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tcpdump

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tcpdump

tcpdump - Capture and analyze traffic sent or received on a network interface.

Description:
Capture and displays the contents of packets sent or received on a network interface.

Syntax:

  tcpdump  {{show} |
            {export filename {capture_1 | capture_2} <url>} |
            {port <port-name>} |
            {output {filename {capture_1 | capture_2} | stdout}} |
            {filter <string>} |
            {timeout <0-300>}}

Parameters:

Parameter Description
show List all captured files.
export Export captured files to a specific URL. Only scp:// and sftp:// protocols are supported.
port Network interface to capture.
output Option to dump packet data to stdout or save to pcap files.
filter Only capturing the packets that match that filter expression. Refer to pcap-filter documentation.
timeout Option to configure the packet capture time. A value of 0 means to capture continuously.

tcpdump export

tcpdump export - Export captured PCAP files

Description:
Export captured files to a specific url. Only scp:// and sftp:// protocols are supported.

Syntax:

  tcpdump { export filename { capture_1 | capture_2 }
          { scp | sftp }://[<user-name>:<password>@]<url> }

tcpdump show

tcpdump show - Show all captured PCAP files

Description:
Show all captured PCAP files.

Syntax:

  tcpdump show

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