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    /etc/passwd ±ØÐëËùÓÐÓû§¶¼¿É¶Á£¬rootÓû§¿Éд ¨Crw-r¡ªr¡ª 
    /etc/shadow Ö»ÓÐroot¿É¶Á ¨Cr-------- 
    /etc/group ±ØÐëËùÓÐÓû§¶¼¿É¶Á£¬rootÓû§¿Éд ¨Crw-r¡ªr¡ª 

1.2Ð޸IJ»±ØÒªµÄϵͳÕʺŠ
    ÒÆÈ¥»òÕßËø¶¨ÄÇЩϵͳÕʺţ¬±ÈÈçsys¡¢uucp¡¢nuucp¡¢listen¡¢lp¡¢admµÈµÈ£¬¼òµ¥µÄ°ì·¨ÊÇÔÚ/etc/shadowµÄpasswordÓòÖзÅÉÏNP×Ö·û¡£»¹¿ÉÒÔ¿¼Âǽ«/etc/passwdÎļþÖеÄshellÓòÉèÖóÉ/bin/false 

1.3Ð޸ĿÚÁî²ßÂÔ 
    ÐÞ¸Ä/etc/default/passwdÎļþ 
    MAXWEEKS=4 ¿ÚÁîÖÁÉÙÿ¸ô4ÐÇÆÚ¸ü¸ÄÒ»´Î 
    MINWEEKS=1 ¿ÚÁîÖÁ¶àÿ¸ô1ÐÇÆÚ¸ü¸ÄÒ»´Î 
    WARNWEEKS=3 Ð޸ĿÚÁîºóµÚÈý¸öÐÇÆÚ»áÊÕµ½¿ìÒªÐ޸ĿÚÁîµÄÐÅÏ¢ PASSLENGTH=6 Óû§¿ÚÁ¶È²»ÉÙÓÚ6¸ö×Ö·û

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    Ö´ÐÐÃüÁî#chmod -R go-w /etc 

2.2½ûÖ¹rootÔ¶³ÌµÇ¼ 
    ÔÚ/etc/default/loginÖÐÉèÖà
    CONSOLE=/dev/concle 

2.3setuidºÍsetgidÌØÊâȨÏÞ¡£ 
    SetuidÊÇÖ¸ÉèÖóÌÐòµÄÓÐЧִÐÐÓû§Éí·Ý(uid)Ϊ¸ÃÎļþµÄÊôÖ÷,¶ø²»Êǵ÷ÓøóÌÐò½ø³ÌµÄÓû§Éí·Ý¡£SetgidÓëÖ®ÀàËÆ¡£SetuidºÍsetgidÓÃ1s -1ÏÔʾ³öÀ´ÎªsȨÏÞ,´æÔÚÓÚÖ÷È˺ÍÊô×éµÄÖ´ÐÐȨÏÞµÄλÖÃÉÏ¡£ÏµÍ³ÉèÖÃÌØÊâȨÏÞ£¬Ê¹Óû§Ö´ÐÐijЩÃüÁîʱ,¾ßÓÐrootµÄÖ´ÐÐȨÏÞ, ÃüÁîÖ´ÐÐÍê³É, rootÉí·ÝÒ²ËæÖ®Ïûʧ¡£Òò´ËÌØÊâȨÏÞ¹ØÏµÏµÍ³µÄ°²È«£¬¿ÉÖ´ÐÐÃüÁî#find / -perm -4000 -print Ñ°ÕÒϵͳÖоßÓÐsetuidȨÏÞµÄÎļþ£¬´æÎªÁбíÎļþ£¬¶¨Ê±¼ì²éÓÐûÓÐÕâÖ®ÍâµÄÎļþ±»ÉèÖÃÁËsetuidȨÏÞ¡£ 

2.4É󼯲¢ÈÕÖ¾ËùÓÐÒÔrootÉí·ÝµÄµÇ½Çé¿ö 
    Ìí¼Ó»ò±à¼­/etc/default/loginÎļþÈçÏ£º 
    SYSLOG= YES 
    syslog¼Ç¼rootµÄµÇ½ʧ°Ü£¬³É¹¦µÄÇé¿ö¡£ 

2.5ÉèÖÃÔ¶³ÌµÇ½»á»°³¬Ê±Ê±¼ä 
    Ìí¼Ó»ò±à¼­/etc/default/loginÎļþÈçÏ£º 
    TIMEOUT= 300 

2.6È·¶¨µÇ½ÐèÒªÃÜÂëÑéÖ¤ 
    Ìí¼Ó»ò±à¼­/etc/default/loginÎļþÈçÏ£º 
    PASSREQ= YES 

2.7 UMASKÉèÖà
    umaskÃüÁîÉèÖÃÓû§ÎļþºÍĿ¼µÄÎļþ´´½¨È±Ê¡ÆÁ±ÎÖµ,Èô½«´ËÃüÁî·ÅÈë.profileÎļþ,¾Í¿É¿ØÖƸÃÓû§ºóÐøËù½¨ÎļþµÄ´æÈ¡Ðí¿É.umaskÃüÁîÓëchmodÃüÁîµÄ×÷ÓÃÕýºÃÏà·´,Ëü¸æËßϵͳÔÚ´´½¨Îļþʱ²»¸øÓèʲô´æÈ¡Ðí¿É. 
    °²×°ÅäÖÃÍê²Ù×÷ϵͳ֮ºóÈ·ÈÏrootµÄumaskÉèÖÃÊÇ077»òÕß027£¬Ö´ÐР
    /usr/bin/umask [-S] È·ÈÏ¡£ 


2.7.1Ôö¼Ó»òÐÞ¸Ä/etc/default/loginÎļþÖÐÈçÏÂÐР
    UMASK=027 

2.7.2²¢Ôö¼ÓÉÏÐе½ÈçϵÄÎļþÖУº 
    /etc/.login /etc/.profile /etc/skel/local.cshre 
    /etc/skel/local.login /etc/skel/local.profile 

2.8Óû§»·¾³ÅäÖÃÎļþµÄPATH»òÕßLD_LIBRARY_PATHÖÐÒÆÈ¥¡°.¡± ¡£ 
    ´ÓÈçϵÄÎļþÖÐÒÆ×ß¡±.¡±,È·ÈÏrootµÄPATH»·¾³±äÁ¿ÉèÖÃÊǰ²È«µÄ£¬Ó¦¸ÃÖ»°üº¬/usr/bin:/sbin:/usr/sbin£¬±ÜÃ⵱ǰ¹¤×÷Ŀ¼.³öÏÖÔÚPATH»·¾³±äÁ¿ÖУ¬ÕâÓÐÖúÓÚ¶Ô¿¹ÌØÂåÒÁľÂí¡£ 
    #echo $PATH | grep ":." È·ÈÏ 

    /.login /etc/.login ¡¡¡¡¡¡ /etc/default/login ¡¡ 
    /.cshrc /etc/skel/local.profile /etc/skel/local.cshrc 
    /.profile¡¡/etc/skel/local.login /etc/profile

Èý¡¢ÍøÂçÓë·þÎñ°²È«²ßÂÔ 
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3.1.1ÔÚinetd.confÖйرղ»ÓõķþÎñ 
    Ê×Ïȸ´ÖÆ/etc/inet/inetd.conf¡£ #cp /etc/inet/inetd.conf /etc/inet/inetd.conf.backupÈ»ºóÓÃvi±à¼­Æ÷±à¼­inetd.confÎļþ£¬¶ÔÓÚÐèҪעÊ͵ôµÄ·þÎñÔÚÏàÓ¦ÐпªÍ·±ê¼Ç¡°#¡±×Ö·û¼´¿É¡£ 

3.1.2ÔÚServicesÖйرղ»ÓõķþÎñ 
    Ê×Ïȸ´ÖÆ/etc/inet/services¡£ #cp /etc/inet/services /etc/inet/services.backup 
È»ºóÓÃvi±à¼­Æ÷±à¼­ServicesÎļþ£¬¶ÔÓÚÐèҪעÊ͵ôµÄ·þÎñÔÚÏàÓ¦ÐпªÍ·±ê¼Ç¡°#¡±×Ö·û¼´¿É¡£ 
ÔÚinetd.conf¡¢servicesÖнøÐÐÐ޸ĺó£¬ÕÒµ½inetd½ø³ÌµÄIDºÅ£¬ÓÃkillÏòÆä·¢ËÍHUPÐźŽøÐÐˢС£¾ÙÀýÈçÏ¡£ 
    #ps -ef | grep inetd 
    #kill -HUP ½ø³ÌºÅ »ò/usr/sbin/inetd ¨Cs ¨Ct 
    Ôö¼Ó-tÑ¡ÏîÒÔ¼ÓÇ¿ÍøÂç·ÃÎÊ¿ØÖÆ 

3.1.3¸ù¾ÝÐèÒª¹Ø±Õ²»ÓõķþÎñ 
    ¿É¹Ø±ÕÈçÏ·þÎñ£ºtftp¡¢ypupdate(NIS³ÌÐò)¡¢ dtspcd(ÓʼþÊÕ·¢³ÌÐò) ¡¢rquotad¡¢name¡¢uucp(ÍøÂçʵÓÃϵͳ)¡¢snmp(¼òµ¥ÍøÂç¹ÜÀíЭÒé)µÈ¡£ 

3.2¹Ø±ÕϵͳµÄ×ÔÆô¶¯·þÎñ 
    ÔÚϵͳ/etc/rc*.dµÄĿ¼Ï£¬¸ù¾ÝÐèҪͣÓÃÒÔÏ·þÎñ: 
    sendmail °Ñ/etc/rc2.d/S88sendmai¸üÃûΪtc/rc2.d/X88sendmail 
    DNS ½«/etc/rc2.d/S72inetsv×¢Ê͵ôin.namedÒ»Ïî 
    lp °Ñ/etc/rc2.d/S80lp¸üÃûΪ /etc/rc2.d/X80lp 
    uucp °Ñ/etc/rc2.d/S70uucp¸üÃûΪ/etc/rc2.d/x70uucp 
    snmp°Ñ/etc/rc3.d/S76snmpdxºÍ /etc/rc3.d/S77dmi ¸üÃû Îª/etc/rc3.d/s76snmpdxºÍ/etc/rc3.d/s77dmi 
    autoinstall °Ñ/etc/rc2.d/S72autoinstallg¸üÃûΪ/etc/rc2.d/s72autoinstall 

3.3¼ÓÇ¿FTP·þÎñ°²È« 
3.3.1½ûֹϵͳÓû§µÄFTP·þÎñ 
    °ÑËùÓеÄϵͳÕË»§¼ÓÈëµ½/etc/ftpusers(solaris 9µÄ¸ÃÎļþÏÖ¸ü¸ÄΪ/etc/ftpd/ftpusers)Îļþ£º 
    root ¡¢daemon¡¢sys¡¢bin¡¢adm¡¢lp¡¢uucp¡¢nuucp¡¢listen¡¢nobody 

3.3.2½ûÖ¹FTP&·þÎñ±©Â¶ÏµÍ³Ãô¸ÐÐÅÏ¢ 
    ±à¼­/etc/default/ftpdÎļþ£¬¼ÙÈçÎļþ²»´æÔÚ¾Íн¨Ò»¸ö£¬ÔÚÎļþÖеļӽøÈëÏÂÒ»Ï    BANNER=XXXX(XXXX¿ÉÒÔÈÎÒâ¸Ä±äΪÈκÎÒ»¸ö°æ±¾ÐÅÏ¢)£¬½«¸Ãϵͳ°æ±¾ÐÅÏ¢ÆÁ±Î. 

3.3.3ftp·þÎñ»á»°ÈÕÖ¾¼Ç¼ 
    /etc/inet/inetd.confÖеÄftpdΪ£¨¼Ç¼£© 
    ftp stream tcp nowait root /usr/sbin/in.ftpd in.ftpd ¨Cdl 

3.4¼ÓÇ¿Telnet·þÎñ°²È« 
3.4.1½ûÖ¹Telnet·þÎñ±©Â¶ÏµÍ³Ãô¸ÐÐÅÏ¢ 
    ·ÀÖ¹telnetd bannerй¶ÐÅÏ¢ £¬ÐÞ¸Ä/etc/default/telnetdÎļþ £¬¼ÓÈëÒÔÏÂÒ»ÏBANNER=XXXX(XXXX¿ÉÒÔÈÎÒâ¸Ä±äΪÈκÎÒ»¸ö°æ±¾ÐÅÏ¢)£¬½«¸Ãϵͳ°æ±¾ÐÅÏ¢ÆÁ±Î. 

3.4.2¸ü¸ÄTelnet·þÎñ¶Ë¿ÚºÅ 
    ÐÞ¸ÄÎļþ/etc/servicesµÄTelnetÒ»Ï½«¶Ë¿ÚºÅ¸ÄΪ·Ç23£¬Ê¹ÓÃTelnet·þÎñʱÐè×¢Ã÷¶Ë¿ÚºÅ¡£ 

3.5¼ÓÇ¿NFS·þÎñ°²È« 
    ¼ì²é/etc/dfs/dfstabÎļþshareÓï¾ä£¬È±Ê¡Ê±¹²ÏíĿ¼Ϊ¿É¶Á¿Éд£¬¼ÓÈë¡°-o¡±Ñ¡ÏîÔö¼Ó°²È«£¬¡°-o rw¡±¿É¶Á¿Éд£¬¡°-o ro¡±Ö»¶Á£¬¿ÉÊÚȨijϵͳºÍijÓû§¡£ 

3.6·ÀÖ¹TCPÐòÁкÅÔ¤²â¹¥»÷(ipÆÛÆ­) 
    ÔÚ/etc/default/inetinitÖÐÔö¼ÓÉèÖÃÀ´·ÀÖ¹TCPÐòÁкÅÔ¤²â¹¥»÷(ipÆÛÆ­)TCP_STRONG_ISS=2 

3.7ϵͳ·Óɰ²È« 
    Èç¹ûSolaris»úÆ÷Óг¬¹ýÒ»¿éµÄÍø¿¨µÄ»°£¬Ëü½«»áÔÚ²»Í¬Íø¿¨¼äת·¢Êý¾Ý°ü£¬ÕâÒ»ÐÐΪ¿ÉÒÔÔÚ/etc/init.d/inetinitÖеõ½¿ØÖÆ¡£ÒªÔÚSolaris 2.4»òÕ߸üµÍ°æ±¾»úÆ÷ϹرÕËü£¬¿ÉÒÔ½«ndd -set /dev/ip ip_forwarding 0Ìí¼ÓÓÚÔÚinetinitÎļþδβ¡£ÔÚSolaris 2.5ÒÔÉÏ£¬Ö»Òªtouch /etc/notrouter.ÍøÂçϵͳÓþ²Ì¬Â·ÓɱȽϰ²È«¡£ 

3.8µ÷ÕûÍøÂç²ÎÊý£¬¼ÓÇ¿ÍøÂ簲ȫ 
    Ê¹IP forwardingºÍsourec routing(Դ·)ÓÉÎÞЧ 
    ÔÚInetinitÖÐʹIP forwardingºÍsourec routing(Դ·)ÓÉÎÞЧ(¼ÙÈçÓг¬¹ýÒ»¸öÍøÂç½Ó¿ÚµÄ»°)¡£ÔÚ/etc/init.d/inetinitÖÐÔö¼ÓÏÂÃæËùʾÉèÖÃ: 
    ½ûֹϵͳת·¢¶¨Ïò¹ã²¥°ü 
    #ndd -set /dev/ip ip_forward_directed_broadcasts 0 
    ¹Ø±Õԭ·ÓÉѰַ £º#ndd -set /dev/ip ip_forward_src_routed 0 
    ½ûֹϵͳת·¢IP°ü£º#ndd -set /dev/ip ip_forwarding 0 
    Ëõ¶ÌARPµÄcache±£´æÊ±¼ä: (default is 5 min) 
    #ndd -set /dev/arp arp_cleanup_interval 2 min 
    ¹Ø±Õecho¹ã²¥À´·ÀÖ¹ping¹¥»÷£¨ # default is 1 £© 
    #ndd -set /dev/ip ip_respond_to_echo_broadcast 0

ËÄ¡¢·ÀÖ¹¶ÑÕ»»º³åÒæ³ö°²È«²ßÂÔ 
    ÈëÇÖÕß³£³£Ê¹ÓõÄÒ»ÖÖÀûÓÃϵͳ©¶´µÄ·½Ê½ÊǶÑÕ»Òç³ö£¬ËûÃÇÔÚ¶ÑÕ»ÀïÇÉÃîµØ²åÈëÒ»¶Î´úÂ룬ÀûÓÃËüÃǵÄÒç³öÀ´Ö´ÐУ¬ÒÔ»ñµÃ¶ÔϵͳµÄijÖÖȨÏÞ¡£ÒªÈÃÄãµÄϵͳÔÚ¶ÑÕ»»º³åÒç³ö¹¥»÷Öиü²»Ò×ÊÜÇÖº¦£¬Äã¿ÉÒÔÔÚ/etc/systemÀï¼ÓÉÏÈçÏÂÓï¾ä£ºset noexec_user_stack=1 
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 ¡¤nisÏÂsolarisºÍlinxuµÄclient.ʵÏÖautofs  (2006-06-25 15:10:08)
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