[Oisf-users] Suricata - test rule ignored/not dropping.

Tue Aug 3 03:07:13 UTC 2010

To let everyone know, I just sent William twp pcaps, one for the http parser error and the other for the htp mismatch error! hopefully this problem will be identified soon!
Best Regards,Shant K

> Date: Mon, 2 Aug 2010 15:00:12 -0500
> From: william.metcalf at gmail.com
> To: shant at skylab.ca
> CC: oisf-users at openinfosecfoundation.org; oisf-users-bounces at openinfosecfoundation.org
> Subject: Re: [Oisf-users] Suricata - test rule ignored/not dropping.
> 
> You will most likely see some of these at startup, as the engine will
> be coming into some http sessions mid-stream. Do you see this after
> initialization? Or is this limited to startup?  If it is not limited
> to startup if you can provide a pcap to me privately it would be very
> helpful.  Also this is actually only limited to the "Unable to match
> response to request" one.  If you could provide a pcap for the other
> would be super helpful ;-).
> 
> Regards,
> 
> Will
> 
> On Sun, Aug 1, 2010 at 9:49 PM, Shant Kassardjian <shant at skylab.ca> wrote:
> > I just ran in IDS mode, -i em0, got same error messages, here's the full
> > output:
> > [100125] 1/8/2010 -- 22:41:19 - (alert-fastlog.c:333) <Info>
> > (AlertFastLogInitCtx) -- Fast log output initialized, filename: fast.log
> > [100125] 1/8/2010 -- 22:41:19 - (stream-tcp.c:365) <Info>
> > (StreamTcpInitConfig) -- stream "max_sessions": 262144
> > [100167] 1/8/2010 -- 22:41:19 - (source-pcap.c:267) <Info>
> > (ReceivePcapThreadInit) -- using interface em0
> > [100125] 1/8/2010 -- 22:41:19 - (stream-tcp.c:377) <Info>
> > (StreamTcpInitConfig) -- stream "prealloc_sessions": 32768
> > [100125] 1/8/2010 -- 22:41:19 - (stream-tcp.c:387) <Info>
> > (StreamTcpInitConfig) -- stream "memcap": 33554432
> > [100125] 1/8/2010 -- 22:41:19 - (stream-tcp.c:394) <Info>
> > (StreamTcpInitConfig) -- stream "midstream" session pickups: disabled
> > [100125] 1/8/2010 -- 22:41:19 - (stream-tcp.c:402) <Info>
> > (StreamTcpInitConfig) -- stream "async_oneside": disabled
> > [100125] 1/8/2010 -- 22:41:19 - (stream-tcp.c:411) <Info>
> > (StreamTcpInitConfig) -- stream.reassembly "memcap": 67108864
> > [100125] 1/8/2010 -- 22:41:19 - (stream-tcp.c:420) <Info>
> > (StreamTcpInitConfig) -- stream.reassembly "depth": 1048576
> > [100125] 1/8/2010 -- 22:41:19 - (tm-threads.c:1429) <Info>
> > (TmThreadWaitOnThreadInit) -- all 7 packet processing threads, 3 management
> > threads initialized, engine started.
> > [100170] 1/8/2010 -- 22:41:51 - (app-layer-htp.c:391) <Error>
> > (HTPHandleRequestData) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error in parsing
> > HTTP client request: [1] [htp_request_generic.c] [150] Request field
> > invalid: colon missing
> > [100170] 1/8/2010 -- 22:41:51 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51615 and dst
> > port 80
> > [100170] 1/8/2010 -- 22:41:51 - (app-layer-htp.c:391) <Error>
> > (HTPHandleRequestData) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error in parsing
> > HTTP client request: [1] [htp_request_generic.c] [150] Request field
> > invalid: colon missing
> > [100170] 1/8/2010 -- 22:41:51 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51616 and dst
> > port 80
> > [100170] 1/8/2010 -- 22:41:52 - (app-layer-htp.c:391) <Error>
> > (HTPHandleRequestData) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error in parsing
> > HTTP client request: [1] [htp_request_generic.c] [150] Request field
> > invalid: colon missing
> > [100170] 1/8/2010 -- 22:41:52 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51621 and dst
> > port 80
> > [100170] 1/8/2010 -- 22:41:52 - (app-layer-htp.c:391) <Error>
> > (HTPHandleRequestData) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error in parsing
> > HTTP client request: [1] [htp_request_generic.c] [150] Request field
> > invalid: colon missing
> > [100170] 1/8/2010 -- 22:41:52 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51622 and dst
> > port 80
> > [100170] 1/8/2010 -- 22:41:53 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51617 and dst
> > port 80
> > [100170] 1/8/2010 -- 22:41:54 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51619 and dst
> > port 80
> > [100170] 1/8/2010 -- 22:41:55 - (app-layer-htp.c:479) <Error>
> > (HTPHandleResponseData) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error in parsing
> > HTTP server response: [1] [htp_response.c] [671] Unable to match response to
> > request
> > [100170] 1/8/2010 -- 22:41:55 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51618 and dst
> > port 80
> >
> > ________________________________
> > To: shant at skylab.ca; pookme at hotmail.com;
> > oisf-users-bounces at openinfosecfoundation.org; william.metcalf at gmail.com
> > CC: oisf-users at openinfosecfoundation.org
> > Subject: Re: [Oisf-users] Suricata - test rule ignored/not dropping.
> > From: oisf at rogness.net
> > Date: Mon, 2 Aug 2010 02:37:04 +0000
> >
> > Looks like a potential bug. If you run in IDS mode, with -i em0 without the
> > -d 8000, and remove the ipfw rule, does it still produce the error?
> >
> > Nick
> >
> >
> > Sent from my BlackBerry Smartphone provided by Alltel
> > ________________________________
> > From: Shant Kassardjian <shant at skylab.ca>
> > Sender: <pookme at hotmail.com>
> > Date: Mon, 2 Aug 2010 02:27:56 +0000
> > To: <oisf at rogness.net>; <oisf-users-bounces at openinfosecfoundation.org>;
> > <william.metcalf at gmail.com>
> > Cc: <oisf-users at openinfosecfoundation.org>
> > Subject: RE: [Oisf-users] Suricata - test rule ignored/not dropping.
> >
> > Hi Nick,
> > Yes, I have interfaces (em1, em2, em3,em4, em5) configured under bridge0,
> > plus an em0 interface which is not part of the bridge0 and provides routing
> > for internet connectivity.
> > here's how the flow occurs:
> > pc -> birdge0 -> em0 -> internet
> > My ipfw script is very basic
> > #!/bin/sh
> > ipfw -q -f flush
> > ipfw -q zero
> > ipfw -q resetlog
> > ipfw add 010 divert 8000 ip from any to any via em0
> > Configuring the suricata.yml to enable console output to yes, now provides
> > additional details to the error message:
> >
> > [100185] 1/8/2010 -- 22:11:18 - (app-layer-htp.c:391) <Error>
> > (HTPHandleRequestData) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error in parsing
> > HTTP client request: [1] [htp_request_generic.c] [150] Request field
> > invalid: colon missing
> > [100185] 1/8/2010 -- 22:11:18 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51098 and dst
> > port 80
> > [100185] 1/8/2010 -- 22:11:18 - (app-layer-htp.c:479) <Error>
> > (HTPHandleResponseData) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error in parsing
> > HTTP server response: [1] [htp_response.c] [671] Unable to match response to
> > request
> > [100185] 1/8/2010 -- 22:11:18 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51100 and dst
> > port 80
> > [100185] 1/8/2010 -- 22:11:26 - (app-layer-parser.c:931) <Error>
> > (AppLayerParse) -- [ERRCODE: SC_ERR_ALPARSER(59)] - Error occured in parsing
> > "http" app layer protocol, using network protocol 6, source IP address
> > 172.25.1.10, destination IP address 24.200.238.163, src port 51104 and dst
> > port 80
> >
> > hope this helps!
> > Shant K
> >
> >> To: shant at skylab.ca; oisf-users-bounces at openinfosecfoundation.org;
> >> william.metcalf at gmail.com
> >> CC: oisf-users at openinfosecfoundation.org
> >> Subject: Re: [Oisf-users] Suricata - test rule ignored/not dropping.
> >> From: oisf at rogness.net
> >> Date: Sun, 1 Aug 2010 20:09:25 +0000
> >>
> >>
> >> Are you bridging between interfaces? Does this happen when you are routing
> >> versus bridging?
> >>
> >> Nick
> >>
> >> Sent from my BlackBerry Smartphone provided by Alltel
> >>
> >> -----Original Message-----
> >> From: Shant Kassardjian <shant at skylab.ca>
> >> Sender: oisf-users-bounces at openinfosecfoundation.org
> >> Date: Sun, 1 Aug 2010 18:24:32
> >> To: <william.metcalf at gmail.com>
> >> Cc: <oisf-users at openinfosecfoundation.org>
> >> Subject: Re: [Oisf-users] Suricata - test rule ignored/not dropping.
> >>
> >>_______________________________________________
> >> Oisf-users mailing list
> >> Oisf-users at openinfosecfoundation.org
> >> http://lists.openinfosecfoundation.org/mailman/listinfo/oisf-users
> >>
> >>
> >
> _______________________________________________
> Oisf-users mailing list
> Oisf-users at openinfosecfoundation.org
> http://lists.openinfosecfoundation.org/mailman/listinfo/oisf-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openinfosecfoundation.org/pipermail/oisf-users/attachments/20100803/b904f9ba/attachment-0002.html>