Snort mailing list archives
BAD TRAFFIC bad frag bits, MISC Large UDP Packet and RPC portmap request bootparam
From: Todd Holloway <todd () duckland org>
Date: Wed, 23 Jan 2002 13:52:25 -0600
I'm evaluating Demarc's PureSecure (w/ Snort Version 1.8.3 (Build 88)). When a newly setup Solaris 2.8 Jumpstart server..."jumpstarts" a machine. I get quite a few alerts (like 4000+ :). I see the "ERRs" below from tcpdump on (version 3.6, libpcap version 0.6) Linux, but not from the tcpdump (same version of both) on the Solaris 2.8 server. What's going on? I'm guessing it's something different in tcp stack implementation, but I'm missing it. have a happy mind, todd ______________________________ SIGNATURE: RPC portmap request bootparam SRC IP: 1.1.1.1 DST IP: 255.255.255.255 ______________________________ SIGNATURE: BAD TRAFFIC bad frag bits SRC IP: 1.1.1.2 DST IP: 1.1.1.1 ______________________________ SIGNATURE: BAD TRAFFIC bad frag bits SRC IP: 1.1.1.2 DST IP: 1.1.1.1 ______________________________ SIGNATURE: BAD TRAFFIC bad frag bits SRC IP: 1.1.1.2 DST IP: 1.1.1.1 ______________________________ SIGNATURE: BAD TRAFFIC bad frag bits SRC IP: 1.1.1.2 DST IP: 1.1.1.1 ______________________________ SIGNATURE: BAD TRAFFIC bad frag bits SRC IP: 1.1.1.2 DST IP: 1.1.1.1 ______________________________ SIGNATURE: MISC Large UDP Packet SRC IP: 1.1.1.2 DST IP: 1.1.1.1 ______________________________ SIGNATURE: BAD TRAFFIC bad frag bits SRC IP: 1.1.1.2 DST IP: 1.1.1.1 ______________________________ 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.4214770757: reply ERR 1460 (DF) (ttl 64, id 63315, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.3153343559: reply ERR 1460 (DF) (ttl 64, id 63316, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.2822450691: reply ERR 1460 (DF) (ttl 64, id 63317, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.1934238373: reply ERR 1460 (DF) (ttl 64, id 63318, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.3244921369: reply ERR 1460 (DF) (ttl 64, id 63319, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.346190187: reply ERR 1460 (DF) (ttl 64, id 63320, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.1646961569: reply ERR 1460 (DF) (ttl 64, id 63321, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.2722629544: reply ERR 1460 (DF) (ttl 64, id 63322, len 1500) 11:33:20.085820 1.1.1.2.nfs > 1.1.1.1.2076031598: reply ERR 648 (DF) (ttl 64, id 63323, len 688) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.3296674272: reply ok 132 (DF) (ttl 64, id 63324, len 172) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.4131376078: reply ERR 1460 (DF) (ttl 64, id 63325, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.1764277460: reply ERR 1460 (DF) (ttl 64, id 63326, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.2785970758: reply ERR 1460 (DF) (ttl 64, id 63327, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.2715686601: reply ERR 1460 (DF) (ttl 64, id 63328, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.3324449566: reply ERR 1460 (DF) (ttl 64, id 63329, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.2863339656: reply ERR 1460 (DF) (ttl 64, id 63330, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.1277245857: reply ERR 1460 (DF) (ttl 64, id 63331, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.2002626110: reply ERR 1460 (DF) (ttl 64, id 63332, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.2634077603: reply ERR 1460 (DF) (ttl 64, id 63333, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.3985510588: reply ERR 1460 (DF) (ttl 64, id 63334, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.3851470169: reply ERR 1460 (DF) (ttl 64, id 63335, len 1500) 11:33:20.135822 1.1.1.2.nfs > 1.1.1.1.2215298473: reply ERR 116 (DF) (ttl 64, id 63336, len 156) 11:33:20.305831 1.1.1.2.nfs > 1.1.1.1.3296674273: reply ok 116 (DF) (ttl 64, id 63337, len 156) 11:33:21.325880 1.1.1.2.nfs > 1.1.1.1.3296674274: reply ok 116 (DF) (ttl 64, id 63338, len 156) 11:33:21.325880 1.1.1.2.nfs > 1.1.1.1.3296674275: reply ok 116 (DF) (ttl 64, id 63339, len 156) 11:33:21.335881 1.1.1.2.nfs > 1.1.1.1.3296674276: reply ok 116 (DF) (ttl 64, id 63340, len 156) 11:33:21.335881 1.1.1.2.nfs > 1.1.1.1.3296674277: reply ok 120 (DF) (ttl 64, id 63341, len 160) 11:33:21.345881 1.1.1.2.nfs > 1.1.1.1.3296674278: reply ok 244 (DF) (ttl 64, id 63342, len 284) 11:33:21.345881 1.1.1.2.nfs > 1.1.1.1.3296674279: reply ok 124 (DF) (ttl 64, id 63343, len 164) 11:33:21.345881 1.1.1.2.nfs > 1.1.1.1.3296674280: reply ok 124 (DF) (ttl 64, id 63344, len 164) 11:33:21.345881 1.1.1.2.nfs > 1.1.1.1.3296674281: reply ok 132 (DF) (ttl 64, id 63345, len 172) 11:33:21.345881 1.1.1.2.nfs > 1.1.1.1.1030975585: reply ERR 784 (DF) (ttl 64, id 63346, len 824) -- -- "This UI has been brought to you by the letters 'S' and 'K', and the runlevel 3." - Greg Andrews _______________________________________________ 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:
- BAD TRAFFIC bad frag bits, MISC Large UDP Packet and RPC portmap request bootparam Todd Holloway (Jan 23)