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RE: [Snort-users] Cant see alert for rule

This is a discussion on RE: [Snort-users] Cant see alert for rule within the Snort forums, part of the System Security and Security Related category; This is a multi-part message in MIME format. ------=_NextPart_000_0002_01C448A6.B1280EE0 Content-Type: text/plain; charset="us-ascii" ...


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Old 06-02-2004
Tom Fulton
 
Posts: n/a
Default RE: [Snort-users] Cant see alert for rule

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I pulled out my Linksys switch and put in an old 10/100 5-port workgroup
hub. Same problem.
=20
Any one have any ideas?
=20
thanks

-----Original Message-----
From: snort-users-admin@lists.sourceforge.net
[mailto:snort-users-admin@lists.sourceforge.net] On Behalf Of Tom Fulton
Sent: Wednesday, June 02, 2004 12:37 PM
To: Snort-users@lists.sourceforge.net
Subject: [Snort-users] Cant see alert for rule



1)=20
Snort 2.0.6 on linux=20


2)=20
Three pcs:=20
1 2 3=20
w2kPC victim linux attacker linux snort box=20


3)=20
I run:=20
Snort -d -e -v -c /etc/snort/snort.conf (no errors)=20


4)=20
Rule in <file://ftp.rules> ftp.rules is:=20
Alert tcp any any -> any 21 (content: "USER administrator"; msg: "FTP
administrator login attempt";)=20


5)=20
When I run: ftp <IPVictim> from linux attacker, I don't get any rules =
fired
on my snort box.=20


6)=20
I have a Gigabit Linksys 5-port workgroup switch between them all=20


Why am I not able to see the alert?=20

Thanks!=20


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<HTML><HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Dus-ascii">
<TITLE>Message</TITLE>

<META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR></HEAD>
<BODY>
<DIV><SPAN class=3D438553520-02062004><FONT face=3DArial color=3D#0000ff =
size=3D2>I=20
pulled out my Linksys switch and put in an old 10/100 5-port workgroup=20
hub.&nbsp; Same problem.</FONT></SPAN></DIV>
<DIV><SPAN class=3D438553520-02062004><FONT face=3DArial color=3D#0000ff =

size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D438553520-02062004><FONT face=3DArial color=3D#0000ff =
size=3D2>Any=20
one have any ideas?</FONT></SPAN></DIV>
<DIV><SPAN class=3D438553520-02062004><FONT face=3DArial color=3D#0000ff =

size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D438553520-02062004><FONT face=3DArial color=3D#0000ff =

size=3D2>thanks</FONT></SPAN></DIV>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr =
align=3Dleft><FONT=20
face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B>=20
snort-users-admin@lists.sourceforge.net=20
[mailto:snort-users-admin@lists.sourceforge.net] <B>On Behalf Of =
</B>Tom=20
Fulton<BR><B>Sent:</B> Wednesday, June 02, 2004 12:37 PM<BR><B>To:</B> =

Snort-users@lists.sourceforge.net<BR><B>Subject:</B> [Snort-users] =
Cant see=20
alert for rule<BR><BR></FONT></DIV><!-- Converted from text/rtf format =
-->
<P><FONT face=3DArial size=3D2>1)</FONT> <BR><FONT face=3DArial =
size=3D2>Snort 2.0.6=20
on linux</FONT> </P><BR>
<P><FONT face=3DArial size=3D2>2)</FONT> <BR><FONT face=3DArial =
size=3D2>Three=20
pcs:</FONT> <BR><FONT face=3DArial size=3D2>&nbsp; =
1&nbsp;&nbsp;&nbsp;&nbsp;=20
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3</FONT> <BR><FONT =
face=3DArial=20
size=3D2>w2kPC =
victim&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n bsp;&nbsp;=20
linux=20
=
attacker&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
linux snort box</FONT> </P><BR>
<P><FONT face=3DArial size=3D2>3)</FONT> <BR><FONT face=3DArial =
size=3D2>I run:</FONT>=20
<BR><FONT face=3DArial size=3D2>Snort -d -e -v -c=20
/etc/snort/snort.conf&nbsp;&nbsp;&nbsp;&nbsp; (no errors)</FONT> =
</P><BR>
<P><FONT face=3DArial size=3D2>4)</FONT> <BR><FONT face=3DArial =
size=3D2>Rule in=20
</FONT><A href=3D"file://ftp.rules"><U><FONT face=3DArial =
color=3D#0000ff=20
size=3D2>ftp.rules</FONT></U></A><FONT face=3DArial size=3D2> =
is:</FONT> <BR><FONT=20
face=3DArial size=3D2>Alert tcp any any -&gt; any 21 (content: "USER=20
administrator"; msg: "FTP administrator login attempt";) =
</FONT></P><BR>
<P><FONT face=3DArial size=3D2>5)</FONT> <BR><FONT face=3DArial =
size=3D2>When I run:=20
ftp &lt;IPVictim&gt;&nbsp; from linux attacker, I don’t get any =
rules fired on=20
my snort box.</FONT> </P><BR>
<P><FONT face=3DArial size=3D2>6)</FONT> <BR><FONT face=3DArial =
size=3D2>I have a=20
Gigabit Linksys 5-port workgroup switch between them all</FONT> =
</P><BR>
<P><FONT face=3DArial size=3D2>Why am I not able to see the =
alert?</FONT> </P>
<P><FONT face=3DArial size=3D2>Thanks!</FONT> =
</P></BLOCKQUOTE></BODY></HTML>

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