RHCE考试笔记

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1、Iptables–FIptables–XIptables–ZIptables–vnLServiceiptablessaveServiceiptablesrestartIptables–LSSHCat/etc/passwdUseraddharryPasswdharryVim/etc/hosts.allowSshd:.example.comVim/etc/hosts.denySshd:.remote.testSshdFTPYum–yinstallvsftpd*ChkconfigvsftpdonServicevsftpdrestartLftpdesktop13.example.comVi

2、m/etc/hosts.denyVsftpd:ALLVim/etc/hosts.allowVsftpd:.example.comServicevsftpdrestartChkconfigvsftpdonLftpdesktop13.example.comPop3Yum–yinstallsendmail*Yum–yinstalldovecot*ServicesendmailrestartChkconfigsendmailonServicedovecotrestartChkconfigdovecotonCd/etc/mailVimlocal-host-nameExample.comDes

3、ktop13.example.comVimaccessConnect:example.comRELAYConnect:remote.testREJECTServicesendmailrestartChkconcfigsendmailonYum–yinstalltelnet*telnetdesktop13.example.com25vim/etc/dovecot.confprotocol=imapspop3servicedovecotrestartchkconfigdovecotonnetatat–tunlp

4、grepdovecotiptables–vnLiptables–AINPU

5、T–s!192.168.0.0/24iptables–AINPUT–ilo–jACCEPTyum–yinstallmutt*mutt–fpop://mary@deaktop13.example.com:110tail/var/log/maillogSAMBAYum–yinstallsamba*ServicesmbrestartChkconfigsmbonCd/etc/sambaCpsamba.conf{,.orig}Vimsmb.confWorkgroup=SAMBA192.168.0.[common]Path=/commonBrowseable=yesValid=maryServ

6、icesbmrestartChkconfigsmbonSmbpasswd–amaryServicesmbrestartChkconfigsmbonTestparmTestparm/etc/samba/samba.confdesktop13.example.com192.168.0.13Testparm/etc/samba/samba.confremote33.remote.test192.168.1.13Netatat–tunlp

7、grepsmbChcon–R–tsamba_share_t/commonSmbclient–Ldesktop13.example.comSmbclien

8、t//desktop13.example.com/common–Umary%passwordHTTPYum–yinstallhttpd*LftpinstructorGetCpdesktop.htmlindex.htmlCoindex.html/var/www/htmlChkconfighttpdonServicehttpdrestartNetstat–tunlp

9、grephttpdLinks–dumphttp://desktop13.example.com(chcon–R–referentce=/var/www/html/var/www/html/index.html)Virtua

10、lMkdir/var/www/virtualChgrpharryvirtualChmodg+svirtualCd/var/www/virtualLftpinstructorGetcpstation.htmlindex.htmlcpindex.html/var/www/virtual/index.htmlcdcd/etc/httpd/confvimhttpd.confchkconfighttpdonservicehttpdrestartlinks–dumphttpd:/