.NNT printer server of the printing device. Lsass.exe> LSA exec utable and Server DLLDLL for running LSA and ServerLserver.exe> specifies the new DNS domainThe default server specifies the default seRver's new DNS domainOs2.exe> an OS/2 WarpServer (os2/O) OS/2Os2srv.exe>

How to Use Win2000 Server to configure routes (figure)

to connect to 10.0.0.2 ~ 10.0.0.5, and 192.168.0.2 ~ 192.168.0.5 two different network segments. We must conduct tests. The specific method is to select a computer in the first CIDR block to send data packets to any computer in the second CIDR Block and track the data packets forwarded by the router. On the computer 10.0.0.2, type tracert to 192.168.0.2 under "MS-DOS mode". The result is as follows: Tracing Route to 192.168.0.2Over a maximum over 5 o

The most useful network commands

0 00:00:39The command is successfully completed. 10. Route Tracking commandA. tracert software.pchome.netB. pathping software.pchome.net in addition to displaying routes, it also provides S analysis to calculate the % of the dropped packets 11. Several commands on shared securityA. view the shared resources of your machine. NET ShareB. manually delete the share (you can compile a BAT file, start the instance and run it, and delete all the shares !)Co

MS-DOS (CMD)

ManagerConfigure the ODBC driver and data source through the odbcconf.exe command lineOobe/msobe/A check whether XP is activatedOsk on-screen keyboardPackager.exe object packagePathping.exe contains Ping and tracert programsPentnt.exe checks floating point errors of PentiumPerfmon.exe System Performance MonitorPerfmon. msc computer performance monitoring programPing.exe verify the connection to the remote computerPosix.exe for Unix compatibilityPower

Network commands and terminology

Common network commands (I) ------ ping command usageHttp://www.feedom.net/forums/showthread_3738.html Common network commands (ii) ------ netstat usageHttp://www.feedom.net/forums/showthread_3740.html Common network commands (iii) ------ ipconfig usageHttp://www.feedom.net/forums/showthread_3746.html Common network commands (iv) ------ ARP tracert usageHttp://www.feedom.net/forums/showthread_3748.html Common network commands (5) ------ route

Security penetration by80

database detaching, 2. MySQL Elevation of Privilege, mySQL database disconnection is targeted at the Forum server and member data. MySQL is used to remotely connect to the database. Generally, the Select * from Members table is located and the file SQL is exported to the local machine, the detailed member data is stored in it. MySQL Elevation of Privilege is to improve permissions. You need to export the DLL file of the Registry and then execute the SQL command to add a management group. Genera

Doscommand calling in C ++ (3) -- I do not advocate the extensive use of doscommands

good command-line programs compiled by others can be used to add some functions that are hard to implement for their own programs. Here, I provide several doscommands that I personally think are worth using: FC, COMP: Compare files Ping: Needless to say Regedit/E: Export registry Regedit/L: Import Registry Xcopy: it is easier to copy files and directory trees than shfileoperation. Deltree: delete a directory, which is easier to use than shfileoperation. Proxycfg, finger,

Network penetration ideas

and samspade; 2, in UNIX: NSlookup, dig, host, axfr Usage in Windows: C:/> NSLookup Default Server: The target DNS Server Address: the destination IP address. > Set type = any // indicates accepting any possible DNS records > Ls-D 163.com> zone.163.com.txt // obtain the relevant records of the target domain and save the results in ZonE.163.com.txt D. Obtain the topological structure of the network and the IP address of the network device through traceroute. Related tools; In Windows:

Centos Security Settings

1. Use a firewall to close unnecessary ports. If someone else fails to ping the server, the threat is naturally reduced by more than half. Methods To prevent ping by others: 1) at the command promptEcho 1>/proc/sys/NET/IPv4/icmp_echo_ignore_all 2) use a firewall to prohibit (or discard) ICMP PacketsIptables-A input-p icmp-J Drop First use/sbin/ifconfig to view the NIC information and find the NIC name, for example, eth0.RunIptables-A output-O eth0-p icmp-J acceptIptables-A input-I eth0-P ICMP-ty

Simple Network Performance Detection

easily modify the MTU value of the local machine. It is convenient to detect the MTU from the client machine to the server. For vro parameter settings, you can modify the MTU and tcp mss values of the vro interface to solve the problem.The MTU and tcp mss values of specific packets should be tried based on the specific application and the best value should be selected based on the experience value. The MTU value can be selected for testing through the ping command; the selection of tcp mss valu

VPs of linode

Mbps of ADSL can reach more than kb, and I have not tried it yet. This is the access speed in Shanghai. tracert looked at the host from home to linode. After 13 routes, ping the host from home to hichina for 170 Ms, after 14 routes, Ping 125 Ms. And then move the previous items. It is really easy to find a solution for website migration. At first, I wanted to upload the file over FTP, but there were too many files on the joomla site. FTP has 6 thread

Analysis on TCP/IP Fault Handling

-number commands along the forwarding path to view statistics or debugging information. Use the preceding two commands to check whether the packet is discarded at the IP layer and why, such as TTL and Checksum. 4. Confirm the specific reason Check whether the route is correct. Run the display fib command to view the forwarding table and check whether the corresponding forwarding item exists. Whether the next hop and outgoing interface of the forwarding item are correct. If the forwarding item is

System Administrator Quick Start

of the file server. Network ManagementNetwork management, including debugging for Email, DNS, and WWW. For emails, use sendmail-bt-C filename,Or mail the user first, then telnet host 110, and debug it through the user username; pass passwd; list; retr *; quit and other pop3 commands. For DNS, use the nslookup command for domain name resolution,Check whether the IP address can be correctly parsed. For WWW, check through the browser.In addition, view ~ For NT, use the server manager in the manage

Vro with network Basics

Ethernet port of the local router. If the port fails, the Ethernet port may not be activated or is not in the same network segment. Ping the wide area network port. If the port fails, no default route is added. Ping the WAN port of the other Party. If no connection is available, the router configuration is incorrect. Ping the Ethernet port of the host. If the port fails, no default route is added to the host. 4. Add a gateway (static route) to the host X.25 of the leased line card ). The method

Flexible selection of ADSL Shared Server method 1

hypothetical gateway to access the Internet, we can use TRACERT to check that the LAN will be connected through 192.168.0.1 when accessing other websites. In this way, it takes a few seconds to open the ADSL shared connection first. If you want to disconnect the connection, you can first tell others to dial. Do not forget to remove "INTERNET Connection Sharing" when disconnected ". Otherwise, if someone else goes first, the system will prompt "ip add

3rd. ES documentation and fault handling

receive ICMP response, verify network connectivity2) arp-a; View the MAC-IP mapping table for modifying ES (same subnet)3) Telnet host/ip-address; log in to remote ES or a specific TCP portWindows platform Commands1) ipconfig/all; see modify IP information for es (for all Windows platforms)2) winipcfg; see modify IP information for es (Win9x platform only)3) tracert host/ip-address; Verify the connection to the host and display the device IP on the p

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