Snort mailing list archives
Re: Snort not showing all packets
From: Martin Roesch <roesch () sourcefire com>
Date: Thu, 26 Aug 2004 20:14:21 -0400
That ought to do it. Of course, that's only going to flag pseudo packets generated by stream4 instead of the original packets from the pcap file...
-Marty On Aug 17, 2004, at 9:59 PM, Ned wrote:
I have written a preprocessor that prints the packet payload size and contents (p->dsize and p->dp). I want to use it to test stream4 and its ability to reassemble TCP streams.My preprocessor *almost* works. Unfortunately, when I run it through a tcpdump file containing a simple wget of an index.html, I do not see the first part of the data from the web server. The first packet is there, but my preprocessor sees it as a packet of size 0.Does anyone know what I could try to fix this?Also, can anyone confirm that the following determines whether a packet is a reassembled stream from stream4?if (p->packet_flags & PKT_REBUILT_STREAM) { printf("This is a rebuilt stream, rebuilt by stream4.\n"); } Thanks ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 _______________________________________________ Snort-users mailing list Snort-users () 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
-- Martin Roesch - Founder/CTO, Sourcefire Inc. - (410)290-1616 Sourcefire: Enterprise-class Snort-based IDS Infrastructure roesch () sourcefire com - http://www.sourcefire.com Snort: Open Source Network IDS - http://www.snort.org ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 _______________________________________________ Snort-users mailing list Snort-users () 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
Current thread:
- Snort not showing all packets Ned (Aug 17)
- <Possible follow-ups>
- Snort not showing all packets Ned (Aug 23)
- Re: Snort not showing all packets Martin Roesch (Aug 26)