komenda tcpdump użycie co to jest
Jak użyć TCPDUMP? Definicja w konsoli network traffic that match expression . The command continues.
Znaczenie komenda tcpdump użycie definicja.

Czy przydatne?

Komenda/polecenie: Jak użyć tcpdump

Uruchomienie, wykonanie: tcpdump [options] [expression]

Jak działa TCPDUMP, co robi TCPDUMP: System administration command. Dump headers and packets of network traffic that match expression. The command continues to capture packets until it receives a SIGTERM or SIGINT signal (usually generated by typing the interrupt character control-C). When finished, it will generate a report on traffic captured, received, or dropped by the kernel

Dostępne opcje, wywołanie TCPDUMP: -A

Print packets in ASCII text.

-c n

Exit after receiving n packets.

-C n

When saving to a file, do not write files larger than n million bytes. Open a new file with the same basename appended by a number. Start with the number 1.

-d, -dd, -ddd

Compile and dump the packet-matching code for the given expression, then exit. Use the second form to dump it as a C programming fragment. Use the third form to dump the code in decimal.

-D

Print a list of the available interfaces, then exit.

-e

Print the link-level header on each line.

-F file

Read expression from the specified file.

-i interface

Listen on the specified interface. If not specified, tcpdump will listen on the lowest-numbered interface available, other than the loopback interface. Use any to listen to all available interfaces.

-l

Line buffer standard out.

-L

Print the data link types for an interface, then exit.

-n, -nn

Print IP addresses instead of converting them to hostnames. Use the second form to leave protocols and port numbers in numeric form, as well.

-N

Print hostnames instead of fully qualified domain names.

-q

Abbreviate output, printing less protocol information.

-r file

Read packets from the specified file. (You can create such a file with the -w option.)

-s n

Read n bytes of data from each packet. (The default is 68.)

-S

Print absolute TCP sequence numbers.

-T n

Read n bytes of data from each packet. (The default is 68.)

-t, -tt, -ttt, -tttt

Change display of timestamp. Use the first form to omit the timestamp from each line. Use the second form to print an unformatted timestamp. Use the third form to print the time in seconds between the current and the previous dump line. The final form prints the date before the timestamp on each dump line.

-u

Print undecoded NFS handles.

-v, -vv, -vvv

Increase the verbosity of the printout. Each additional v increases the detail of the information printed.

-w file

Write the raw packet information to file without parsing or printing it. Specify - to write to standard output.

-x,-xx

Print packets in hex. Use the second form to print the packet's link level header in hex as well.

-X,-XX

Print packets in hex and ASCII text. Use the second form to print the packet's link level header in hex and ASCII as well.

-Z user

Drop root privileges and change to the specified user. Use the primary group of the specified user.

Co znaczy :
Definicja A null command that returns a successful (0) exit status. See also false co znaczy.
Co znaczy :
Definicja Accept output from another command and send it both to standard output and to files (like a T or fork in the road krzyżówka.
Co znaczy :
Definicja lines of each named file (or standard input if - is specified) on standard output. If more than one file is specified, the output includes a header at the beginning of each file: = =>filename < co to jest.
Co znaczy :
Definicja Telnet protocol server. telnetd is invoked by the Internet server for requests to connect to the Telnet port (port 23 by default). telnetd allocates a pseudo-terminal device for a client, thereby słownik.
Co znaczy :
Definicja files , update the access time and modification time (and dates) to the current time and date. touch is useful in forcing other commands to handle files a certain way; for example, the operation of czym jest.

Użycie TCPDUMP zastosowanie komendy na linii poleceńw Słownik T .

  • Dodano:
  • Autor: