tcpdump是一种功能最强大且使用最广泛的命令行数据包嗅探器或包分析工具,用于捕获或过滤通过特定接口在网络接收或传输的TCP/IP数据包。Tcpdump可在各种基于 Linux/Unix 的操作系统上使用。此外,它还提供了将捕获的数据包保存在文件中以供将来分析的宝贵选项。它以pcap格式保存文件,可以通过 tcpdump 命令或名为Wire...
要基于TCP端口捕获数据包,请运行以下命令并附带选项tcp。 #tcpdump-ieth0tcp tcpdump:verboseoutputsuppressed,use-vor-vvforfullprotocoldecode listeningoneth0,link-typeEN10MB(Ethernet),capturesize65535bytes 12:10:36.216358IP172.16.25.126.ssh>172.16.25.125.apwi-rxspooler:Flags[P.],seq3509646029:3509646225,a...
intrinsa 503/udp 0.000708citadel 504/tcp 0.000000citadel 504/udp 0.000758mailbox-lm 505/tcp 0.000038mailbox-lm 505/udp 0.000807ohimsrv 506/tcp 0.000000ohimsrv 506/udp 0.000577crs 507/tcp 0.000050crs 507/udp 0.000593xvttp 508/tcp 0.000000xvttp 508/udp 0.000461snare 509/tcp 0.000075snare 509/udp ...
端口:1 服务:tcpmux 说明:这显示有人在寻找SGI Irix机器。Irix是实现tcpmux的主要提供者,默认情况下tcpmux在这种系统中被打开。Irix机器在发布是含有几个默认的无密码的帐户,如:IP、GUEST UUCP、NUUCP、DEMOS 、TUTOR、DIAG、OUTOFBOX等。许多管理员在安装后忘记删除这些帐户。因此HACKER在INTERNET上搜索tcpmux并利...
0x0040: 57f1 59be bdfc a1a6 a589 cde5 f027 d6b0 W.Y...'..0x0050: 1b57 72f9 348c773503ca 8eb3 1dcd 8ef1 .Wr.4.w5...0x0060: c8bd aec58442f2cb...B..21:03:17.948133 tun0 In IP10.0.115.119.https>kkulkarni.33082: Flags[.], ack4094910727, win400, options[nop,nop,TS ...
安全关闭:必须通过四次挥手来关闭连接,它由进程调用 close 或 shutdown(参数须传入 SHUT_WR 或 SHUT_RDWR)发送 FIN 报文来关闭连接。 3.7.1 close 函数 调用close 函数关闭连接,意味着完全断开连接,包括读写两个方向都关闭了,被 close 关闭的连接叫「孤儿连接」,因为它无法再发送和接收数据,如果你用 netstat ...
0x00b0: 71b3 1357 52c7 cf00 95c6 c9f6 63b1 ca51 q..WR...c..Q 0x00c0: 0ac6 456e 0620 38e6 10cb 6139 fb2a a756 ..En..8...a9.*.V 0x00d0: 37d6 c5f3 f5f3 d8e8 3316 d14f d7ab fd93 7...3..O... 0x00e0: 1137...
PBS-504-002-K008、BNI004T,BNI,IOL-716-000-K023、BNI004U,BNI,PNT-502-105-Z015、BNI004W,BNI,IOL-770-V06-A027、BNI0050,BNI,IOL-302-000-Z026、BNI0052,BNI,PNT-302-105-Z015、BNI0053,BNI,PNT-104-105-Z015、BNI0054,BNI,PBS-302-103-Z001、BNI005A,BNI,DNT-502-100-Z001、BNI005C,...
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