E*****d 发帖数: 238 | 1 【 以下文字转载自 JobHunting 讨论区 】
发信人: EvanDad (Evan's Daddy), 信区: JobHunting
标 题: 请教一道有关网络的问题
发信站: BBS 未名空间站 (Fri Nov 7 18:53:45 2008)
If you were asked to find every mail server connected to the Internet, what
would you do? What process would you follow? Make any assumptions you need
to. What are the critical assumptions? | z**r 发帖数: 17771 | 2 port scan?
what
【在 E*****d 的大作中提到】 : 【 以下文字转载自 JobHunting 讨论区 】 : 发信人: EvanDad (Evan's Daddy), 信区: JobHunting : 标 题: 请教一道有关网络的问题 : 发信站: BBS 未名空间站 (Fri Nov 7 18:53:45 2008) : If you were asked to find every mail server connected to the Internet, what : would you do? What process would you follow? Make any assumptions you need : to. What are the critical assumptions?
| s*****g 发帖数: 1055 | 3 foreach topdomain {
if {query each_domain_MX_record} {
i++;
}
}
Critical assumption: for each MX record, the host is alive. |
|