blocks|key|4347572|text|一个packet+generator也许能做到这一点。wikipedia页面链接到一些实现，但我不知道它们是否在OSX上工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4347573|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/Packet_generator^0|2|G|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

A <a href="http://en.wikipedia.org/wiki/Packet_generator" rel="nofollow noreferrer">packet generator</a> might do the trick. The wikipedia page links to some implementations but I don't know if they work on OSX.

blocks|key|283240|text|是的有。这类活动用于ARP欺骗和ARP中毒攻击，并针对ex执行。由arpspoof提供。如果您想要发现主机的MAC，当您知道它的IP并且它位于您的广播域(局域网)中时，使用arping。ARP是第2层协议，因此它的数据包不会被路由器转发，但它比ICMP回应(ping)可靠得多。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|283241|一些工具：|283242|ARP+-标准程序(win/+unix+)，用于列出主机的IP-MAC地址关联缓存，其中包含已学习的IPs|283243|arping+-unix程序，该程序发送针对给定IP的ARP请求，并显示接收到的ARP+Response|unordered-list-item|283244|
|283245|arpspoof中包含的MAC+-+dsniff包中的程序，生成伪造的ARP响应|283246|283247|entityMap^0|X|8|2E|6|0|0|0|0|6|0|0|0|8|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]|$9|W|A|X|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|Y|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|Z|8|@]|D|@]|E|$]]|$1|J|3|K|5|L|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|M|3|N|5|6|7|13|8|@]|D|@]|E|$]]|$1|O|3|P|5|L|7|14|8|@$9|15|A|16|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|17|8|@]|D|@]|E|$]]|$1|R|3|-4|5|6|7|18|8|@]|D|@]|E|$]]]|S|$]]

Yes there is. This kind of activity is used in ARP Spoofing and ARP Poisoning attacks and is preformed for ex. by <code>arpspoof</code>. If You want to discover host's MAC, when You know its IP and it is located in Yours broadcast domain (LAN), use <code>arping</code>. ARP is layer 2 protocol, so it's packets are not forwarded by routers but it's much more reliable then ICMP echo (ping).

Some tools:

<ul>
<li><code>arp</code> - standard program (win/unix)
used to list host's IP-MAC address
association cache, which contains
already learnt IPs</li>
<li><code>arping</code> - unix program which sends ARP
Request for a given IP and displays
MAC contained in received ARP Response</li>
<li><code>arpspoof</code> - a program from dsniff package generating bogus ARP Responses</li>
</ul>

blocks|key|1008963|text|还有使用libpcap的arp-scan和使用libnet的arpdropper。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1008964|要被动地(或主动地)嗅探网络中的ARP包并显示生成包的机器的IP和MAC地址，您可以使用一个名为ArpSpyX的Mac应用程序。|1008965|#+arpdropper+requires+http://sourceforge.net/projects/libnet-dev/+to+compile
#+(libnet+&+arpdropper+successfully+compiled+on+Mac+OS+X+10.6.8)
curl+-LO+http://thebends.googlecode.com/svn/trunk/misc/arpdropper.c
gcc+-Wall+-Wextra+-lnet+-o+arpdropper+arpdropper.c

./arpdropper

#+Usage:+./arpdropper+-i+<device>+-s+<source+ip>+-d+<dest+ip>
#+For+arp+replies:
#+++./arpdropper+-r+-i+<device>+-s+<source+ip>+-m+<source+mac>+-d+<dest+ip>

#+using+nmap
#+get+a+pre-compiled+Mac+OS+X+version+of+nmap+at:
#+http://nmap.org/download.html#macosx+or
#+http://www.berndsworld.com/downloads/
nmap+-PR+-oN+nmap-arpscan.txt+192.168.0.0/16|code-block|syntax|javascript|1008966|entityMap|0|LINK|mutability|MUTABLE|url|http://www.nta-monitor.com/tools-resources/security-tools/arp-scan|1|http://thebends.org/~allen/arpspyx/^0|4|7|C|8|N|6|U|A|C|8|0|0|1C|7|1|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@$9|X|A|Y|B|C]|$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@$9|15|A|16|1|17]]|E|$]]|$1|F|3|G|5|6|7|18|8|@]|D|@$9|19|A|1A|1|1B]]|E|$]]|$1|H|3|I|5|J|7|1C|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|1D|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]|U|$5|P|Q|R|E|$S|V]]]]

There are also <code><a href="http://www.nta-monitor.com/tools-resources/security-tools/arp-scan" rel="nofollow">arp-scan</a></code> using <code>libpcap</code>; and <code>arpdropper</code> using <code>libnet</code>.

To passively (or actively) sniff your network for ARP packets and display the IP and MAC address of the machine that generated the packet you may use a Mac OS X application called <a href="http://thebends.org/~allen/arpspyx/" rel="nofollow">ArpSpyX</a>.

<pre><code># arpdropper requires http://sourceforge.net/projects/libnet-dev/ to compile
# (libnet &amp; arpdropper successfully compiled on Mac OS X 10.6.8)
curl -LO http://thebends.googlecode.com/svn/trunk/misc/arpdropper.c
gcc -Wall -Wextra -lnet -o arpdropper arpdropper.c

./arpdropper

# Usage: ./arpdropper -i &lt;device&gt; -s &lt;source ip&gt; -d &lt;dest ip&gt;
# For arp replies:
# ./arpdropper -r -i &lt;device&gt; -s &lt;source ip&gt; -m &lt;source mac&gt; -d &lt;dest ip&gt;

# using nmap
# get a pre-compiled Mac OS X version of nmap at:
# http://nmap.org/download.html#macosx or
# http://www.berndsworld.com/downloads/
nmap -PR -oN nmap-arpscan.txt 192.168.0.0/16
</code></pre>

Is there a way a send custom (and event undemanded) arp responses via shell (e.g. by hand or by a shell script) on MacOS X or any other UNIX?
In addition, is there a way of making the software ask for the MAC representation for all IPs in the current subnet without sending pings the anyone?

Sending arp via shell

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在MacOS X或任何其他UNIX上，有没有办法通过外壳(例如，手动或通过外壳脚本)发送自定义(和未要求的事件) arp响应？此外，有没有一种方法可以让软件请求当前子网中所有IP的MAC表示，而无需向任何人发送ping？

问通过shell发送arp
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问通过shell发送arpEN