The first step
Wherein the first row there are three hosts parameters
No Zone Filter: do not do any filtering
Show only Intranet Hosts: displays only the internal network hosts
Show only Internet Host: show only Internet hosts
The second row has three parameters
No Host Filter: Filter not
Show only the following Hosts: show only what the host (common)
Flag the following Hosts: mark the following host
The second step, we filter
After filtration
Expansion: If you want to grab content https, you need to set
After a good can crawl the content of https.