尊龙凯时人生就是博

linux tcpdumpºóÔõô°ì

tcpdump µÄºóÐø°ì·¨°üÀ¨£º×èÖ¹ tcpdump¡¢ÉúÑÄÊý¾ÝΪÎı¾Îļþ¡¢libpcap Îļþ»òÁ÷ʽ´«Êä¡¢¶ÁÈ¡ pcap Îļþ£¨Ê¹Óà tcpdump »ò wireshark£©¡¢ÆÊÎöÊý¾Ý£¨Éó²é»ù±¾ÐÅÏ¢¡¢¹ýÂËÊý¾Ý¡¢»ñȡͳ¼ÆÐÅÏ¢£©¡¢Ê¹Óà tcpdump ¼ì²éÏêϸÊä³ö¡¢Ê¹Óà tshark ÆÊÎöÊý¾Ý¡£

Linux tcpdump ºóÐø°ì·¨

Ä¿µÄ£ºÏàʶ tcpdump ºóÐø´¦ÀíÊý¾ÝµÄ³£ÓúóÐø°ì·¨¡£

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1. ×èÖ¹ tcpdump

Ctrl + C

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2. ÉúÑÄÊý¾Ý

ÉúÑÄΪÎı¾Îļþ£º

tcpdump -w filename.pcap

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ÉúÑÄΪ libpcap Îļþ£º

tcpdump -C filename.pcap

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Á÷ʽÉúÑĵ½Îļþ£º

tcpdump -w - > filename.pcap

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3. ¶ÁÈ¡ pcap Îļþ

ʹÓà tcpdump£º

tcpdump -r filename.pcap

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ʹÓà Wireshark£º

·­¿ª Wireshark¡£

µ¥»÷¡°Îļþ¡±>¡°·­¿ª¡±¡£

Ñ¡ÕªÒª·­¿ªµÄ pcap Îļþ¡£

4. ÆÊÎöÊý¾Ý

Éó²é»ù±¾ÐÅÏ¢£º

tcpdump -r filename.pcap -nn

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¹ýÂËÊý¾Ý£º

tcpdump -r filename.pcap 'filter expression'

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ͳ¼ÆÐÅÏ¢£º

tcpdump -r filename.pcap -c count

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5. ÒÉÄÑÃ÷´ð

ʹÓà tcpdump -v Éó²éÏêϸÊä³ö£º

tcpdump -v -r filename.pcap

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¼ì²é libcap ¹ýÂËÆ÷Óï·¨£º

tcpdump -F -r filename.pcap

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ʹÓà tshark ÆÊÎöÊý¾Ý£º

tshark -r filename.pcap

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