[Snort-users] about snort active responses in passive mode

Al Lewis (allewi) allewi at ...589...
Fri Feb 13 15:30:59 EST 2015


	Can you explain a little more what is not working? Are you saying that the tcp resets ARENT being sent? Or that the block pages ARENT being sent? 

Sorry if I misunderstood your question.

Albert Lewis
QA Software Engineer
SOURCEfire, Inc. now part of Cisco
9780 Patuxent Woods Drive
Columbia, MD 21046 
Phone: (office) 443.430.7112
Email: allewi at ...589... 

-----Original Message-----
From: chinghsiung [mailto:chinghsiung at ...17093...] 
Sent: Friday, February 13, 2015 10:58 AM
To: snort-users at lists.sourceforge.net
Subject: [Snort-users] about snort active responses in passive mode

Hello ,now i have a problem with snort active responses is not work ,

config response: device eth1 attempts 20 config react: /etc/snort/block.html ..........
preprocessor stream5_global: track_tcp yes, \
   track_udp yes, \
   track_icmp no, \
   max_tcp 262144, \
   max_udp 131072, \
   max_active_responses 25, \
   min_response_seconds 1

about rule:
alert tcp any any -> any $HTTP_PORTS (msg:"aa710"; content:"x49.aa710.com"; sid:8;  react:block,msg;) alert tcp any any -> any $HTTP_PORTS (msg:"sex"; content:"www.sex.com"; sid:15;  react:block,msg;) alert tcp any any -> any $HTTP_PORTS (msg:"hilive"; content:"www.hilive.tv"; react:block,msg; sid:14; )

i already ./configure --enable-sourcefire --enable-active-response
--enable-flexresp3 --enable-react
and make make install

[switch port with mirrored 802.1q traffic]===[eth0 used for monitoring only]-[PC with snort]-[eth1 used for send tcp -rst (active response) and has network access]===[network]

anyone know how to slove this problem ? i have not look up any block page or tcp -rst ? but  when i use vmware workstation  to run this active response it's work !!

Honeynet Taiwan Chapter
Hsu, ChingHsiung(清雄)
chinghsiung at ...17093...

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