请帮忙解释一下这段ACL
lnatg 2008-05-12 12:06:36 intface serial0
ip access-group 107 in
access-list 107 remark allow traffic to tom's pc
access-list 107 ip any host 198.78.46.8
access-list 107 remark allow only web traffic to webserver
access-list 107 tcp any host 198.78.46.12 eq 80
access-list 107 remark block everything else
access-list 107 deny any any
能每句都解释一下吗?
eq 80什么意思啊,还有一些单词组成的命令,什么意思啊
谢了