Argus-info Digest, Vol 42, Issue 1
Mark Bartlett
mabartle at gmail.com
Thu Feb 5 13:27:25 EST 2009
Hey Carter..
I'll def. be a user of the mysql support... I'm currently doing it
with the mysqlimport command after I generate a flat file with your ra
tool....
Mysql Functionality would be AWESOME!
mark
On Thu, Feb 5, 2009 at 11:03 AM, CS Lee <geek00l at gmail.com> wrote:
> hi Carter,
>
> I grab your control plane presentation from here -
>
> https://tools.netsa.cert.org/wiki/display/tt/FloCon+2009
>
> I'm definitely a user, can't guarantee to be customer unless my boss says
> yes ;]
>
> The mysql support is definitely a long wait ;]
>
> On Thu, Feb 5, 2009 at 11:51 PM, Carter Bullard <carter at qosient.com> wrote:
>>
>> Thanks, I don't think I gave them slides notes, .... didn't know if it
>> was intelligible without some form of narrative.
>> So I have a bunch of mysql database support for argus almost ready
>> for public consumption, would you be a potential customer/user?
>> I use it primarily to hold real-time "ratop" like state so multiple
>> people/programs can work off of the data at the same time, but
>> some people have had good luck using it to hold flow data and
>> to keep track of say all the IP addresses they've seen since the
>> beginning, in real-time.
>> Carter
>>
>> On Feb 4, 2009, at 9:11 PM, CS Lee wrote:
>>
>> hi Carter,
>>
>> Thanks. Things are all good, btw, I read your presentation in Flocon2009,
>> that's really cool stuff.
>>
>> On Thu, Feb 5, 2009 at 3:21 AM, Carter Bullard <carter at qosient.com> wrote:
>>>
>>> Hmmmm,
>>> I have them in the development directory, here. Let me see what's up.
>>> If we can fix the ongoing v2 -> v3 conversion problem soon, I'll release
>>> another round of client programs, and it will definitely have them in
>>> there.
>>> How are things?
>>> Carter
>>> On Feb 4, 2009, at 1:22 PM, CS Lee wrote:
>>>
>>> hi carter,
>>>
>>> i can't find both rauserdata() and raservice() in argus 3.0 distribution
>>> which I downloaded from
>>>
>>> ftp://qosient.com/dev/argus-3.0/
>>>
>>> Thanks!
>>>
>>>
>>> On Tue, Feb 3, 2009 at 11:46 PM,
>>> <argus-info-request at lists.andrew.cmu.edu> wrote:
>>>>
>>>> Send Argus-info mailing list submissions to
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>>>>
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>>>>
>>>>
>>>> Today's Topics:
>>>>
>>>> 1. ArgusGenerateRecord: packet size type not defined
>>>> (Michael Grinnell)
>>>> 2. argus usage (Oguz Yarimtepe)
>>>> 3. Re: argus usage (Stewart Gray)
>>>> 4. Re: ArgusGenerateRecord: packet size type not defined
>>>> (Peter Van Epp)
>>>> 5. Re: argus usage (Peter Van Epp)
>>>> 6. Re: argus usage (Oguz Yarimtepe)
>>>> 7. Re: ArgusGenerateRecord: packet size type not defined
>>>> (Carter Bullard)
>>>> 8. argus user data buffer analysis (Carter Bullard)
>>>>
>>>>
>>>> ----------------------------------------------------------------------
>>>>
>>>> Message: 1
>>>> Date: Mon, 02 Feb 2009 13:39:44 -0500
>>>> From: Michael Grinnell <grinnell at american.edu>
>>>> Subject: [ARGUS] ArgusGenerateRecord: packet size type not defined
>>>> To: argus-info <argus-info at lists.andrew.cmu.edu>
>>>> Message-ID: <49873DF0.6090305 at american.edu>
>>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>>
>>>> Hi,
>>>>
>>>> Periodically Argus dies on my test system with the error
>>>> "ArgusGenerateRecord: packet size type not defined." The time between
>>>> these errors varies, sometimes it's only a minute or two after argus
>>>> starts, other times it can be > 15 minutes. I've tried running a
>>>> simultaneous tcpdump, then running the resulting capture file through
>>>> argus, but I can't replicate the error. I also don't see any glaring
>>>> errors in the capture file around the time it dies. This happens with
>>>> argus 3.0.0 and with argus 3.0.1 beta2. The system is running CentOS
>>>> 5.2 and is listening on a dedicated interface (NC7782, bnx2 driver) to a
>>>> span port off of a Cisco switch. I have also updated to the newest bnx2
>>>> drivers, but it still recurs. I'm trying to scare up another NIC to try
>>>> as well.
>>>>
>>>> Thoughts?
>>>>
>>>> --
>>>> Michael Grinnell
>>>> Information Security Engineer
>>>> The American University
>>>>
>>>>
>>>> ------------------------------
>>>>
>>>> Message: 2
>>>> Date: Mon, 02 Feb 2009 22:50:20 +0200
>>>> From: Oguz Yarimtepe <comp.ogz at gmail.com>
>>>> Subject: [ARGUS] argus usage
>>>> To: argus-info at lists.andrew.cmu.edu
>>>> Message-ID: <1233607820.7050.12.camel at gezenti>
>>>> Content-Type: text/plain
>>>>
>>>> Hi,
>>>>
>>>> I want some information about argus capabilities. I tried argus a bit
>>>> and read the wiki. I want to learn whether it is possible to get
>>>> application level information from a flow record by using argus, like
>>>> HTTP, HTTPS, IMAP, POP, SMTP, FTP ...
>>>> As i understood from its usage it is possible to get these information
>>>> indirectly by analyzing the argus output but maybe there is a way that
>>>> argus serves that i don't know.
>>>>
>>>> Thanx.
>>>>
>>>>
>>>>
>>>> ------------------------------
>>>>
>>>> Message: 3
>>>> Date: Tue, 3 Feb 2009 10:26:06 +1300
>>>> From: "Stewart Gray" <Stewart.Gray at safecom.co.nz>
>>>> Subject: Re: [ARGUS] argus usage
>>>> To: <argus-info at lists.andrew.cmu.edu>
>>>> Message-ID:
>>>>
>>>> <4C08B31BFF3B5D42BCAC255ADDD6EE5EA8769D at tasbe116.advancedsolutions.co.nz>
>>>>
>>>> Content-Type: text/plain; charset="us-ascii"
>>>>
>>>> Hi Oguz,
>>>>
>>>> Argus supports the Berkeley packet filter (as other apps like tcpdump
>>>> and ngrep do) so you're able to lock queries down to port numbers,
>>>> specific hosts etc. Knowing the port number an application runs on means
>>>> it fairly easy to pull out transactions for a particular protocol. Keep
>>>> in mind it doesn't operate at layer 7, flow information for a protocol
>>>> such as HTTP will be very similar to SMTP. If you're after more in-depth
>>>> analysis of a transaction, i.e. what happened during an http connection
>>>> (GET, POST, HEAD etc) you're probably best to be taking full packet
>>>> captures alongside argus so you can run them through another tool such
>>>> as wireshark.
>>>>
>>>> Have a look at this wiki page for some common usages -
>>>> http://nsmwiki.org/index.php?title=Argus.
>>>>
>>>> Cheers,
>>>>
>>>> Stewart
>>>>
>>>> -----Original Message-----
>>>> From: argus-info-bounces+stewart.gray=safecom.co.nz at lists.andrew.cmu.edu
>>>> [mailto:argus-info-bounces+stewart.gray=safecom.co.nz at lists.andrew.cmu.e
>>>> du] On Behalf Of Oguz Yarimtepe
>>>> Sent: Tuesday, 3 February 2009 9:50 a.m.
>>>> To: argus-info at lists.andrew.cmu.edu
>>>> Subject: [ARGUS] argus usage
>>>>
>>>> Hi,
>>>>
>>>> I want some information about argus capabilities. I tried argus a bit
>>>> and read the wiki. I want to learn whether it is possible to get
>>>> application level information from a flow record by using argus, like
>>>> HTTP, HTTPS, IMAP, POP, SMTP, FTP ...
>>>> As i understood from its usage it is possible to get these information
>>>> indirectly by analyzing the argus output but maybe there is a way that
>>>> argus serves that i don't know.
>>>>
>>>> Thanx.
>>>>
>>>>
>>>> #####################################################################################
>>>> Important: This electronic message and attachments (if any) are
>>>> confidential
>>>> and may be legally privileged. If you are not the intended recipient do
>>>> not
>>>> copy, disclose or use the contents in any way. Please let us know by
>>>> return
>>>> e-mail immediately and then destroy this message.
>>>>
>>>> #####################################################################################
>>>>
>>>>
>>>> ------------------------------
>>>>
>>>> Message: 4
>>>> Date: Mon, 2 Feb 2009 20:51:05 -0800
>>>> From: Peter Van Epp <vanepp at sfu.ca>
>>>> Subject: Re: [ARGUS] ArgusGenerateRecord: packet size type not defined
>>>> To: argus-info at lists.andrew.cmu.edu
>>>> Message-ID: <20090203045105.GA26496 at sfu.ca>
>>>> Content-Type: text/plain; charset=us-ascii
>>>>
>>>> On Mon, Feb 02, 2009 at 01:39:44PM -0500, Michael Grinnell wrote:
>>>> > Hi,
>>>> >
>>>> > Periodically Argus dies on my test system with the error
>>>> > "ArgusGenerateRecord: packet size type not defined." The time between
>>>> > these errors varies, sometimes it's only a minute or two after argus
>>>> > starts, other times it can be > 15 minutes. I've tried running a
>>>> > simultaneous tcpdump, then running the resulting capture file through
>>>> > argus, but I can't replicate the error. I also don't see any glaring
>>>> > errors in the capture file around the time it dies. This happens with
>>>> > argus 3.0.0 and with argus 3.0.1 beta2. The system is running CentOS
>>>> > 5.2 and is listening on a dedicated interface (NC7782, bnx2 driver) to
>>>> > a
>>>> > span port off of a Cisco switch. I have also updated to the newest
>>>> > bnx2
>>>> > drivers, but it still recurs. I'm trying to scare up another NIC to
>>>> > try
>>>> > as well.
>>>> >
>>>> > Thoughts?
>>>> >
>>>> > --
>>>> > Michael Grinnell
>>>> > Information Security Engineer
>>>> > The American University
>>>>
>>>> Setting
>>>>
>>>> ARGUS_PACKET_CAPTURE_FILE="/var/log/argus/packet.out"
>>>>
>>>> in an argus.rc file will capture the input packets from pcap in to the
>>>> specified file. If you can get lucky and get a failure before you run
>>>> out of
>>>> disk space one of the last packets in the file should tell us what argus
>>>> isn't
>>>> liking. On a busy link this file will get large fast but if it
>>>> sometimes
>>>> fails quickly you may be lucky (you are also likely to see packet loss
>>>> due to
>>>> the disk I/O on the sensor but hopefully the fault will still occur).
>>>> It looks like the argus record is malformed (it is complaining
>>>> that it
>>>> doesn't recognize the type in argus/ArgusModeler.c at line 2904 in the
>>>> argus-3.0.1.beta.2 code). A dump of the offending packet should tell
>>>> Carter
>>>> why (or if the incoming packet is corrupted which is also possible).
>>>>
>>>> Peter Van Epp
>>>>
>>>>
>>>> ------------------------------
>>>>
>>>> Message: 5
>>>> Date: Mon, 2 Feb 2009 21:06:59 -0800
>>>> From: Peter Van Epp <vanepp at sfu.ca>
>>>> Subject: Re: [ARGUS] argus usage
>>>> To: argus-info at lists.andrew.cmu.edu
>>>> Message-ID: <20090203050659.GA8930 at sfu.ca>
>>>> Content-Type: text/plain; charset=us-ascii
>>>>
>>>> On Mon, Feb 02, 2009 at 10:50:20PM +0200, Oguz Yarimtepe wrote:
>>>> > Hi,
>>>> >
>>>> > I want some information about argus capabilities. I tried argus a bit
>>>> > and read the wiki. I want to learn whether it is possible to get
>>>> > application level information from a flow record by using argus, like
>>>> > HTTP, HTTPS, IMAP, POP, SMTP, FTP ...
>>>> > As i understood from its usage it is possible to get these information
>>>> > indirectly by analyzing the argus output but maybe there is a way that
>>>> > argus serves that i don't know.
>>>> >
>>>> > Thanx.
>>>> >
>>>>
>>>> Depends on what you need. If you enable user data capture (the -U
>>>> option on the argus) it will capture up to the first 512 bytes of the
>>>> user
>>>> data of the flow. That may or may not give you enough information about
>>>> the
>>>> flow to do what you want. Note that on a fast link best results are
>>>> going to
>>>> occur using a DAG card as the data capture adds a fairly heavy load to
>>>> the
>>>> server. To display the data with ra (for instance) you need to use the
>>>> -s
>>>> command to add suser and duser to the output (as in
>>>>
>>>> ra -r argus_file -n -s +suser:512 -s +duser:512
>>>>
>>>> which will tack the user data on the end of the line. This of course
>>>> raises a
>>>> number of sticky privacy issues that you need to have considered and
>>>> gotten
>>>> approved by appropriate management of the link you are tapping (which
>>>> may or
>>>> may not be you :-)).
>>>>
>>>> Peter Van Epp
>>>>
>>>>
>>>> ------------------------------
>>>>
>>>> Message: 6
>>>> Date: Tue, 3 Feb 2009 07:59:33 +0200
>>>> From: Oguz Yarimtepe <comp.ogz at gmail.com>
>>>> Subject: Re: [ARGUS] argus usage
>>>> To: argus-info at lists.andrew.cmu.edu
>>>> Message-ID:
>>>> <20831c740902022159q176610e5nb954f5d96e211d13 at mail.gmail.com>
>>>> Content-Type: text/plain; charset="iso-8859-9"
>>>>
>>>> >
>>>> > Depends on what you need. If you enable user data capture (the
>>>> > -U
>>>> > option on the argus) it will capture up to the first 512 bytes of the
>>>> > user
>>>> > data of the flow. That may or may not give you enough information
>>>> > about the
>>>> > flow to do what you want. Note that on a fast link best results are
>>>> > going
>>>> > to
>>>> > occur using a DAG card as the data capture adds a fairly heavy load to
>>>> > the
>>>> > server. To display the data with ra (for instance) you need to use the
>>>> > -s
>>>> > command to add suser and duser to the output (as in
>>>> >
>>>> > ra -r argus_file -n -s +suser:512 -s +duser:512
>>>> >
>>>> > which will tack the user data on the end of the line. This of course
>>>> > raises
>>>> > a
>>>> > number of sticky privacy issues that you need to have considered and
>>>> > gotten
>>>> > approved by appropriate management of the link you are tapping (which
>>>> > may
>>>> > or
>>>> > may not be you :-)).
>>>> >
>>>> > Peter Van Epp
>>>>
>>>>
>>>> What i am willing to do is to characterize the network traffic by using
>>>> some characteristics derived from flow information. My final decision
>>>> about
>>>> a flow record will be whether the flow belongs to a chat session, a mail
>>>> transfer, a FTP connection, a web browsing, ...
>>>>
>>>> I had discovered Bro which has identifiers related with high level
>>>> protocols. The protocol family that it supports is not as much as Argus
>>>> does
>>>> so i was planning to go on with Argus.
>>>>
>>>>
>>>> --
>>>> O?uz Yar?mtepe
>>>> www.loopbacking.info
>>>> -------------- next part --------------
>>>> An HTML attachment was scrubbed...
>>>> URL:
>>>> https://lists.andrew.cmu.edu/mailman/private/argus-info/attachments/20090203/2e9c8a9c/attachment-0001.html
>>>>
>>>> ------------------------------
>>>>
>>>> Message: 7
>>>> Date: Tue, 3 Feb 2009 10:07:03 -0500
>>>> From: Carter Bullard <carter at qosient.com>
>>>> Subject: Re: [ARGUS] ArgusGenerateRecord: packet size type not defined
>>>> To: Michael Grinnell <grinnell at american.edu>
>>>> Cc: argus-info <argus-info at lists.andrew.cmu.edu>
>>>> Message-ID: <D2F59B8C-3239-475E-AE5C-4DCE7C819151 at qosient.com>
>>>> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>>>>
>>>> Hey Michael,
>>>> Wow, pretty obvious bug in the flow's packet size reporting feature.
>>>> Try this patch, and we'll see if it doesn't work for you.
>>>>
>>>> Carter
>>>>
>>>> ==== //depot/argus/argus/argus/ArgusModeler.c#62 - /home/carter/argus/
>>>> argus/argus/ArgusModeler.c ====
>>>> 2872c2872
>>>> < if (psize->src.psizemax > 0)
>>>> ---
>>>> > if (psize->dst.psizemax > 0)
>>>>
>>>>
>>>> On Feb 2, 2009, at 1:39 PM, Michael Grinnell wrote:
>>>>
>>>> > Hi,
>>>> >
>>>> > Periodically Argus dies on my test system with the error
>>>> > "ArgusGenerateRecord: packet size type not defined." The time
>>>> > between these errors varies, sometimes it's only a minute or two
>>>> > after argus starts, other times it can be > 15 minutes. I've tried
>>>> > running a simultaneous tcpdump, then running the resulting capture
>>>> > file through argus, but I can't replicate the error. I also don't
>>>> > see any glaring errors in the capture file around the time it dies.
>>>> > This happens with argus 3.0.0 and with argus 3.0.1 beta2. The
>>>> > system is running CentOS 5.2 and is listening on a dedicated
>>>> > interface (NC7782, bnx2 driver) to a span port off of a Cisco
>>>> > switch. I have also updated to the newest bnx2 drivers, but it
>>>> > still recurs. I'm trying to scare up another NIC to try as well.
>>>> >
>>>> > Thoughts?
>>>> >
>>>> > --
>>>> > Michael Grinnell
>>>> > Information Security Engineer
>>>> > The American University
>>>> >
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> ------------------------------
>>>>
>>>> Message: 8
>>>> Date: Tue, 3 Feb 2009 10:46:45 -0500
>>>> From: Carter Bullard <carter at qosient.com>
>>>> Subject: [ARGUS] argus user data buffer analysis
>>>> To: Oguz Yarimtepe <comp.ogz at gmail.com>
>>>> Cc: argus-info at lists.andrew.cmu.edu
>>>> Message-ID: <8FDB29B8-7B9A-401B-8466-B38557690D00 at qosient.com>
>>>> Content-Type: text/plain; charset="utf-8"
>>>>
>>>> Hey Oguz,
>>>> We have undocumented programs in the argus-3.0.0 distribution
>>>> that do something similar to what you are interested in, I think.
>>>> These are undocumented because its a bit complex, and I haven't
>>>> had a chance to describe them yet.
>>>>
>>>> If you are interested in helping to make these types of programs
>>>> useful, I'll be more than happy to describe how they work, and
>>>> share my experiences and help to make them better.
>>>>
>>>> The undocumented program rauserdata() will analyze the user
>>>> data portion of argus records, and generate a signature pattern
>>>> configuration for the protocols it encounters in the data set.
>>>> The algorithm is very simple, and pretty powerful, in that it makes
>>>> no assumptions about the user data. But, you have to be careful
>>>> with the data that you give the engine. Below is a little background.
>>>>
>>>> I have found that for the set of protocols you listed, the
>>>> first 32 bytes of data is all that is needed to reliably identify the
>>>> protocol type. This is because, each of your protocols have
>>>> unique greeting identifiers, and for the ones you listed, the
>>>> identifiers are all in ascii.
>>>>
>>>> Because argus provides multiple status reports for long lived
>>>> flows, not all argus records for a given flow will contain the
>>>> "first N byte" signatures that you are seeking.
>>>>
>>>> Using racluster() on your 'primitive' argus data will usually provide
>>>> you with the "first N bytes" of user data, so that your search for
>>>> tokens and patterns can be reliable.
>>>>
>>>> Try this out for a while to see if you get anything useful:
>>>>
>>>> racluster -r /a/days/worth/of/data/of/interest/* -w /tmp/day.cache
>>>>
>>>> rauserdata -r /tmp/day.cache | less
>>>>
>>>> You should get an output that is arraigned by 'protocol/port' and
>>>> you should see a set of source and destination user data buffers
>>>> that have the "greatest likelyhood" patterns for that "proto/port" pair.
>>>>
>>>> ra() prints the user data buffer with an ASCII encoding by default, and
>>>> so you should see some patterns in the buffers it outputs.
>>>> if you see a '.', that is generally a non printable character.
>>>>
>>>> The ides is to build up configuration files of signatures using
>>>> rauserdata(),
>>>> and the program raservices(), will take the rauserdata() output as
>>>> a configuration file, and label flows with the tags that identify the
>>>> protocol.
>>>>
>>>> Give it a try, and I'd love to see/hear your comments.
>>>>
>>>> Carter
>>>>
>>>> On Feb 3, 2009, at 12:59 AM, Oguz Yarimtepe wrote:
>>>>
>>>> >
>>>> >
>>>> > Depends on what you need. If you enable user data capture
>>>> > (the -U
>>>> > option on the argus) it will capture up to the first 512 bytes of
>>>> > the user
>>>> > data of the flow. That may or may not give you enough information
>>>> > about the
>>>> > flow to do what you want. Note that on a fast link best results are
>>>> > going to
>>>> > occur using a DAG card as the data capture adds a fairly heavy load
>>>> > to the
>>>> > server. To display the data with ra (for instance) you need to use
>>>> > the -s
>>>> > command to add suser and duser to the output (as in
>>>> >
>>>> > ra -r argus_file -n -s +suser:512 -s +duser:512
>>>> >
>>>> > which will tack the user data on the end of the line. This of course
>>>> > raises a
>>>> > number of sticky privacy issues that you need to have considered and
>>>> > gotten
>>>> > approved by appropriate management of the link you are tapping
>>>> > (which may or
>>>> > may not be you :-)).
>>>> >
>>>> > Peter Van Epp
>>>> >
>>>> > What i am willing to do is to characterize the network traffic by
>>>> > using some characteristics derived from flow information. My final
>>>> > decision about a flow record will be whether the flow belongs to a
>>>> > chat session, a mail transfer, a FTP connection, a web browsing, ...
>>>> >
>>>> > I had discovered Bro which has identifiers related with high level
>>>> > protocols. The protocol family that it supports is not as much as
>>>> > Argus does so i was planning to go on with Argus.
>>>> >
>>>> >
>>>> > --
>>>> > O?uz Yar?mtepe
>>>> > www.loopbacking.info
>>>>
>>>> Carter Bullard
>>>> CEO/President
>>>> QoSient, LLC
>>>> 150 E 57th Street Suite 12D
>>>> New York, New York 10022
>>>>
>>>> +1 212 588-9133 Phone
>>>> +1 212 588-9134 Fax
>>>>
>>>>
>>>>
>>>> -------------- next part --------------
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>>>> https://lists.andrew.cmu.edu/mailman/private/argus-info/attachments/20090203/3f7a6300/attachment.html
>>>>
>>>> ------------------------------
>>>>
>>>> _______________________________________________
>>>> Argus-info mailing list
>>>> Argus-info at lists.andrew.cmu.edu
>>>> https://lists.andrew.cmu.edu/mailman/listinfo/argus-info
>>>>
>>>>
>>>> End of Argus-info Digest, Vol 42, Issue 1
>>>> *****************************************
>>>
>>>
>>>
>>> --
>>> Best Regards,
>>>
>>> CS Lee<geek00L[at]gmail.com>
>>>
>>> http://geek00l.blogspot.com
>>> http://defcraft.net
>>>
>>> Carter Bullard
>>> CEO/President
>>> QoSient, LLC
>>> 150 E 57th Street Suite 12D
>>> New York, New York 10022
>>> +1 212 588-9133 Phone
>>> +1 212 588-9134 Fax
>>>
>>>
>>
>>
>>
>> --
>> Best Regards,
>>
>> CS Lee<geek00L[at]gmail.com>
>>
>> http://geek00l.blogspot.com
>> http://defcraft.net
>>
>> Carter Bullard
>> CEO/President
>> QoSient, LLC
>> 150 E 57th Street Suite 12D
>> New York, New York 10022
>> +1 212 588-9133 Phone
>> +1 212 588-9134 Fax
>>
>>
>
>
>
> --
> Best Regards,
>
> CS Lee<geek00L[at]gmail.com>
>
> http://geek00l.blogspot.com
> http://defcraft.net
>
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