{"id":822,"date":"2012-06-10T02:02:52","date_gmt":"2012-06-09T18:02:52","guid":{"rendered":"http:\/\/www.huzs.top\/?p=822"},"modified":"2012-06-10T02:02:52","modified_gmt":"2012-06-09T18:02:52","slug":"128mb-vps-%e4%b8%8a%e4%bc%98%e5%8c%96-centos-5","status":"publish","type":"post","link":"https:\/\/www.huzs.top\/?p=822","title":{"rendered":"128MB VPS \u4e0a\u4f18\u5316 CentOS 5"},"content":{"rendered":"<p>CentOS \u662f\u4e00\u4e2a\u6784\u5efa\u5728 Red Hat\u00a0Enterprise Linux (RHEL) \u6e90\u4ee3\u7801\u4e0a\u7684 Linux \u53d1\u884c\u7248\uff0c\u5e76\u4e14\u4ece\u4e8c\u8fdb\u5236\u7684\u89d2\u5ea6100%\u517c\u5bb9 RHEL \u8f6f\u4ef6\u5305\uff0c\u7b80\u5355\u7684\u8bf4 RHEL\u4e0a \u53ef\u4ee5\u8fd0\u884c\u7684\u8f6f\u4ef6\u5305\u5728 CentOS \u4e0a\u4e0d\u9700\u8981\u7f16\u8bd1\u5c31\u53ef\u4ee5\u76f4\u63a5\u5b89\u88c5\u8fd0\u884c\u3002\u9664\u4e86\u5c11\u91cf\u7684\u7248\u6743\u4fe1\u606f\u5916\uff0cCentOS \u548c RHEL \u57fa\u672c\u4e0a\u4e00\u6837\u3002CentOS \u662f\u514d\u8d39\u7684\uff0c\u5e76\u4e14\u6709\u7740 RHEL \u7684\u7a33\u5b9a\uff0c\u56e0\u6b64\u6df1\u53d7\u5404\u5927 hosting \u670d\u52a1\u5546\u652f\u6301\uff0c\u51e0\u4e4e\u6240\u6709 Linux VPS \u90fd\u652f\u6301 CentOS\u3002\\n\\n\u4e00\u822c\u6765\u8bf4\u5982\u679c VPS \u914d\u7f6e\u8f83\u9ad8\u6211\u4f1a\u9009 CentOS\uff0c\u914d\u7f6e\u4f4e\u7684\u8bdd\u5c31\u9009 Debian\uff0c\u5f53\u7136\u8fd9\u662f\u4e2a\u4eba\u504f\u597d\uff0c\u5927\u591a\u6570 Linux VPS \u670d\u52a1\u5546\u4e5f\u4f1a\u63d0\u4f9b Gentoo\uff0c\u4e0d\u8fc7\u6bcf\u6b21\u5b89\u88c5\u7a0b\u5e8f\uff0c\u5347\u7ea7\u90fd\u8981\u7f16\u8bd1\u4f1a\u6d88\u8017\u5f88\u591a\u8d44\u6e90\uff0c\u8017\u65f6\uff0c\u800c\u4e14\u6027\u80fd\u6ca1\u6709\u660e\u663e\u63d0\u9ad8\uff0c\u4e0d\u63a8\u8350\u7ed9\u914d\u7f6e\u4f4e\u7684 VPS\u3002\\n\\nVPS \u670d\u52a1\u5546\u4e00\u822c\u7ed9\u7684\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\u90fd\u662f\u6700\u5c0f\u5b89\u88c5\u7248\u672c\uff0c\u6216\u8005\u4f18\u5316\u8fc7\u7684\u7248\u672c\u3002\u6bcf\u4e2a VPS \u670d\u52a1\u5546\u63d0\u4f9b\u7684\u7248\u672c\u90fd\u53ef\u80fd\u4e0d\u540c\uff0c\u5b89\u88c5 CentOS \u7684\u7cfb\u7edf\u6700\u4f4e\u8981\u6c42\u81f3\u5c11 64MB \u5185\u5b58\uff08\u7eaf\u6587\u5b57\u754c\u9762\uff09\uff0c1GB \u786c\u76d8\u7a7a\u95f4\u3002\\n<\/p>\n<h2>\u5b89\u88c5\u548c\u5347\u7ea7\u7cfb\u7edf<\/h2>\n<p>\\n1\u3001\u767b\u5f55 VPS \u5b89\u88c5 CentOS 5\u3002\\n\\n2\u3001\u5b89\u88c5\u5b8c\u6bd5\u540e\u9a6c\u4e0a\u5347\u7ea7\u6574\u4e2a\u7cfb\u7edf\u3002\\n<\/p>\n<pre>yum update<\/pre>\n<p>\\n\u6709\u4e86\u4e00\u4e2a\u5e72\u51c0\u7684\u7cfb\u7edf\u4ee5\u540e\uff0c\u5269\u4e0b\u6765\u5c31\u662f\u52a0\u5f3a\u548c\u4f18\u5316 Linux\u3002\\n<\/p>\n<h2>\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u8f6f\u4ef6\u5305\uff0c\u670d\u52a1\uff0c\u7528\u6237\uff0c\u6587\u4ef6\u7b49<\/h2>\n<p>\\n3\u3001\u5220\u9664\u4e0d\u9700\u8981\u7684\u8f6f\u4ef6\u5305\u3002<!--more-->\\n<\/p>\n<pre>yum remove Deployment_Guide-en-US finger cups-libs cups\\nbluez-libs desktop-file-utils ppp rp-pppoe wireless-tools irda-utils\\nnfs-utils nfs-utils-lib rdate fetchmail eject ksh mkbootdisk mtools\\nsyslinux tcsh startup-notification talk apmd rmt dump setserial portmap yp-tools\\nypbind<\/pre>\n<p>\\n<\/p>\n<blockquote><p>rpm -qa (\u5217\u51fa\u6240\u6709\u5b89\u88c5\u4e86\u7684\u5305)\\nrpm -e package (\u5220\u9664\u67d0\u4e2a\u5305)\\nrpm -qi package (\u67e5\u8be2\u67d0\u4e2a\u5305)\\nrpm -qf command (\u6839\u636e\u7a0b\u5e8f\u67e5\u8be2\u5305\u7684\u540d\u5b57)\\nrpm -ql package (\u67e5\u8be2\u67d0\u4e2a\u5305\u6240\u6709\u7684\u5b89\u88c5\u6587\u4ef6)<\/p><\/blockquote>\n<p>\\n4\u3001\u5220\u9664\u4e00\u4e9b\u4e0d\u5b89\u5168\u7684\u8f6f\u4ef6\u5305\uff0c\u5e76\u4e14\u7528\u76f8\u5e94\u5b89\u5168\u7684\u8f6f\u4ef6\u66ff\u4ee3\uff0c\u5982: ssh\/sftp\/scp \u66ff\u4ee3 telnet, rsh, ftp, rcp\\n\u6ce8\u610f<strong>\u7cfb\u7edf\u9700\u8981\u4e00\u4e2a\u9ed8\u8ba4\u7684 MAT<\/strong>\uff0c\u5220\u9664 Sendmail MAT \u4e4b\u524d\u5fc5\u987b\u5148\u5b89\u88c5\u4e00\u4e2a\uff0c\u5982: Postfix\u3002\\n<\/p>\n<pre>yum remove telnet rsh ftp rcp\\nyum install postfix\\nyum remove sendmail\\n\/sbin\/chkconfig postfix off<\/pre>\n<p>\\n5\u3001\u505c\u6389\u5e76\u4e14\u5220\u9664\u4e00\u4e9b\u4e0d\u9700\u8981\u7684 xinetd \u670d\u52a1\u3002\\n<\/p>\n<pre>\/sbin\/service xinetd stop; \/sbin\/chkconfig xinetd off\\nrm -rf \/etc\/xinetd.d<\/pre>\n<p>\\n6\u3001\u7981\u6b62\u4e00\u4e9b \/etc\/init.d\/ \u4e0b\u9762\u4e0d\u9700\u8981\u7684\u670d\u52a1\uff0c\u66f4\u591a\u4fe1\u606f\u8bf7\u53c2\u8003 <a href=\"http:\/\/magazine.redhat.com\/2007\/03\/09\/understanding-your-red-hat-enterprise-linux-daemons\/\">Understanding your (Red Hat Enterprise Linux) daemons, by Len DiMaggio<\/a> \u548c <a href=\"http:\/\/www.nsa.gov\/ia\/_files\/os\/redhat\/rhel5-pamphlet-i731.pdf\">Hardening Tips For Default Installation of Red Hat Enterprise Linux 5<\/a>.\\n<\/p>\n<pre>\/sbin\/chkconfig --list\\n\\nfor a in acpid anacron apmd atd autofs avahi-daemon bluetooth cpuspeed \\ncups firstboot gpm haldaemon hidd ip6tables irqbalance isdn kdump \\nkudzumcstrans messagebus microcode_ctl netfs nfs nfslock pcscd portmap \\nreadahead_early readahead_later rpcgssd rpcidmapd sendmail \\nsetroublesshoot smartd xfs xinetd yum-updatesd; \\ndo \/sbin\/chkconfig $a off; done<\/pre>\n<p>\\n7\u3001\u91cd\u542f\u7cfb\u7edf\u540e\uff0c\u68c0\u67e5\u4e00\u4e0b\u6b63\u5728\u8fd0\u884c\u4e2d\u7684\u670d\u52a1\uff0c\u770b\u770b\u662f\u4e0d\u662f\u90fd\u662f\u5fc5\u987b\u7684\u3002\\n<\/p>\n<pre>netstat -an | grep LISTEN\\nnetstat -atunp<\/pre>\n<p>\\n8\u3001\u4e3a\u4e86\u5b89\u5168\u8d77\u89c1\uff0c\u5220\u9664\u4e00\u4e9b\u4e0d\u9700\u8981\u7684\u7528\u6237\u3002\\n<\/p>\n<pre>cp \/etc\/passwd \/etc\/passwd.sav\\ncp \/etc\/group \/etc\/group.sav\\nfor a in adm lp sync news uucp operator games gopher mailnull nscd rpc;\\ndo \/usr\/sbin\/userdel $a -f; done\\nfor a in lp news uucp games gopher users floopy nscd rpc rpcuser nfsnobody;\\ndo \/usr\/sbin\/groupdel $a -f; done<\/pre>\n<p>\\n<\/p>\n<h2>\u52a0\u56fa\u548c\u4f18\u5316\u7cfb\u7edf<\/h2>\n<p>\\n9\u3001\u6253\u5f00\u9632\u706b\u5899\u3002\\n<\/p>\n<pre>system-config-securitylevel-tui<\/pre>\n<p>\\n10\u3001\u68c0\u67e5\u548c\u7981\u6b62\u5168\u5c40\u53ef\u5199\u7684 SUID \u6587\u4ef6\u3002\\n<\/p>\n<pre>find \/ -perm +4000 -user root -type f -print\\nfind \/ -perm +2000 -group root -type f -print\\nchmod u-s \/full\/path\/to\/filename\\nchmod g-s \/full\/path\/to\/filename<\/pre>\n<p>\\n11\u3001\u53ea\u5141\u8bb8 root \u5728\u4e00\u4e2a terminal \u4e0a\u767b\u5f55\uff0c\u5982: tty1\u3002\\n<\/p>\n<pre>vi \/etc\/securetty<\/pre>\n<p>\\n12\u3001\u907f\u514d\u5176\u4ed6\u7528\u6237\u6309 Ctrl+Alt+Del \u91cd\u542f\u3002\\n<\/p>\n<pre>vi \/etc\/inittab<\/pre>\n<p>\\n\u6ce8\u91ca\u6389\\n#ca::ctrlaltdel:\/sbin\/shutdown -t3 -r now\\n\\n13\u3001\/etc\/security\/console.apps\/ \u4e0b\u9762\u6709 root \u7528\u6237\u767b\u5f55 console \u540e\u53ef\u4ee5\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u5168\u90e8\u5220\u9664\u3002\\nrm -f \/etc\/security\/console.apps\/*\\n\\n14\u3001\u5220\u9664\u4e00\u4e9b\u767b\u5f55\u4fe1\u606f\u3002\\n<\/p>\n<pre>vi \/etc\/issue (warning at login prompt)\\nvi \/etc\/motd (warning after successful login)<\/pre>\n<p>\\n15\u3001\u53ea\u8fd0\u884c\u4e00\u4e2a virtual terminal\uff0c\u5982\u679c\u662f VPS \u7684\u8bdd\uff0c\u81ea\u5df1\u4e0d\u53ef\u80fd\u7269\u7406\u767b\u5f55\u7ec8\u7aef\uff0c\u53ef\u4ee5\u5168\u90e8\u7981\u6b62\u6389\u3002\\n<\/p>\n<pre>vi \/etc\/inittab\\n# Run gettys in standard runlevels\\n#1:2345:respawn:\/sbin\/mingetty tty1\\n#2:2345:respawn:\/sbin\/mingetty tty2\\n...<\/pre>\n<p>\\n16\u3001\u52a0\u56fa SSH \u5b89\u5168\u3002\\n<\/p>\n<pre>vi \/etc\/ssh\/sshd_config\\nPort 2222\\nProtocol 2\\nPermitRootLogin no\\nPermitEmptyPasswords no\\nX11Forwarding no\\nUsePAM no\\nUseDNS no\\nAllowUsers vpsee\\nBanner \/etc\/issue<\/pre>\n<p>\\n17\u3001\u5b89\u88c5 Bastille \u8f6f\u4ef6\u5305\u5e2e\u52a9\u52a0\u56fa\u3002\\n<\/p>\n<pre>rpm -Uvh perl-Curses-1.15-1.el5.rf.i386.rpm\\nrpm -ivh Bastille-3.0.9-1.0.noarch.rpm\\n\/usr\/sbin\/bastille -c<\/pre>\n<p>\\n18\u3001\u4f18\u5316 Linux \u5185\u6838\u3002\\n<\/p>\n<pre>vi \/etc\/sysctl.conf\\nnet.ipv4.conf.all.send_redirects = 0\\nnet.ipv4.conf.all.accept_redirects = 0<\/pre>\n<p>\\n<\/p>\n<h2>\u5b9a\u5236 Linux \u5185\u6838<\/h2>\n<p>\\n19\u3001\u5b9a\u5236\uff0c\u7f16\u8bd1\uff0c\u5b89\u88c5 Linux \u5185\u6838\u3002\\n<\/p>\n<pre>yum install rpm-build ncurses ncurses-devel\\nrpm -ivh kernel-2.6.18-8.1.1.el5.src.rpm\\ncd \/usr\/src\/redhat\/SPECS\\nrpmbuild -bp --target i686 kernel-2.6.spec\\ncd \/usr\/src\/redhat\/BUILD\/kernel-2.6.18\/linux-2.6.18.i686\\nsed -i 's\/EXTRAVERSION = -prep\/EXTRAVERSION = -8.1.1.custom.el5\/' Makefile\\nmake menuconfig\\nmake rpm\\ncd \/usr\/src\/redhat\/RPMS\/i686\\nrpm -ivh kernel-2.6.18prep-1.rpm\\n\/sbin\/mkinitrd \/boot\/initrd-2.6.18-prep.img 2.6.18-prep (2.6.18-prep -&gt; \/lib\/modules)\\nvi \/boot\/grub\/menu.1st<\/pre>\n<p>\\n20\u3001\u4fee\u6539 iptables\uff0c\u53ea\u5141\u8bb8 ssh\uff0chttp \u548c https \u7aef\u53e3\u6253\u5f00\u3002\\n<\/p>\n<pre>\/sbin\/iptables -F\\n\/sbin\/iptables -A INPUT -i lo -j ACCEPT\\n\/sbin\/iptables -A INPUT -i ! lo -d 127.0.0.0\/8 -j REJECT\\n\/sbin\/iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT\\n\/sbin\/iptables -A OUTPUT -j ACCEPT\\n\/sbin\/iptables -A INPUT -p tcp --dport 80 -j ACCEPT\\n\/sbin\/iptables -A INPUT -p tcp --dport 443 -j ACCEPT\\n\/sbin\/iptables -A INPUT -p tcp -m state --state NEW --dport 22 -j ACCEPT\\n\/sbin\/iptables -A INPUT -p icmp -m icmp --icmp-type 8 -j ACCEPT\\n\/sbin\/iptables -A INPUT -j REJECT\\n\/sbin\/iptables -A FORWARD -j REJECT<\/pre>\n<p>\\n\u7136\u540e\u67e5\u770b\u4e00\u4e0b iptables\uff1a\\n<\/p>\n<pre>iptables -L<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>CentOS \u662f\u4e00\u4e2a\u6784\u5efa\u5728 Red Hat\u00a0Enterprise Linux (RHEL) \u6e90\u4ee3\u7801\u4e0a\u7684 Lin [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-822","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts\/822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=822"}],"version-history":[{"count":0,"href":"https:\/\/www.huzs.top\/index.php?rest_route=\/wp\/v2\/posts\/822\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.huzs.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}