Fix for Bug 2151:

Mask out all multicast addresses by their prefix, which is 4 bit wide i.s.o. 24 bit

svn path=/trunk/; revision=23990
This commit is contained in:
Jaap Keuter 2008-01-03 07:05:05 +00:00
parent 56bf2afc04
commit 1afba5344f

View File

@ -7,7 +7,7 @@
@ARP@arp@[55011,59486,65534][0,0,0]
@ICMP@icmp@[49680,49737,65535][0,0,0]
@TCP RST@tcp.flags.reset eq 1@[37008,0,0][65535,63121,32911]
@TTL low or unexpected@( ! ip.dst == 224.0.0.0/24 && ip.ttl < 5) || (ip.dst == 224.0.0.0/24 && ip.ttl != 1)@[37008,0,0][65535,65535,65535]
@TTL low or unexpected@( ! ip.dst == 224.0.0.0/4 && ip.ttl < 5) || (ip.dst == 224.0.0.0/24 && ip.ttl != 1)@[37008,0,0][65535,65535,65535]
@Checksum Errors@cdp.checksum_bad==1 || edp.checksum_bad==1 || ip.checksum_bad==1 || tcp.checksum_bad==1 || udp.checksum_bad==1@[0,0,0][65535,24383,24383]
@SMB@smb || nbss || nbns || nbipx || ipxsap || netbios@[65534,64008,39339][0,0,0]
@HTTP@http || tcp.port == 80@[36107,65535,32590][0,0,0]