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从年初开始,本人退休在家,闲暇较多,逛论坛已经是每天的必修课了,至今已然成为了234平台的忠实会员,发帖和回贴都比较踊跃,且每天在线的时长达六小时之久。近日见234平台屡遭恶意攻击,心中实是不悦与愤慨。
因本人略有些网络常识,特建议如下,勿笑班门弄斧。
1、Server
选择一个安全性较好的Server或virtual host的提供商。
2、Server OS
Server(或virtual host)不论托管还是自建,建议将操作系统升级至 Windows 2008 Server R2。
3、Patch
通过WSUS自动为操作系统更新补丁程序。
4、Service Port
关闭除http,https,TCP/IP,FTP,telnet,ping,tracert……等与WEB相关的不必要端口。
5、Firewall
强列建议在Server(或virtual host)入口前端加装一个Cisco ASA 5520的硬件防火墙,里面可以做一些相应的安全策略,效果相当好。
Remark:
object-group service G_Tcp_Services tcp
port-object eq ftp
port-object eq ftp-data
port-object eq www
port-object eq https
port-object eq aol
port-object eq chargen
port-object eq cifs
port-object eq citrix-ica
port-object eq ctiqbe
port-object eq daytime
port-object eq discard
port-object eq domain
port-object eq echo
port-object eq exec
port-object eq finger
port-object eq gopher
port-object eq h323
port-object eq hostname
port-object eq ident
port-object eq imap4
port-object eq irc
port-object eq kerberos
port-object eq klogin
port-object eq kshell
port-object eq ldap
port-object eq ldaps
port-object eq login
port-object eq lotusnotes
port-object eq lpd
port-object eq netbios-ssn
port-object eq nfs
port-object eq nntp
port-object eq pcanywhere-data
port-object eq pim-auto-rp
port-object eq pop3
port-object eq rsh
port-object eq rtsp
port-object eq sip
port-object eq smtp
port-object eq sqlnet
port-object eq ssh
port-object eq sunrpc
port-object eq tacacs
port-object eq talk
port-object eq telnet
port-object eq uucp
port-object eq whois
object-group service G_Udp_Services udp
port-object eq biff
port-object eq cifs
port-object eq discard
port-object eq dnsix
port-object eq domain
port-object eq echo
port-object eq www
port-object eq isakmp
port-object eq kerberos
port-object eq mobile-ip
port-object eq nameserver
port-object eq netbios-dgm
port-object eq netbios-ns
port-object eq nfs
port-object eq ntp
port-object eq pcanywhere-status
port-object eq pim-auto-rp
port-object eq radius
port-object eq radius-acct
port-object eq rip
port-object eq secureid-udp
port-object eq sip
port-object eq snmp
port-object eq snmptrap
port-object eq sunrpc
port-object eq syslog
port-object eq tacacs
port-object eq talk
port-object eq tftp
port-object eq time
port-object eq who
port-object eq xdmcp
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