Can someone please look at my firewall log?

Hi

Forgive me if this is a stupid question, but I have noticed these blocked Firefox entries in my Firewall Events logs, are these normal or anything to worry about?

Thankies

16/12/2007 08:55:42
Protocol - TCP
Source IP - Mine
Source Port 4984
Destination IP - 129.170.214.191
Destination Port 8080

16/12/2007 08:55:43
Protocol - TCP
Source IP - Mine
Source Port 4984
Destination IP - 129.170.214.191
Destination Port 8080

16/12/2007 08:55:44
Protocol - TCP
Source IP - Mine
Source Port 4987
Destination IP - 160.36.57.173
Destination Port 8080

16/12/2007 08:55:44
Protocol - TCP
Source IP - Mine
Source Port 4987
Destination IP - 160.36.57.173
Destination Port 8080

16/12/2007 08:55:45
Protocol - TCP
Source IP - Mine
Source Port 4988
Destination IP - 128.10.19.52
Destination Port 8080

16/12/2007 08:55:45
Protocol - TCP
Source IP - Mine
Source Port 4988
Destination IP - 128.10.19.52
Destination Port 8080

16/12/2007 09:00:21
Protocol - TCP
Source IP - 66.230.239.162
Source Port 80
Destination IP - Mine
Destination Port 1108

16/12/2007 09:00:33
Protocol - TCP
Source IP - 66.230.239.162
Source Port 80
Destination IP - Mine
Destination Port 1129

16/12/2007 09:00:38
Protocol - TCP
Source IP - 66.230.239.162
Source Port 80
Destination IP - Mine
Destination Port 1123

16/12/2007 09:00:54
Protocol - TCP
Source IP - 66.230.239.162
Source Port 80
Destination IP - Mine
Destination Port 1108

16/12/2007 09:01:03
Protocol - TCP
Source IP - 66.230.239.164
Source Port 80
Destination IP - Mine
Destination Port 1129

16/12/2007 09:01:51
Protocol - TCP
Source IP - 66.230.239.162
Source Port 80
Destination IP - Mine
Destination Port 1108

There are also 6 more entries along these lines with different ip addresses and destination ports.