ICMP, normal traffic?



Hi,
I had not replies to my earlier WAN Overload? email. Sadly our ISP has
simply said that our hardware would not be adversly affected by
broadcast traffic. Here is output from our firewall showing many ICMP
logs, is it normal to receive so many all within a second? There may
well be more, this

MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon " proto=1- icmp
packet - Source:=217.204.49.146 - Destination:=85.234.133.24 - [ICMP
Type: 8 Code: 0 Sequence number: 16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=1- icmp packet - Source:=217.204.49.146 -
Destination:=85.234.133.24 - [ICMP Type: 8 Code: 0 Sequence number:
16516 received from WAN n/w]


MON OCT 02 11:04:05 2006 time="2006-10-02 11:04:05 Mon "
proto=6- tcp packet - Source:=213.105.224.17 -
Destination:=85.234.133.24 - [Connection unestablished, data arrives
Src 36965 Dst 80 from WAN n/w]


.... and so on

John

.