scapy安装
1、安装
1)下载源文件
wget https://pypi.python.org/packages/6d/72/c055abd32bcd4ee6b36ef8e9ceccc2e242dea9b6c58fdcf2e8fd005f7650/scapy-2.3.2.tar.gz#md5=b8ca06ca3b475bd01ba6cf5cdc5619af2）解压，然后进入目录，执行安装命令，如下
[root@LFA-L0038215 ～]# tar xvf scapy-2.3.2.tar.gz
[root@LFA-L0038215 ～]# cd scapy-2.3.2/
[root@LFA-L0038215 ～]# ls
bin doc MANIFEST.in PKG-INFO run_scapy scapy setup.py test
[root@LFA-L0038215 ～]# python setup.py install2 使用命令
>>> a=Ether()/IP(dst="www.baidu.com")/TCP()/"GET index.html HTTP/1.0 \n\n"
>>> hexdump(a)
0000 00 16 3F AA AA AA 02 01 02 74 00 2F 08 00 45 00 ..?......t./..E.
0010 00 42 00 01 00 00 40 06 63 1A 78 34 4E AE 77 4B .B....@.c.x4N.wK
0020 D9 6D 00 14 00 50 00 00 00 00 00 00 00 00 50 02 .m...P........P.
0030 20 00 90 5C 00 00 47 45 54 20 69 6E 64 65 78 2E ..\..GET index.
0040 68 74 6D 6C 20 48 54 54 50 2F 31 2E 30 20 0A 0A html HTTP/1.0 ..
>>>
>>> b=str(a)
>>> b
'\x00\x16?\xaa\xaa\xaa\x02\x01\x02t\x00/\x08\x00E\x00\x00B\x00\x01\x00\x00@\x06c\x1ax4N\xaewK\xd9m\x00\x14\x00P\x00\x00\x00\x00\x00\x00\x00\x00P\x02 \x00\x90\\\x00\x00GET index.html HTTP/1.0 \n\n'
>>> c=Ether(b)
>>> c
<Ether dst=00:16:3f:aa:aa:aa src=02:01:02:74:00:2f type=IPv4 |<IP version=4L ihl=5L tos=0x0 len=66 id=1 flags= frag=0L ttl=64 proto=tcp chksum=0x631a src=120.52.78.174 dst=119.75.217.109 options=[] |<TCP sport=ftp_data dport=http seq=0 ack=0 dataofs=5L reserved=0L flags=S window=8192 chksum=0x905c urgptr=0 options=[] |<Raw load='GET index.html HTTP/1.0 \n\n' |>>>>
>>> a
<Ether type=IPv4 |<IP frag=0 proto=tcp dst=Net('www.baidu.com') |<TCP |<Raw load='GET index.html HTTP/1.0 \n\n' |>>>>