well, 53/udp is dns traffic. So if you're not running a dns server serving the internet, block it off. iirc you're using clark connect... surely it's got a firewall.
Not that it's any volume of traffic, really... On Wed, 15 Oct 2008 21:00:56 +1300 [EMAIL PROTECTED] wrote: > I've got a 7.8mb secure log with this stuff in it and not sure what I > should do to sort it out? > > [EMAIL PROTECTED] log]# tail -f secure > Oct 15 21:06:41 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 203.96.152.4:53 -> > 121.73.114.171:58076 > Oct 15 21:06:41 bowenvale last message repeated 2 times > Oct 15 21:06:41 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 71.174.101.194:61636 -> > 121.73.114.171:25768 > Oct 15 21:06:43 bowenvale snort[21511]: [1:408:5] ICMP Echo Reply > [Classification: Misc activity] [Priority: 3]: {ICMP} 69.90.141.108 -> > 121.73.114.171 > Oct 15 21:06:47 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 203.96.152.4:53 -> > 121.73.114.171:58076 > Oct 15 21:06:47 bowenvale last message repeated 2 times > Oct 15 21:06:52 bowenvale sshd[21144]: Did not receive identification > string from ::ffff:125.215.218.34 > Oct 15 21:06:53 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 71.241.249.210:51264 -> > 121.73.114.171:37912 > Oct 15 21:06:53 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 71.225.114.13:17910 -> > 121.73.114.171:37912 > Oct 15 21:06:53 bowenvale snort[21511]: [1:408:5] ICMP Echo Reply > [Classification: Misc activity] [Priority: 3]: {ICMP} 69.90.141.108 -> > 121.73.114.171 > Oct 15 21:06:55 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 71.174.101.194:61636 -> > 121.73.114.171:25768 > Oct 15 21:06:55 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 71.241.246.81:3743 -> > 121.73.114.171:25768 > Oct 15 21:06:56 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 129.186.194.160:52234 -> > 121.73.114.171:37912 > Oct 15 21:06:56 bowenvale snort[21511]: [1:384:5] ICMP PING > [Classification: Misc activity] [Priority: 3]: {ICMP} 209.80.45.41 -> > 121.73.114.171 > Oct 15 21:06:57 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 71.174.101.194:61636 -> > 121.73.114.171:25768 > Oct 15 21:06:58 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 132.206.121.52:9413 -> > 121.73.114.171:25768 > Oct 15 21:07:01 bowenvale snort[21511]: [1:1620:5] BAD TRAFFIC > Non-Standard IP protocol [Classification: Detection of a non-standard > protocol or event] [Priority: 2]: {UDP} 71.174.101.194:61636 -> > 121.73.114.171:25768 > > > Cheers Don > -- > Don Gould > 31 Acheson Ave, Mairehau, Christchurch, NZ > Ph +64 3 348 7235 or + 64 21 114 0699 > www.thinkdesignprint.co.nz -- Steve Holdoway <[EMAIL PROTECTED]>