I set logging on the rules to emergency just so I can find them easy, the trace is below
Please ignore https names, it is actually http that I am forwarding and connecting to at the moment.
2009-10-21
12:53:51    Emergency    CONN
600002    https_inbound_allow    TCP    wan1
vlan2    192.168.100.107
192.168.100.99    51644
80    conn_close
close
conn=close origsent=2712 termsent=748
2009-10-21
12:53:48    Emergency    CONN
600002    https_inbound_allow    TCP    wan1
vlan2    192.168.100.107
192.168.100.99    51637
80    conn_close
close
conn=close origsent=3832 termsent=1712
2009-10-21
12:53:12    Emergency    CONN
600001    https_inbound_allow    TCP    wan1
vlan2    192.168.100.107
192.168.100.99    51646
80    conn_open
satdestrule=https_inbound_map conn=open
2009-10-21
12:52:30    Emergency    CONN
600004    nat_out    UDP    vlan2
core    192.168.2.2
224.0.0.251    5353
5353    conn_open_natsat
conn=open connnewsrcip=127.0.0.1 connnewsrcport=15305 connnewdestip=224.0.0.251 connnewdestport=5353
2009-10-21
12:52:30    Emergency    CONN
600004    nat_out    UDP    vlan2
core    192.168.2.100
224.0.0.251    5353
5353    conn_open_natsat
conn=open connnewsrcip=127.0.0.1 connnewsrcport=10438 connnewdestip=224.0.0.251 connnewdestport=5353
2009-10-21
12:52:27    Emergency    CONN
600001    https_inbound_allow    TCP    wan1
vlan2    192.168.100.107
192.168.100.99    51644
80    conn_open