一.开启日志功能
1.开启Exchange System Manager(EMS)
2.选择“Administrative Groups”->“Frist Administrative Group”->“Servers”->“ServerName(Exchange的服务器名称)”,右键择择属性。
3.单击“Diagnostics Logging”(诊断日志)选项卡
4.单击选择左边“Services”栏的“MSExchangeTransport”
5.单击选择右边“Categories”栏的“SMTP Protocol”(SMTP 协议)
6.在最下面的“Logging Level”(日志级别)中选择“Maximum”(最高级)
7.单击“确定”窗口,完成设定。如下图:
(图一 Exchange 2003 Server的设定界面)
(图二 Exchange 2000 Server的设定界面)
二。如何看懂这些日志:
当有用户正在针对连接SMTP发送邮件,前需要进行身份验证,这个记录将在应用程序日志中看到与以下内容类似的事件(你可以通过“管理工具”->“事件查看器”来查看):
1.第一种日志情况
Event Type:Information
Event Source:MSExchangeTransport
Event Category:SMTP Protocol
Event ID: 1708
Date: 10/15/2004
Time:8:13:24 AM
User:N/A
Computer:SERVER
Description:SMTP Authentication was performed successfully with client remote_computername.The authentication method was LOGIN and the username was company\username.
在这个日志中,如果中继看起来是来自被攻击的帐户密码,请到 Active Directory“用户和计算机”中删除该帐户,或是禁用该帐户或者更改该帐户的密码。
2.第二种日志情况:
Event Type:Information
Event Source:MSExchangeTransport
Event Category:SMTP Protocol
Event ID: 1708
Date: 10/15/2004
Time:8:27:52 AM
User:N/A
Computer:SERVER
Description:SMTP Authentication was performed successfully with client remote_computername.The authentication method was LOGIN and the username was COMPANY\Guest.
在这个日志中说明,远程用户使用的是来宾帐户。请使用 Active Directory“用户和计算机”来禁用来宾帐户,注意是禁用,不是只更改来宾帐户的密码哦。
. TAG: exchange smtp验证