建站
咨詢
售后
建站咨詢
新聞中心
如何抓取報文
創(chuàng)新互聯(lián)專業(yè)提供成都主機托管四川主機托管成都服務器托管四川服務器托管，支持按月付款！我們的承諾：貴族品質(zhì)、平民價格，機房位于中國電信/網(wǎng)通/移動機房，四川電信科技城機房服務有保障！
在網(wǎng)絡通信中，報文是數(shù)據(jù)的基本單位，用于傳輸信息，抓取報文可以幫助我們分析和理解網(wǎng)絡通信的過程，以便進行故障排查、性能優(yōu)化等工作，本文將介紹如何抓取報文的方法和技巧。
使用抓包工具
抓包工具是抓取報文的主要手段，它可以捕獲網(wǎng)絡中傳輸?shù)臄?shù)據(jù)包，并將其解析為可讀的格式，常見的抓包工具有Wireshark、Tcpdump、Ethereal等。
1、Wireshark
Wireshark是一款功能強大的網(wǎng)絡協(xié)議分析工具，支持多種操作系統(tǒng)，包括Windows、Linux和Mac OS，它提供了豐富的過濾和統(tǒng)計功能，可以方便地對報文進行分析。
安裝Wireshark：訪問官方網(wǎng)站（https://www.wireshark.org/）下載對應版本的安裝包，按照提示進行安裝。
使用Wireshark抓取報文：打開Wireshark，選擇要捕獲的網(wǎng)絡接口，設(shè)置過濾器，點擊“開始”按鈕進行捕獲，捕獲完成后，可以查看報文列表，對報文進行分析。
2、Tcpdump
Tcpdump是一款基于命令行的抓包工具，適用于Linux和Unix系統(tǒng)，它提供了簡單的過濾和統(tǒng)計功能，可以滿足基本的抓包需求。
安裝Tcpdump：在Linux系統(tǒng)中，可以使用以下命令安裝Tcpdump：
sudo aptget install tcpdump
使用Tcpdump抓取報文：在終端中輸入以下命令，指定要捕獲的網(wǎng)絡接口和過濾器，然后按回車鍵開始捕獲，捕獲完成后，可以查看報文內(nèi)容。
tcpdump i eth0 'tcp port 80' s 0 w capture.pcap
使用瀏覽器插件
除了使用抓包工具外，還可以通過瀏覽器插件來抓取報文，這種方法適用于HTTP/HTTPS協(xié)議的報文抓取。
1、Fiddler
Fiddler是一款免費的Web調(diào)試代理工具，支持Windows系統(tǒng)，它可以捕獲HTTP/HTTPS協(xié)議的報文，并提供豐富的過濾和統(tǒng)計功能。
安裝Fiddler：訪問官方網(wǎng)站（https://www.telerik.com/fiddler）下載對應版本的安裝包，按照提示進行安裝。
使用Fiddler抓取報文：打開Fiddler，點擊“Tools”菜單，選擇“Options”，啟用“Capture Traffic”選項，然后啟動瀏覽器，訪問目標網(wǎng)站，F(xiàn)iddler會自動捕獲報文，捕獲完成后，可以查看報文列表，對報文進行分析。
2、Charles
Charles是一款跨平臺的抓包工具，支持Windows、Mac OS和Linux系統(tǒng)，它可以捕獲HTTP/HTTPS協(xié)議的報文，并提供豐富的過濾和統(tǒng)計功能。
安裝Charles：訪問官方網(wǎng)站（https://www.charlesproxy.com/）下載對應版本的安裝包，按照提示進行安裝。
使用Charles抓取報文：打開Charles，選擇要捕獲的網(wǎng)絡接口，設(shè)置過濾器，點擊“Start”按鈕進行捕獲，捕獲完成后，可以查看報文列表，對報文進行分析。
使用編程語言庫
除了使用抓包工具和瀏覽器插件外，還可以通過編程語言提供的庫來抓取報文，這種方法適用于自定義開發(fā)的場景。
1、Python
Python提供了第三方庫scapy，可以方便地抓取和解析報文，scapy支持多種網(wǎng)絡協(xié)議，包括IP、TCP、UDP、ICMP等。
安裝scapy：在Python環(huán)境中，可以使用以下命令安裝scapy：
pip install scapy
使用scapy抓取報文：編寫Python腳本，使用scapy提供的函數(shù)來抓取和解析報文。
from scapy.all import sniff, IP, TCP, show, sendp, hexdump, raw, Ether, ARP, DNS, UDP, ICMP, srp1, srp2, wrpcap, rdpcap, gtpcap, pcap, iface, get_if_addr, get_if_hwaddr, get_if_list, dpkt, socket, conf, ipx, nids, arpcache, route, l2socket, l2tp, lsnr, ntohs, htons, inet_ntoa, inet_aton, get_if_raw_addr, get_if_mtu, get_if_speed, get_if_promisc, get_if_hwaddr as get_interface_hwaddr, get_if_name as get_interface_name, get_if_stats as get_interface_stats, get_if_ioctl as get_interface_ioctl, setlogmask as setloglevel, sndbuf as setbuffersize, conf.verb as setverbosity, load_openssl_crypto_modules as load_crypto_modules, load_libcrypto as load_libcrypto_module, load_libssl as load_libssl_module, randbytes as random_bytes, randint as random_number, time as current_time, sleep as delay, select as select_timeout, urandom as read_random_bytes, bpfloop as pcap_loop, pcaprec on as enable_pcap_extensions, pcaprec off as disable_pcap_extensions, pcapoff as disable_pcap, pcap on as enable_pcap, pcap as pcapy, send as sendpakpacket, sendpakpacket as sendpacket, sendto as sendpakpackettohost, sendpakpackettohost as sendpackettohost, listen as sniffloop, sniffloop as sniffpacketloop, sniff as sniffpacket, sniffpacket as snifferloop, l2listen as l2socketlistenerloop, l2socketlistenerloop as l2socketlistenerloopfunction, l2socketlistener as l2socketlistenerfunction, l2socketconnect as l2socketconnectfunction, l2socketdisconnect as l2socketdisconnectfunction, l2socketsend as l2socketsendfunction, l2socketreceive as l2socketreceivefunction, gtplistenerloop as gtpsocketlistenerloopfunction, gtpsocketlistenerloop as gtpsocketlistenerloopfunction, gtpsocketlistener as gtpsocketlistenerfunction, gtpsocketconnect as gtpsocketconnectfunction, gtpsocketdisconnect as gtpsocketdisconnectfunction, gtpsocketsend as gtpsocketsendfunction, gtpsocketreceive as gtpsocketreceivefunction, dnsqry as dnsqueryfunction, dnsresponseas dnsresponsefunction, dnstransactionas dnstransactionfunction, whoisas whoisqueryfunction, whoisresponseas whoisresponsefunction, whoistransactionas whoistransactionfunction, wrpcapfileas wrpcapfilefunctionfromfileas wrpcapfilefromfilefunctionfromstringas wrpcapfilefromstringfunctionfromhexas wrpcapfilefromhexfunctionfromhexdupas wrpcapfilefromhexdupas functionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadcastfunctionfromhexdupbroadcastas wrpcapfilefromhexdupbroadbeats wrpcapfilefromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroadbeats functionfromhexdupbroa
標題名稱：如何抓取報文里的證件號ID
文章源于：http://www.dlmjj.cn/article/dpgicdp.html
