[36874] in North American Network Operators' Group

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Re: Information from an FTP violation this weekend.

daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Mon Apr 23 12:22:18 2001

Date: Mon, 23 Apr 2001 17:19:24 +0100 (BST)
From: "Stephen J. Wilcox" <steve@opaltelecom.co.uk>
To: "Smith, Rick" <rsmith@atsworld.com>
Cc: "'nanog@merit.edu'" <nanog@merit.edu>
In-Reply-To: <88786160BFD1D211B10800A0C9EC744EAB7CA0@CORP>
Message-ID: <Pine.LNX.4.21.0104231718040.7509-100000@staff.opaltelecom.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu


And I thought the Internet was such a friendly, welcoming
environment.. maybe I should remove all my telnet guest logins from my
servers and remove my credit card number from my homepage..

Steve



On Mon, 23 Apr 2001, Smith, Rick wrote:

> 
> 
> Nanog; fyi.
> 
> APNIC / Excite / Home.net -
> 
> We have an ftp site running on 209.123.52.40 that is made writable at
> certain periods of time for anonymous users.  Some of our customer's systems
> are programmed to send in bug reports, problem programs, etc at these times.
> One of these periods of time was this past Friday (4/20/01) from 6pm EST to
> Saturday afternoon at Noon.  In that time period, a couple of hundred megs
> of movies / warez / crap was dropped onto the ftp site, and then the people
> that were (I presume) loading up the site got cut off.
> 
> Not only did the violator from 203.164.51.0/24 store illegal information on
> our ftp site, they also deleted everything that existed.  Not anyone's fault
> there but our own, and no problem since there were backups, but just fyi
> that this stuff is happening out there from the reported networks.
> 
> Here's some information I collected from a .htaccess file in one of the
> directories that these <insert explative here> left.
> 
> <Limit GET> 
> order allow,deny 
> deny from 141.201.222.
> deny from 24.141.20.
> deny from 24.141.36.
> deny from 65.1.50.
> .
> .  Bunch of Denies
> .
> allow from  203.164.51.
> deny from 203.164.3.
> deny from 62.30.0.
> .
> .  Bunch of Denies
> .
> allow from all 
> </Limit> 
> 
> 
> 
> I run Portsentry on my FreeBSD firewall, which caught and denied this:
> 987814775 - 04/20/2001 20:59:35 Host: www.uov.net/209.37.153.6 Port: 515 TCP
> Blocked
> 
> 
> The swip info for the one allow statement in that htaccess file:
> 
> [root]# whois -h whois.arin.net 203.164.51.0
> 
> Asia Pacific Network Information Center (APNIC2)
>    These addresses have been further assigned to Asia-Pacific users.
>    Contact info can be found in the APNIC database,
>    at WHOIS.APNIC.NET or http://www.apnic.net/
>    Please do not send spam complaints to APNIC.
>    AU
> 
>    Netname: APNIC-CIDR-BLK
>    Netblock: 202.0.0.0 - 203.255.255.255
>    Maintainer: AP
> 
> 
> Gee - go figure - a cable modem ween
> 
> [root]# whois -h whois.apnic.net 203.164.51.0
> 
> % Rights restricted by copyright. See
> http://www.apnic.net/db/dbcopyright.html
> 
> inetnum:     203.164.48.0 - 203.164.51.255
> netname:     ATHOME-AU-RIVRW-1
> descr:       Infrastructure
> country:     AU
> admin-c:     HH85-AP
> tech-c:      AI13-AP
> mnt-by:      MAINT-AU-ATHOME
> changed:     ipmgmt@excitehome.net 20000911
> source:      APNIC
> 
> person:      Hostmaster Home Network Australia
> address:     100 Harris Street
> address:     Pyrmont
> address:     NSW 2009
> phone:       +61 2 9005 1000
> fax-no:      +61 2 9005 1076
> country:     AU
> e-mail:      hostmaster@homenetwork.com.au
> nic-hdl:     HH85-AP
> mnt-by:      MAINT-AU-ATHOME
> changed:     judithh@corp.home.net 20000830
> source:      APNIC
> 
> person:      ATHome-AU IP Mgmt
> address:     450 Broadway Street
> address:     Redwood City, CA 94063
> address:     US
> phone:       +1-800-872-3595
> country:     AU
> e-mail:      ipmgmt@excitehome.neet
> nic-hdl:     AI13-AP
> mnt-by:      MAINT-AU-ATHOME
> changed:     judithh@corp.home.net 20000830
> source:      APNIC
> 
> 
> 
> Thanks,
> Rick Smith
> Director of Technical Services 
> Applied Tactical Systems 
> (A division of Vertex Interactive, Inc.) 
> <http://www.atsworld.com> --- <http://www.vertexinteractive.com> 
> (973) 808 - 1750 x382 
> 
> 
> 

-- 
Stephen J. Wilcox
IP Services Manager, Opal Telecom
http://www.opaltelecom.co.uk/
Tel: 0161 222 2000
Fax: 0161 222 2008



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