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smurf attack

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Name: computeralien
Date: July 17, 2005 at 06:03:45 Pacific
OS: xp pro 64 bit
CPU/Ram: P4 3.8ghz / 2gb ram
Comment:

Hey guys. Just been hit by a smurf attack from ip 61.152.158.105 does anyone know who this is and how i can prevent this DoS from happening.



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Response Number 1
Name: Dog
Date: July 17, 2005 at 06:51:50 Pacific
Reply:

inetnum: 61.152.156.0 - 61.152.159.255
netname: SHANGHAI-GLOBAL-NET
descr: Shanghai Global Network Co., Ltd.
country: CN
admin-c: JY81-AP
tech-c: JY81-AP
mnt-by: MAINT-CHINANET-SH
status: ASSIGNED NON-PORTABLE
changed: ip-admin@mail.online.sh.cn 20020819
changed: hm-changed@apnic.net 20040927
source: APNIC

person: Ji Yi
address: 3F,333 North Jiangxi Road,Shanghai,200085,PRC
country: CN
phone: +86-21-33010742
fax-no: +86-21-63073019
e-mail: jiyi@81890.net
nic-hdl: JY81-AP
mnt-by: MAINT-CHINANET-SH
changed: sptwxl@online.sh.cn 20000920
source: APNIC


try the email address mentioned above
it appears vto be iplanet


D4Dog
"beauty is in the eye of the beer-holder"


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Response Number 2
Name: computeralien
Date: July 17, 2005 at 07:59:52 Pacific
Reply:

I have already sent them e-mails but do not get any response from them. This was 4 days ago, but thanks for that info.


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Response Number 3
Name: nesoxochi1
Date: July 17, 2005 at 08:01:10 Pacific
Reply:

Network Security Guide for Everybody
http://www.nsa.gov/snac/support/sixty_minutes.pdf


Nesoxochi


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Response Number 4
Name: Jennifer SUMN
Date: July 18, 2005 at 18:50:36 Pacific
Reply:

Two things you can do to prevent this:

Disable IP directed broadcast, and configure your machine to not reply to ICMP packets.

Soylent Green is PEOPLE!!!


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Response Number 5
Name: suspect52732
Date: July 19, 2005 at 11:36:30 Pacific
Reply:

Here is a link that will give you all the information you will ever need to know about smurf and fraggle DoS attacks. I found it an informative reference:


http://www.pentics.net/denial-of-service/white-papers/smurf.cgi


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