[Snort-users] RE: Snort-users digest, Vol 1 #1531 - 12 msgs

Jessup, Justin Justin.Jessup at ...194...
Wed Jan 30 14:28:04 EST 2002


hey to all almost forgot to mention
if you are creating the databases for snort in mysql you need to do this
get the tar.gz version of snort
unzip and untar it
cd to the snort dir
then type
mysql -u "your user name" -p"password" -h 192.168.0.99 snort < ./contrib/create_mysql
THIS WILL EXECUTE a sql script in the tared up version of snort
that will create the tables and fields in your snort database on your mysql server
example
mysql -u root -phappyone -h 192.168.0.99 snort < ./contrib/create_mysql
any questions email me via this usenet
good luck
check out
ACID
and 
snortreport

justin
:-)

-----Original Message-----
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Sent: Tuesday, January 29, 2002 3:59 PM
To: snort-users at lists.sourceforge.net
Subject: Snort-users digest, Vol 1 #1531 - 12 msgs
Importance: Low


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Today's Topics:

   1. RE: detection and preprocessor plugins (Steve Halligan)
   2. Running Snort Daemon Problem (Bill)
   3. Re: FW: ISS Alert: Remote Denial of Service Vulnera
       bility in Snort ID S (Chris Green)
   4. Re: Help getting Snort working with mysql (Roman Danyliw)
   5. =?iso-8859-1?Q?CPU_usage_grow_to_max?= (=?iso-8859-1?Q?Alessandro_Fiorenzi?=)
   6. Re: Running Snort Daemon Problem (Chris Green)
   7. Re: Barnyard Solaris 2.6 make issue (Roelof JT Jonkman)
   8. Snort for RH 7.0 (Paulo Henrique Baptista de Oliveira)
   9. Re: Help getting Snort working with mysql (Phil Wood)
  10. Re: libpcap 0.7.1 (Phil Wood)
  11. RE: Help getting Snort working with mysql (Patrick S. Harper)

--__--__--

Message: 1
From: Steve Halligan <agent33 at ...187...>
To: "Snort-Users (E-mail)" <snort-users at lists.sourceforge.net>
Subject: RE: [Snort-users] detection and preprocessor plugins
Date: Tue, 29 Jan 2002 09:34:28 -0600

Please allow me to answer my own question.  When frag2 is determines that it
has a complete packet rebuilt, it dumps the packet back into
ProcessPacket(), which will give all the preprocessors (even frag2 itself
actually) another shot at the new rebuilt packet.

-steve

 
> > > 3)  If one have multiple preprocessors, what determines the 
> > order they run
> > > in?  Can the defrag run first, then others, allowing them 
> > to see the packet
> > > in its defragged form?
> > 
> > The order is determined by the way that they're loaded in the 
> > snort.conf
> > file.  The default order has spp_frag2 loaded first.
> > 
> So if frag2 is loaded first, will other preprocessors see a 
> packet in its
> defragged state?
> Or is the defragged packet only available to detection plugins and the
> signature engine?
> 
> -steve


--__--__--

Message: 2
From: "Bill" <wkuhn at ...4723...>
To: <snort-users at lists.sourceforge.net>
Date: Tue, 29 Jan 2002 11:00:34 -0800
Subject: [Snort-users] Running Snort Daemon Problem

Hello,
I am trying to get Snort 1.7 installed on a Linux Server... I installed the
snort rpm and the tarball... I had to do that because the RPM doesn't have
the ability to log to postgresql database... I try to start the snortd
daemon and it gives me an error:

snortd: /etc/snort/snort.conf: Permission Denied

Here is the Start Section of the snortd (located in /etc/rc.d/init.d):
start)
echo -n "Starting snort: "
daemon /usr/local/bin/snort -u snort -dev -D \
-i $INTERFACE -l /var/log/snort -u snort -g snort -c
/etc/snort/snort.conf -b
touch /var/lock/subsys/snort
echo
;;

The Snort binary is owned by root and the group is snort (was root but same
error).

The /etc/snort directory is owned by root and group of root, the permissions
are 755 (rwxr_xr_x).
The files in the /etc/snort directory are owned by root and the group is
snort (this includes snort.conf)
The snort.conf is in mode 640....

I checked the /var/log/snort permissions:
the snort directory is snort.snort (owner.group) all files inside are
snort.snort.

Some things I tried were:
chmoding the content of /etc/snort to 777 but I get errors of none of the
commands in the snort.conf can be found....
/etc/snort/snort.conf: var: command not found [ OK ]
/etc/snort/snort.conf: var: command not found
/etc/snort/snort.conf: var: command not found
/etc/snort/snort.conf: preprocessor: command not found
/etc/snort/snort.conf: preprocessor: command not found

I would try running it from a command prompt:
/usr/local/bin/snort -u snort -dev -D -i eth0 -l /var/log/snort -u snort -g
snort -c /etc/snort/snort.conf -b

It says it started but running "ps aux / grep snort" shows nothing....

I am at a loss for this one...

Any ideas????



--__--__--

Message: 3
To: snort-users at lists.sourceforge.net
Subject: Re: [Snort-users] FW: ISS Alert: Remote Denial of Service Vulnera
 bility in Snort ID S
From: Chris Green <cmg at ...671...>
Reply-To: snort-users at lists.sourceforge.net
Date: Tue, 29 Jan 2002 10:05:51 -0600

Andreas Hasenack <andreas at ...1574...> writes:

> But there is no 1.8.4 release in sight. So far, I think two important
> bugs are fixed in CVS:
> - that DoS one
> - the ICMP packet dumps having traces of snort.conf inside them
>
> There is no mention of these bugs at www.snort.org (at least at the
> download page and the main page), people going straight there to 
> download the package won't be aware of this.


Brian added
http://www.snort.org/downloads/snort-stable-snapshot.tar.gz and a news
item on the front page today.

Hopefully that will be good enough until 1.8.4 can be released.
-- 
Chris Green <cmg at ...671...>
"Yeah, but you're taking the universe out of context."


--__--__--

Message: 4
Date: Tue, 29 Jan 2002 11:44:10 -0500 (EST)
From: "Roman Danyliw" <roman at ...438...>
To: "Graham, Randy \(RAW\) " <RAW at ...4721...>
CC: snort-users at lists.sourceforge.net
Subject: Re: [Snort-users] Help getting Snort working with mysql

How far did you get through the README.database instructions?  

The following URL from the MySQL manual should get you through the database
installation process (Step 1-2).

http://www.mysql.com/documentation/mysql/bychapter/manual_Installing.html

What issues are you having applying the DDL script (contrib/create_mysql)?

cheers,
Roman

On Tue, 29 Jan 2002 10:15:39 -0500, "Graham, Randy \(RAW\) " <RAW at ...4738....>
wrote :

> OK, I must be totally brain damaged, because there is absolutely no way I
> can figure out how to get snort working with mysql.  I don't know if I'm
> setting up mysql wrong, or snort wrong, or what, but I can't get it working,
> and I'm not sure how to perform some of the steps listed in the
> README.database file.  Would anyone be willing to help me on or off list
> with this?
> 
> I'd be glad to just post my problems here if there is a need, but since I
> don't imagine this is of use to most readers of the list, I thought I'd wait
> and see if someone wanted to help me off list before filling up the list
> with personal support questions.
> 
> Thanks,
> 
> Randy Graham
> -- 
> The Internet?  Bah!  Is that thing still around?  -- Homer Simpson
> http://www.securitynewbie.com/ - for people like me
> 
> _______________________________________________
> Snort-users mailing list
> Snort-users at lists.sourceforge.net
> Go to this URL to change user options or unsubscribe:
> https://lists.sourceforge.net/lists/listinfo/snort-users
> Snort-users list archive:
> http://www.geocrawler.com/redir-sf.php3?list=snort-users
> 
> 
> 
> 


--__--__--

Message: 5
Date: Tue, 29 Jan 2002 18:11:38 +0100
From: "=?iso-8859-1?Q?Alessandro_Fiorenzi?=" <a.iorenzi at ...2470...>
To: snort-users at lists.sourceforge.net
Subject: [Snort-users] =?iso-8859-1?Q?CPU_usage_grow_to_max?=

ICBIaSwgSSBoYXZlIGluc3RhbGxlZCBhIHNub3J0IHNlbnNvciBvbiBhIFBlbnRpdW0gSUlJ
IDczM01IeiB0byBtb25pdG9yIDMNCkMgY2xhc3MgdHJhZmZpYywgYnV0IEkgc2VlIGV2ZXJ5
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DQppcyB0aGVyZSBhbnkgd2F5IHRvIHVzZSB0d28gcHJvY2Vzc29yPyANCg==




--__--__--

Message: 6
To: <snort-users at lists.sourceforge.net>
Subject: Re: [Snort-users] Running Snort Daemon Problem
From: Chris Green <cmg at ...671...>
Reply-To: snort-users at lists.sourceforge.net
Date: Tue, 29 Jan 2002 12:33:38 -0600

"Bill" <wkuhn at ...4723...> writes:

> Hello,
> I am trying to get Snort 1.7 installed on a Linux Server

Ancient snort alert.  Upgrade to stable CVS.

> ... I installed the snort rpm and the tarball... I had to do that
> because the RPM doesn't have the ability to log to postgresql
> database... I try to start the snortd daemon and it gives me an
> error:
>
> snortd: /etc/snort/snort.conf: Permission Denied
>
> Here is the Start Section of the snortd (located in /etc/rc.d/init.d):
> start)
> echo -n "Starting snort: "
> daemon /usr/local/bin/snort -u snort -dev -D \
> -i $INTERFACE -l /var/log/snort -u snort -g snort -c
> /etc/snort/snort.conf -b
> touch /var/lock/subsys/snort
> echo
> ;;
>

That looks like the old chroot daemon script.   Where is this RPM from?

> The Snort binary is owned by root and the group is snort (was root
>but same error).
>
> The /etc/snort directory is owned by root and group of root, the permissions
> are 755 (rwxr_xr_x).
> The files in the /etc/snort directory are owned by root and the group is
> snort (this includes snort.conf)
> The snort.conf is in mode 640....

There is a missing \ at the end of your '-c' line

daemon /usr/local/bin/snort -u snort -dev -D \
       -i $INTERFACE -l /var/log/snort -u snort -g snort -c  \
       /etc/snort/snort.conf -b

-v shouldn't be used in daemon mode

If you're feeling brave, remove all the RPMs and bits of snort you
currently have installed and try some testing RPMS of the current
stable snapshot:

ftp://helium.tucc.uab.edu/pub/snort-rpm (compiled on rh7.2)
-- 
Chris Green <cmg at ...671...>
"I'm beginning to think that my router may be confused."  


--__--__--

Message: 7
From: Roelof JT Jonkman <roel at ...47...>
Subject: Re: [Snort-users] Barnyard Solaris 2.6 make issue 
To: Steve Rudolph <srudolph at ...4612...>
Cc: snort-users at lists.sourceforge.net
Date: Tue, 29 Jan 2002 10:44:24 -0800

Steve,

Add the following to your LDFLAGS: '-lnsl'

Or the quick and dirty way:

gcc  -g -O2 -Wall  -o barnyard  barnyard.o configparse.o mstring.o
strlcatu.o strlcpyu.o util.o spool.o sid.o debug.o classification.o
output-plugins/libop.a input-plugins/libdp.a -lsocket -lnsl

Barnyard works on solaris, there are a few caveats, but it works.

roel
http://www.SiliconDefense.com




--__--__--

Message: 8
Date: Tue, 29 Jan 2002 17:21:16 -0200
From: Paulo Henrique Baptista de Oliveira <baptista at ...4725...>
To: snort-users at lists.sourceforge.net
Organization: Linux Solutions
Subject: [Snort-users] Snort for RH 7.0


	Hi all,
	I have to install snort in a RH 7.0 system and can only find snort for RH 7.1 and 7.2 at rpmfind.net that generates a lot of dependencies.
	I dont use to manage RedHat (my background is Debian) so I'm asking for someone to send me a snort binary for RH 7.0.
	TIA,		Paulo Henrique


-- 
Paulo Henrique B de Oliveira
Gerente de Operações - Linux Solutions - http://www.linuxsolutions.com.br
O maior conteúdo de Linux em língua portuguesa - OLinux - http://www.olinux.com.br
(21) 2526-7262 ramal 31

	


--__--__--

Message: 9
From: Phil Wood <cpw at ...440...>
Date: Tue, 29 Jan 2002 12:27:59 -0700
To: "Graham, Randy (RAW) " <RAW at ...4721...>
Cc: snort-users at lists.sourceforge.net
Subject: Re: [Snort-users] Help getting Snort working with mysql


--Dxnq1zWXvFF0Q93v
Content-Type: text/plain; charset=us-ascii
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On Tue, Jan 29, 2002 at 10:15:39AM -0500, Graham, Randy (RAW)  wrote:
> OK, I must be totally brain damaged, because there is absolutely no way I
> can figure out how to get snort working with mysql.  I don't know if I'm
> setting up mysql wrong, or snort wrong, or what, but I can't get it working,
> and I'm not sure how to perform some of the steps listed in the
> README.database file.  Would anyone be willing to help me on or off list
> with this?
> 
> I'd be glad to just post my problems here if there is a need, but since I
> don't imagine this is of use to most readers of the list, I thought I'd wait
> and see if someone wanted to help me off list before filling up the list
> with personal support questions.

I've attached a set of utilities which I use to keep me blissfully unaware.
( not that I need a lot of help with that ;)  Let me know if they help.

> 
> Thanks,
> 
> Randy Graham
> -- 
> The Internet?  Bah!  Is that thing still around?  -- Homer Simpson
> http://www.securitynewbie.com/ - for people like me
> 
> _______________________________________________
> Snort-users mailing list
> Snort-users at lists.sourceforge.net
> Go to this URL to change user options or unsubscribe:
> https://lists.sourceforge.net/lists/listinfo/snort-users
> Snort-users list archive:
> http://www.geocrawler.com/redir-sf.php3?list=snort-users

-- 
Phil Wood, cpw at ...440...


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--Dxnq1zWXvFF0Q93v--


--__--__--

Message: 10
From: Phil Wood <cpw at ...440...>
Date: Tue, 29 Jan 2002 13:44:22 -0700
To: "Crow, Owen" <Owen_Crow at ...2639...>
Cc: snort-users at lists.sourceforge.net
Subject: [Snort-users] Re: libpcap 0.7.1

Looks correct.  My netscape, shift key, reload just didn't hack it
today.  Cleared my cache and things started to work again.

One caveat, the current snort.c incorrectly adds ps_drop to ps_recv to create
a total packets received by the filter.  This is actually MY fault, and I have
notified Marty.  It's actually worse than that.  In particular, here is the
skinny on how libpcap manages the "pcap_stat" structure:

        filter  
OS      applied ps_recv                   ps_drop

linux   before  all packets that passed   packets that passed the filter
                the filter including      but dropped due to lack of buffer
                those that were dropped.  space. 

bsd     after   ALL packets that hit      (Same as linux)
                the network interface     
                before being filtered    
                including packets that
                passed the filter and
                packets that were dropped.

The above synopsis is based on my read of the two files pcap-linux.c and
pcap-bpf.c.

I would very much like to change the way pcap_stats works, but the old
hands are tied due to the "api".  

-- 
Phil Wood, cpw at ...440...



--__--__--

Message: 11
From: "Patrick S. Harper" <lists at ...4250...>
To: "'Graham, Randy \(RAW\) '" <RAW at ...4721...>,
   <snort-users at lists.sourceforge.net>
Subject: RE: [Snort-users] Help getting Snort working with mysql
Date: Tue, 29 Jan 2002 14:57:50 -0600

What platform are you on?  Are you using RPM's or source?  I have had
better luck using source on Linux.  The first link is a pretty good
tutorial.  I got all these from google when I first did this.

Good luck.

http://www.sfhn.net/whites/snortacid.html

http://www.andrew.cmu.edu/~rdanyliw/snort/acid_config.html

http://www.incident.org/snortdb/

http://www.sfhn.net/whites/snortacid.html

http://rr.sans.org/intrusion/snortsnarf.php

http://rr.sans.org/intrusion/ACID.php


Patrick S. Harper | MCSE ISS
mailto:patrick at ...4250... 
http://www.internetsecurityguru.com

How do I set a laser printer to stun?

-----Original Message-----
From: snort-users-admin at lists.sourceforge.net
[mailto:snort-users-admin at lists.sourceforge.net] On Behalf Of Graham,
Randy (RAW) 
Sent: Tuesday, January 29, 2002 9:16 AM
To: snort-users at lists.sourceforge.net
Subject: [Snort-users] Help getting Snort working with mysql


OK, I must be totally brain damaged, because there is absolutely no way
I can figure out how to get snort working with mysql.  I don't know if
I'm setting up mysql wrong, or snort wrong, or what, but I can't get it
working, and I'm not sure how to perform some of the steps listed in the
README.database file.  Would anyone be willing to help me on or off list
with this?

I'd be glad to just post my problems here if there is a need, but since
I don't imagine this is of use to most readers of the list, I thought
I'd wait and see if someone wanted to help me off list before filling up
the list with personal support questions.

Thanks,

Randy Graham
-- 
The Internet?  Bah!  Is that thing still around?  -- Homer Simpson
http://www.securitynewbie.com/ - for people like me

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