Block all ports except some common used in Active Wall.

Block all ports except some common used can increase security for your LAN.
We can implement it in port filter.
In this case, we block all ports except ftp,telnet,smtp,dns,dncp,http,pop3,netbios,imap,https.
Please add or delete any port as you needed.
We can implement it in port filter.
In this case, we block all ports except ftp,telnet,smtp,dns,dncp,http,pop3,netbios,imap,https.
Please add or delete any port as you needed.