@ localhost ~] #Note:Instance 6: attackers can bypass the normal route table and directly send it to a host connected to the network.Command:Traceroute-r www.baidu.comOutput:[Root @ localhost ~] # Traceroute-r www.baidu.comTraceroute to www.baidu.com (61.135.169.125), 30 hops max, 40 byte packetsConnect: inaccessible Network[Root @ localhost ~] #Note:Instance 7: Set the wait time for response from the external
) ip addresses is 9.
-K computer-list
Route data packets using the computer list specified by computer-list. The maximum number of ip addresses allowed by consecutive computers to be separated by intermediate gateways (strictly source routes) is 9.
-W timeout
Specify the timeout interval, in milliseconds.
Destination-list
Specify the remote computer to be pinged.
C: //> ping ds.internic.net
Pinging ds.internic.net [192.20.239.132] with 32 bytes of data: (192.20.239.132 his IP address)
Reply from
providing such services. As a result, you can use this tool to understand the current network connection status of the service provider.After a host has installed the relevant traceroute CGI program, you can enter the IP address or name of the target host to obtain the relevant data:For example: in the United States host http://bs.mit.edu: 8001/cgi-bin/TracerouteQuery the data transmission path of the Polaris site www.lodesoft.com (a partner of the C
to understand the current network connection status of the service provider. After a host has installed the relevant Traceroute CGI program, you can enter the IP address or name of the target host to obtain the relevant data: for example, a host in the United States http://bs.mit.edu:8001/cgi-bin/traceroute Query the data transmission path of the Arctic Star Site www.lodesoft.com (partner of China Webmaste
Mtr (My traceroute) is a Network Diagnostics tool that incorporates ping and traceroute into a program. The MTR provides two interfaces: a ncurses interface that is useful for using MTR from a Telnet session, and a GTK + interface for X (provided in the MTR-GTK software package).MTR use1, MTR command line toolsMTR use is relatively simple, please refer to MTR's man page for detailed usage.[root@ts3-142 ~]#
) 3.056 ms 2.993 ms 2.960 ms 61.148.146.29 (61.148.146.29) 2.837 ms8 61.148.3.34 (61.148.3.34) 2.179 ms 2.295 ms 2.442 ms 202.106.35.190 (202.106.35.190) 7.136 ms9 * * * *30 * * * *[Email protected] ~]#DescriptionExample 6: Bypass the normal routing table and send directly to a network-attached hostCommand:Traceroute-r www.baidu.comOutput:[Email protected] ~]# traceroute-r www.baidu.comTraceroute to Www.baidu.com (61.135.169.125), hops max, + byte pac
the Traceroute tracking packet, submitted to the IDC service provider, but also help to solve the problem, but at present, it seems difficult to solve such problems, that is, we find the problem lies, IDC service providers will not be able to help us solve.Example 2: Hop count settingCommand:Traceroute-m www.baidu.comExample 3: Show only IP addresses, not hostname DNSCommand: Traceroute-n www.baidu.comExam
independent of each other. In the past, it was a single network, and now it is two networks, which is smooth. Let's just look at the Internet. instance 2: Some parameter usage examples; [root @ localhost ~] # Traceroute-m 10 linuxsir.org sets the number of hops to 10; [root @ localhost ~] # Traceroute-n linuxsir.org note: the IP address is displayed and the host name is not checked. [Root @ localhost ~] #
device itself. Of course, if a DNS problem, can not resolve host name, domain name, there will be a long delay phenomenon; You can add the-n parameter to avoid DNS resolution and output data in IP format.If there are different network segments in the LAN, we can use Traceroute to troubleshoot the problem, whether it is the host problem or the gateway problem. If we encounter a problem through remote access to a server, we use the gateway that the
202.106.42.101 (202.106.42.101) 7.449 ms 7.543 ms 7.738 ms 7.893 ms6 61.148.154.97 (61.148.154.97) 316.817 Ms Bt-228-025.bta.net.cn (202.106.228.25) 3.695 ms 3.672 MS *7 124.65.58.213 (124.65.58.213) 3.056 ms 2.993 ms 2.960 ms 61.148.146.29 (61.148.146.29) 2.837 ms8 61.148.3.34 (61.148.3.34) 2.179 ms 2.295 ms 2.442 ms 202.106.35.190 (202.106.35.190) 7.136 ms9 * * * *30 * * * *[Email protected] ~]#Example 6: Bypass the normal routing table and send directly to a network-attached hostCommand:Trac
The relevant knowledge about the Linux traceroute command is as follows:
Through traceroute we can know the information from your computer to the Internet on the other end of the host is what path to go. Of course the path to a certain same destination (destination) may be different every time a packet is reached by a certain same starting point (source), but basically the route is the same for most of the
The premise of all the commands in this article is: You can surf the internet now.People with a little computer knowledge know that the ping command is used to check whether their host is connected to the destination address, the communication packet communication rate of their host and destination address, the so-called communication packet, which is what TCP/IP,UDP package, here is a bit more popular, for example, Take this it website csdn to test, then get the following effect:But the route t
The difference between traceroute and tracert. Difference between traceroute and tracert recently, when I checked TCPIP details Volume 1, the traceroute and tracert commands gave me a little pitfall. The two were actually different. I captured packets in windows. what is the difference between traceroute and tracert?
R
The difference between traceroute and tracert
Recently in the view of TCP/IP detailed Volume 1 o'clock was traceroute and tracert command to a small hole, the original two is a difference.
I grabbed the bag under windows, and I couldn't catch the UDP packet ....
Also give yourself a wake up reading to move brain Ah!!!
Both are used to probe packets from the source to the destination routed IP, but the two
The Traceroute program allows us to see the route that an IP datagram passes from one host to another, and can use the IP source routing option. Traceroute replaces IP RR 1 not all routers support the IP RR option, and traceroute programs do not require intermediate routers to have any special or optional features. 2 logging routing is generally a one-way option.
Yesterday was asked the principle of traceroute, a moment unexpectedly also said, some orders usually although often in use, but the actual principle does not understand, take advantage of this opportunity to comb.
Traceroute: is a network diagnostic that is used to analyze the commands that IP packets pass through those routes.Preschool Knowledge:There is a field in the IP packet ttl, this is the max
Difference between traceroute and tracertRecently, when reading the TCP/IP details Volume 1, the traceroute and tracert commands gave me a small pitfall. The two were originally different.I captured packets under windows, but I still cannot catch udp packets ....I also reminded myself that it was time to read a book !!!Both are used to detect the IP addresses that route data packets from the source to the d
The simplest basic usage of traceroute is that the traceroute hostname traceroute program is designed to utilize the TTL (Time to Live) field of ICMP and IP headers. First, Traceroute sends out a TTL is 1 IP datagram (in fact, each send out for 3 40 bytes of packets, including the source address, the destination addres
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