抓住个滥用ARP的现行
 
--
Justin Wong
 
 
 
On Wed, Apr 20, 2016, at 13:24, Sam Stoelinga wrote:
> 你可以试试分配IP后,保证IP不会被别人抢了,通过不停的发ARP broadcast。
>
> arping -I enp0s25 -U -b 166.111.144.152
>
> 166.111.144.152 should be IP that the dhcp server gave you.
>
> 2016-04-19 16:11 GMT+08:00 Wang Shanker <[email protected]>:
>> 这么搞也可以防止  arp 攻击。
>>
>>
>> > 在 2016年4月19日,16:10,Justin Wong <[email protected]> 写道:
>>  >
>>  > 打开DHCP snooping可以禁止手动设置IP,ARP攻击怎么防我还真不知道
>>  >
>>  > --
>>  > Justin Wong
>>  >
>>  > On Tue, Apr 19, 2016, at 16:09, 杨海宇 wrote:
>>  >> 在 2016年4月19日星期二 UTC+8下午4:03:26,Justin Wong写道:
>>  >>> 难道说因为 IP 不够分引起了一些人不爽所以发起 ARP 攻击抢 IP?
>>  >>>
>>  >>> --
>>  >>> Justin Wong
>>  >>>
>>  >>> On Tue, Apr 19, 2016, at 16:01, Wang Shanker wrote:
>>  >>>> 不会,如果 ip 分光了, dhcp 服务器会拒绝继续分配 ip 地址,不会出现时断时续的问题。
>>  >>>>
>>  >>>> 发自我的 iPhone
>>  >>>>
>>  >>>>> 在 2016年4月19日,15:59,杨海宇 <[email protected]> 写道:
>>  >>>>>
>>  >>>>> 有同学觉得是ip地址不够分配了,毕竟我们整个系只有/24一个段。可是如果是ip不够用会是这个现象吗?
>>  >>>>>
>>  >>>>>
>>  >>>>> 在 2016年4月19日星期二 UTC+8下午2:06:19,杨海宇写道:
>>  >>>>>> 各位巨巨好,
>>  >>>>>> 我是热能系的硕士,潜水N年。现在李兆基大楼网络有很多问题,到网关和同网段ip丢包严重,平均60%。经常性出现ip冲突。因-
>>  >>>>>> 为负责网络的人非常不靠谱,只好找金枪鱼求助,恳请有时间的巨巨来指导一下。
>>  >>>>>> 李兆基大楼现在是机械学院很多系的系馆,包括热能系汽车系训练中心。目前环境是光纤到实验室,实验室自己配置交换机。不同系在不-
>>  >>>>>> 同vlan下面,热能系ip段101.6.62.1/24,汽车系166.111.144.1/24(不确定)。行政上,网络由-
>>  >>>>>> 华三提供的解决方案,出问题应该由大楼物业负责,然而物业的网管师傅水平很渣,只会检查网线和光纤通不通。华三的人也来过,但没-
>>  >>>>>> 有查出什么问题。现在的问题是到网关和同网段ip丢包严重(mtr结果在后面),热能系、汽车系不同实验室都存在相同的问题,应-
>>  >>>>>> 该能排除自己交换机的问题。不知道如果是可供使用的ip不够,是否会出现这个问题?
>>  >>>>>> 实验室老板让我看看怎么搞,我说另请高明吧,我实在也不是谦虚。老板说系里决定了,由你负责解决。我当时并没有念诗,所以只好求-
>>  >>>>>> 助网管会的各位巨巨。需要巨巨们到现场看一下环境,排查一下问题。如果需要的话,我会和老板争取一下报酬,通过勤工助学的方式给-
>>  >>>>>> 巨巨一些补贴。
>>  >>>>>> 如果哪位巨巨有时间有兴趣,请联系我:15210582389,微信:yang_hai_yu,email:
>>  >>>>>> [email protected] / [email protected]
>>  >>>>>>
>>  >>>>>>
>>  >>>>>> 一些结果:
>>  >>>>>
>>  >>>>> --
>>  >>>>>
>>  >>>>> ---
>>  >>>>> You received this message because you are subscribed to the
>>  >>>>> Google Groups "TUNA 主邮件列表" group.
>>  >>>>> To unsubscribe from this group and stop receiving emails from
>>  >>>>> it, send an email to tuna-
>>  >>>>> [email protected][1].
>>  >>>>> To post to this group, send email to tuna-
>>  >>>>> [email protected].
>>  >>>>> For more options, visit https://groups.google.com/d/optout.
>>  >>>>
>>  >>>> --
>>  >>>>
>>  >>>> ---
>>  >>>> You received this message because you are subscribed to the
>>  >>>> Google Groups
>>  >>>> "TUNA 主邮件列表" group.
>>  >>>> To unsubscribe from this group and stop receiving emails from
>>  >>>> it, send an
>>  >>>> email to [email protected][2].
>>  >>>> To post to this group, send email to tuna-
>>  >>>> [email protected].
>>  >>>> For more options, visit https://groups.google.com/d/optout.
>>  >>>> Email had 1 attachment:
>>  >>>> + smime.p7s
>>  >>>>3k (application/pkcs7-signature)
>>  >>
>>  >> 我明天去检查一下arp。
>>  >> 另外,只打开dhcp snooping可以防止arp攻击吗,可以禁止手动设置ip吗?
>>  >>
>>  >> --
>>  >>
>>  >> ---
>>  >> You received this message because you are subscribed to the
>>  >> Google Groups
>>  >> "TUNA 主邮件列表" group.
>>  >> To unsubscribe from this group and stop receiving emails from it,
>>  >> send an
>>  >> email to [email protected][3].
>>  >> To post to this group, send email to tuna-
>>  >> [email protected].
>>  >> For more options, visit https://groups.google.com/d/optout.
>>  >
>>  > --
>>  >
>>  > ---
>>  > You received this message because you are subscribed to the Google
>>  > Groups "TUNA 主邮件列表" group.
>>  > To unsubscribe from this group and stop receiving emails from it,
>>  > send an email to [email protected][4].
>>  > To post to this group, send email to tuna-
>>  > [email protected].
>>  > For more options, visit https://groups.google.com/d/optout.
>>
>>  --
>>
>>  ---
>>  You received this message because you are subscribed to the Google
>>  Groups "TUNA 主邮件列表" group.
>>  To unsubscribe from this group and stop receiving emails from it,
>>  send an email to [email protected][5].
>>  To post to this group, send email to [email protected].
>>  For more options, visit https://groups.google.com/d/optout.
>
>
> --
>
>  ---
>  You received this message because you are subscribed to the Google
>  Groups "TUNA 主邮件列表" group.
>  To unsubscribe from this group and stop receiving emails from it,
>  send an email to [email protected].
>  To post to this group, send email to [email protected].
>  For more options, visit https://groups.google.com/d/optout.
 

Links:

  1. mailto:tuna-general%[email protected]
  2. mailto:tuna-general%[email protected]
  3. mailto:tuna-general%[email protected]
  4. mailto:tuna-general%[email protected]
  5. mailto:tuna-general%[email protected]

-- 

--- 
You received this message because you are subscribed to the Google Groups "TUNA 
主邮件列表" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
For more options, visit https://groups.google.com/d/optout.

回复