樓上IE那是自己鎖自己, 如果是你要鎖別人, 剛好有網路設備是你管的, 就鎖IP吧~

由於facebook使用需要先登入, 所以登入失敗差不多也玩完了.

用nslookup去查詢www.facebook.com 跟 facebook.com 的網址解析IP

若他跟你用相同DNS server, 將這些IP封鎖能有一些作用. 先不要去想對https下手.

C:\Documents and Settings\Raziel>nslookup
*** Can't find server name for address 10.251.96.2: Non-existent domain
*** Default servers are not available
Default Server: UnKnown
Address: 10.251.96.2

> facebook.com
Server: UnKnown
Address: 10.251.96.2

Non-authoritative answer:
Name: facebook.com
Addresses: 69.171.224.11, 69.171.229.11, 69.171.242.11, 66.220.149.11
66.220.158.11

> www.facebook.com
Server: UnKnown
Address: 10.251.96.2

Non-authoritative answer:
Name: www.facebook.com
Address: 69.171.224.40

>