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急问# EmergingNetworking - 热门网络技术

o*v2007-08-29 07:08

1 楼

【以下文字转载自 Linux 讨论区】
发信人: ooev (失忆周末), 信区: Linux
标题: 急问
发信站: BBS 未名空间站 (Wed Aug 29 21:50:06 2007), 转信
谁会用linux的工具给一个tcp连接发RST包？
nmap可以吗？

z*r2007-08-29 07:08

2 楼

this is called tcp rst attack, a kind of DoS attack. most firewalls will
block your behavior, however, if it's on your server/client/router, you can
try cutter or hunt

【在 o**v 的大作中提到】

: 【以下文字转载自 Linux 讨论区】
: 发信人: ooev (失忆周末), 信区: Linux
: 标题: 急问
: 发信站: BBS 未名空间站 (Wed Aug 29 21:50:06 2007), 转信
: 谁会用linux的工具给一个tcp连接发RST包？
: nmap可以吗？

o*v2007-08-29 07:08

3 楼

我是要断两个机器之间的直连的连接，没有fw没有nat在中间
cutter不
DESCRIPTION
Cutter is an open source program that allows Linux firewall administrators
to abort TCP/IP connections routed over the firewall or router on which it
is run.
hunt不行，因为连接其实已经断掉了，hunt不会监测到seq #
Connection Reset
With a single properly constructed packet you can reset the connection (RST
flag in TCP header). Of course, you have to know the sequence number
but it is not a problem for hunt which is watching all the time. You can
reset server,

【在 z**r 的大作中提到】

: this is called tcp rst attack, a kind of DoS attack. most firewalls will
: block your behavior, however, if it's on your server/client/router, you can
: try cutter or hunt

m*t2007-08-29 07:08

4 楼

断了你发要做什么。可以试试netcat 发replay 吧

RST

【在 o**v 的大作中提到】

: 我是要断两个机器之间的直连的连接，没有fw没有nat在中间
: cutter不
: DESCRIPTION
: Cutter is an open source program that allows Linux firewall administrators
: to abort TCP/IP connections routed over the firewall or router on which it
: is run.
: hunt不行，因为连接其实已经断掉了，hunt不会监测到seq #
: Connection Reset
: With a single properly constructed packet you can reset the connection (RST
: flag in TCP header). Of course, you have to know the sequence number