[root@localhost ~]# chkconfig --list | grep 3:on apache 0:off 1:off 2:on 3:on 4:off 5:on 6:off crond 0:off 1:off 2:on 3:on 4:on 5:on 6:off dhcdbd 0:off 1:off 2:on 3:on 4:on 5:on 6:off iptables 0:off 1:off 2:on 3:on 4:on 5:on 6:off mcstrans 0:off 1:off 2:on 3:on 4:on 5:on 6:off messagebus 0:off 1:off 2:off 3:on 4:on 5:on 6:off microcode_ctl 0:off 1:off 2:on 3:on 4:on 5:on 6:off mysql 0:off 1:off 2:on 3:on 4:on 5:on 6:off network 0:off 1:off 2:on 3:on 4:on 5:on 6:off readahead_early 0:off 1:off 2:on 3:on 4:on 5:on 6:off restorecond 0:off 1:off 2:on 3:on 4:on 5:on 6:off smartd 0:off 1:off 2:on 3:on 4:on 5:on 6:off sshd 0:off 1:off 2:on 3:on 4:on 5:on 6:off syslog 0:off 1:off 2:on 3:on 4:on 5:on 6:off yum-updatesd 0:off 1:off 2:off 3:on 4:on 5:on 6:off
[root@localhost ~]# netstat -ntlp Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 1650/mysqld tcp 0 0 0.0.0.0:6160 0.0.0.0:* LISTEN 1725/phlinux tcp 0 0 :::80 :::* LISTEN 1669/httpd tcp 0 0 :::22 :::* LISTEN 1595/sshd
正在扫描: 192.168.1.6 [端口] | [说明] ---------------------------------------------------------------------------- 21 文件传输协议(控制) 22 SSH远程登录协议 80 全球信息网超文本传输协议(www) 3306 mysql的端口 6160 花生壳通讯端口 ---------------------------------------------------------------------------- 扫描完成! [ 日期:2007-08-13 时间: 12:19 ]
[root@localhost ~]# ftp 127.0.0.1 ftp: connect: Connection refused ftp>
1.C:\Documents and Settings\Administrator>telnet 192.168.1.6 21 2.telnet连接成功,但是无提示符,只进入一个空白CMD窗口,可见的唯有闪动的游标 3.在刚才的窗口按任意键,telnet连接退出 图偶弄不出来,telnet连接后,按任何键包括鼠标左右键单击,都会导致telnet退出
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