● 攻击者通过扫描(54) 漏洞,产生大量不可用的Sendmail子进程,导致Sendmail长时间挂起,从而耗尽服务器内存,达到攻击的目的。(54)A. CGIB. SMTPC. RPCD. DNS
● 攻击者通过扫描(54) 漏洞,产生大量不可用的Sendmail子进程,导致Sendmail长时间挂起,从而耗尽服务器内存,达到攻击的目的。
(54)
A. CGI
B. SMTP
C. RPC
D. DNS
相关考题:
以下说法正确的是()。A、分布式拒绝服务攻击可以在那些通过系统的远程请求漏洞被劫持的机器上执行B、黑客可以通过Unix系统Sendmail漏洞来获得口令C、Windows的Messenger服务向缓冲区保存消息数据之前没有正确检查消息长度D、溢出导致“黑客”病毒横行
在哪个文件中保存了sendmail的别名()。A./etc/aliasesB./etc/mailaliasesC./etc/sendmail.aliasesD./etc/sendmail/aliases
Whatistheproperwaytorefreshsendmail?() A.sendmail-btB.sendmail-baC.refresh-ssendmailD.startsrc-ssendmail
Whatcommandwouldbeusedtorestartthemaildaemon?() A.sendmail-biB.refresh-ssendmailC.restart-asendmailD./etc/sendmail.cf-stop/etc/sendmail.cf-start
What is the default configuration file used by the sendmail command?() A. /etc/rc/rc.mailB. /etc/mail.configC. /etc/sendmail.configD. /etc/mail/sendmail.cf
一般的,在RedHatLinux9系统中,下列的说法中正确的有()。A、Sendmail通过TCP端口25提供邮件服务,ipop3d通过TCP端口143提供邮件服务,imapd通过TCP端口110提供邮件服务。B、Sendmail通过UDP端口25提供邮件服务,ipop3d通过TCP端口110提供邮件服务,imapd通过TCP端口143提供邮件服务。C、Sendmail通过TCP端口25提供邮件服务,ipop3d通过UDP端口110提供邮件服务,imapd通过UDP端口143提供邮件服务。D、Sendmail通过TCP端口25提供邮件服务,ipop3d通过TCP端口110提供邮件服务,imapd通过TCP端口143提供邮件服务。
邮件服务器sendmail的主配置文件是()。A、/etc/named.confB、/etc/mail/sendmail.cfC、/etc/mail/sendmail.cwD、/etc/mail/sendmail.mc
在哪个文件中保存了sendmail的别名?()A、/etc/aliasesB、/etc/mailaliasesC、/etc/sendmail.aliasesD、/etc/sendmail/aliases
在RedHatLinux系统中,下列的说法中正确的有()。A、Sendmail通过TCP端口25提供邮件服务,ipop3d通过TCP端口143提供邮件服务,imapd通过TCP端口110提供邮件服务;B、Sendmail通过UDP端口25提供邮件服务,ipop3d通过TCP端口110提供邮件服务,imapd通过TCP端口143提供邮件服务;C、Sendmail通过TCP端口25提供邮件服务,ipop3d通过UDP端口110提供邮件服务,imapd通过UDP端口143提供邮件服务;D、Sendmail通过TCP端口25提供邮件服务,ipop3d通过TCP端口110提供邮件服务,imapd通过TCP端口143提供邮件服务。
What is the proper way to ensure that updates to the /etc/aliases file are seen by sendmail?()A、Refresh the named daemonB、Run the alias commandC、Refresh the snmpd daemonD、Run the sendmail -bi command
What command would be used to restart the mail daemon?()A、sendmail -biB、refresh -s sendmailC、restart -a sendmailD、/etc/sendmail.cf -stop /etc/sendmail.cf -start
What is the default configuration file used by the sendmail command?()A、/etc/rc/rc.mailB、/etc/mail.configC、/etc/sendmail.configD、/etc/mail/sendmail.cf
What is the proper way to refresh sendmail?()A、sendmail -btB、sendmail -baC、refresh -s sendmailD、startsrc -s sendmail
单选题邮件服务器sendmail的主配置文件是()。A/etc/named.confB/etc/mail/sendmail.cfC/etc/mail/sendmail.cwD/etc/mail/sendmail.mc
单选题What is the proper way to refresh sendmail?()Asendmail -btBsendmail -baCrefresh -s sendmailDstartsrc -s sendmail
单选题What is the default configuration file used by the sendmail command?()A/etc/rc/rc.mailB/etc/mail.configC/etc/sendmail.configD/etc/mail/sendmail.cf
单选题在哪个文件中保存了sendmail的别名?()A/etc/aliasesB/etc/mailaliasesC/etc/sendmail.aliasesD/etc/sendmail/aliases
单选题What command would be used to restart the mail daemon?()Asendmail -biBrefresh -s sendmailCrestart -a sendmailD/etc/sendmail.cf -stop /etc/sendmail.cf -start