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diff of sis11

page id: 676, 2740 hits, unlocked, unhidden, current: v3
v1:2004-08-22 15:55:26(2,650), v2:2004-08-22 16:37:45(7,574)
diff v1:ºü¹Ù±â v2:ºü¹Ù±â

= ! °ü¸®¹æ¾î °ø°£ 11-20
=
= \TableOfContents0
=
= !! level 11
=
= + Ç®ÀÌ ¹æ¹ý
= # __/etc/shadow__ ÆÄÀÏ ÆíÁý
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
= # vi shadow
= root:6RBFY9mqyrfq.:6445::::::
= daemon:NP:6445::::::
= bin:NP:6445::::::
= sys:NP:6445::::::
= adm:NP:6445::::::
= listen:*LK*:::::::
= nobody:NP:6445::::::
= yspace:NP:11648:1:14:::: // 1Àº Æнº¿öµå º¯°æÈÄ À纯°æ ½Ã°£ 14´Â Æнº¿öµå º¯°æ ±â°£
= "shadow" 12 lines, 249 characters written
= # finish
= }}}
=
= > pass = <font color=red>lifecycle</font>
=
= !! level 12
=
= + Ç®ÀÌ ¹æ¹ý
= # __rm__ ¸í·É ±âÁ¸ ÆÄÀÏ »èÁ¦
= # .rhost µð·ºÅ丮 »ý¼ºÈÄ µð·ºÅ丮 ¾È¿¡ ÆÛ¹Ì¼Ç 000ÀÎ ÆÄÀÏ »ý¼º
= # .rhost µð·ºÅ丮 __chmod__ ¸í·É »ç¿ë ÆÛ¹Ì¼Ç 000 º¯°æ
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
= # cd home0/yspace
= # ls -la
= ÃÑ 4
= drwxrwxrwx 2 yspace 200 512 8¿ù 22ÀÏ 16:12 .
= drwxr-xr-x 5 root other 512 8¿ù 22ÀÏ 16:12 ..
= -rw-rw-r-- 1 yspace 200 0 8¿ù 22ÀÏ 16:12 .rhosts
= # rm .rhosts
= rm: .rhosts: µ¤¾î¾²±â ¹æÁö 664 (y/n)? y
= # mkdir .rhosts
= # cd .rhosts/
= # touch file
= # chmod 000 file
= # ls -la
= ÃÑ 4
= drwxr-xr-x 2 root other 512 8¿ù 22ÀÏ 16:14 .
= drwxrwxrwx 3 yspace 200 512 8¿ù 22ÀÏ 16:14 ..
= ---------- 1 root other 0 8¿ù 22ÀÏ 16:14 file
= # cd ..
= # ls -la
= ÃÑ 6
= drwxrwxrwx 3 yspace 200 512 8¿ù 22ÀÏ 16:14 .
= drwxr-xr-x 5 root other 512 8¿ù 22ÀÏ 16:12 ..
= drwxr-xr-x 2 root other 512 8¿ù 22ÀÏ 16:14 .rhosts
= # chmod 000 .rhosts/
= # finish
= }}}
=
= > pass = <font color=red>onlyyou</font>
=
= !! level 13
=
= + Ç®ÀÌ ¹æ¹ý
= # /etc/inetd.conf ÆÄÀÏ ÆíÁý
= # -s ¿É¼ÇÀ» »ç¿ëÇÏ´Â °ÍÀº chroot()±â´ÉÀ» ÀÌ¿ëÇϱâ À§ÇÔ
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
= # vi inetd.conf
=
= #ident "@(#)inetd.conf 1.33 98/06/02 SMI" /* SVr4.0 1.5 */
= # Configuration file for inetd(1M). See inetd.conf(4).
= #
= # Tftp service is provided primarily for booting. Most sites run this
= # only on machines acting as "boot servers."
= #
= tftp dgram udp wait root /usr/sbin/in.tftpd in.tftpd -s /tftpboot // -s ¿É¼ÇÃß°¡
= #
= "inetd.conf" 150 lines, 5295 characters written
= #
= # finish
= }}}
=
= > pass = <font color=red>xsetrehash</font>
=
= !! level 14
=
= + Ç®ÀÌ ¹æ¹ý
= #
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
=
= }}}
=
= > pass = <font color=red></font>
=
= !! level 15
=
= + Ç®ÀÌ ¹æ¹ý
- #
+ # __/usr/local/apache/conf/httpd.conf__ ÆÄÀÏ ÆíÁý
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
+ # vi httpd.conf
=
+ <Directory "/home/data">
+ options includesNOEXEC
+ AddType application/x-httpd-php-source .php .php3
+ </Directory>
+
+ "httpd.conf" 919 lines, 30888 characters written
+ # finish
= }}}
=
- > pass = <font color=red></font>
+ > pass = <font color=red>envokexterm</font>
=
= !! level 16
=
= + Ç®ÀÌ ¹æ¹ý
- #
+ # /etc/named.conf ÆÄÀÏ ÆíÁý
+ # __allow-transfer__ ¿É¼Ç »ç¿ë
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
+ # vi named.conf
+ options {
+ directory "/var/named";
+ allow-transfer { 203.239.110.1; };
+ };
+ zone "kisa.org" in {
+ type master;
+ file "master/kisa.org";
+ };
+ zone "." in {
+ type hint;
+ file "named.cache";
+ };
+ zone "0.0.127.in-addr.arpa" in {
+ type master;
+ notify no;
+ file "master/127.0.0";
+ };
+ "named.conf" 21 lines, 333 characters written
+ # finish
=
= }}}
=
- > pass = <font color=red></font>
+ > pass = <font color=red>tcp53port</font>
=
= !! level 17
=
= + Ç®ÀÌ ¹æ¹ý
- #
+ # /etc/sysconfig/iptable ÆÄÀÏ ÆíÁý
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
+ # vi iptables
+ *filter
+ :INPUT DROP [0:0]
+ :FORWARD DROP [0:0]
+ :OUTPUT ACCEPT [0:0]
+ #################################################################
+ -A INPUT -i lo -j ACCEPT
+ -A INPUT -d 0.0.0.0/0.0.0.0 -p tcp -m tcp ! --tcp-flags SYN,RST,ACK SYN -j ACCEPT
+ -A INPUT -d 0.0.0.0/0.0.0.0 -p udp -m udp --dport 53 -j ACCEPT
+ -A INPUT -s 0.0.0.0/0.0.0.0 -p udp -m udp --sport 53 -j ACCEPT
+ -A OUTPUT -o lo -j ACCEPT
+ #################################################################
+ -A INPUT -s 0.0.0.0/0.0.0.0 -d 0.0.0.0/0.0.0.0 -p tcp -m tcp --dport 22 -j ACCEPT
+ -A INPUT -s 0.0.0.0/0.0.0.0 -d 0.0.0.0/0.0.0.0 -p tcp -m tcp --dport 80 -j ACCEPT // ÇÑÁÙ Ãß°¡
+ #################################################################
+ COMMIT
+ ~
+ ~
+ "iptables" 16 lines, 697 characters written
+ # finish
+ }}}
=
+ > pass = <font color=red>upgradeipchains</font>
+
+ !! level 18
+
+ + Ç®ÀÌ ¹æ¹ý
+ # __patchadd__ ¸í·É¾î »ç¿ë
+
+ - ½ÇÁ¦ Ç®ÀÌ
+ {{{
+ # patchadd /var/sadm/spool/patch/109320-04
+
+ Checking installed patches...
+ Verifying sufficient filesystem capacity (dry run method)...
+ Installing patch packages...
+
+ Patch Number 109320-04 has been successfully installed.
+ See /var/sadm/patch/109320-04/log for details
+
+ Patch packkages installed:
+ SUNWpcu
+ SUNWppm
+ SUNWpsf
+ SUNWpsu
+ SUNWscplp
+ # finish
= }}}
=
- > pass = <font color=red></font>
+ > pass = <font color=red>postscript</font>
=
- !! level 18
-
- + Ç®ÀÌ ¹æ¹ý
- #
-
- - ½ÇÁ¦ Ç®ÀÌ
- {{{
-
- }}}
-
- > pass = <font color=red></font>
-
= !! level 19
=
= + Ç®ÀÌ ¹æ¹ý
- #
+ # ¶ó¿ìÅÍ ¼³Á¤¹ý ½ÇÁ¦ Ç®ÀÌ Âü°í ^^;;
=
= - ½ÇÁ¦ Ç®ÀÌ
= {{{
+ Router# conf t // ȯ°æ ¼³Á¤À¸·Î µé¾î°¡±â
+ Enter configuration commands, one per line. End with CNTL/Z.
+ Router(config)# interface serial0 // »ç¿ëÁßÀÎ ÀÎÅÍÆäÀ̽º¿¡ ´ëÇÑ È¯°æ ¼³Á¤
+ Router(config-if)# ip access-group 101 in // access group 101 ÁöÁ¤
+ Router(config-if)# access-list 101 deny tcp any any eq 31337 // Á¢±Ù °¡´ÉÇÑ ½ÇÁ¦ ¼³Á¤ ºÎºÐ
+ Router(config-if)# end
+ Router# write // ÀúÀå(º¸ÅëÀÇ ¶ó¿ìÅÍ´Â ¿£ÅÍÄ¡´Â°ÍÀ¸·Î ¼³Á¤ÀÌ ³¡)
+ %SYS-5-CONFIG_I: Configured from console by console
+ Building configuration...
+ [OK]
+ Router# exit
+ exit from router
+ # finish
+ }}}
=
+ > pass = <font color=red>proteon
+ </font>
+
+ !! level 20
+
+ + Ç®ÀÌ ¹æ¹ý
+ # __netstat -s -P tcp__ ÆĶó¹ÌÅÍ°ª È®ÀÎ
+ # __ndd__ ¸í·É¾î ÀÌ¿ë Ä¿³Î º¯¼ö(tcp_conn_req_max_q0) º¯°æ
+
+ - ½ÇÁ¦ Ç®ÀÌ
+ {{{
+ Sun Aug 22 17:11:42 2004 sol2 unix: WARNING: HIGH TCP connect timeout rate!
+ System (port 88) maybe under a SYN flood attack
+ #
+ # netstat -s -P tcp
+
+ TCP tcpRtoAlgorithm = 4 tcpRtoMin = 400
+ tcpRtoMax = 60000 tcpMaxConn = -1
+ tcpActiveOpens = 30941 tcpPassiveOpens = 39974
+ tcpAttemptFails = 110 tcpEstabResets = 668
+ tcpCurrEstab = 1 tcpOutSegs =6665377
+ tcpOutDataSegs =6182316 tcpOutDataBytes =653294094
+ tcpRetransSegs = 14953 tcpRetransBytes =3676006
+ tcpOutAck =482923 tcpOutAckDelayed =261160
+ tcpOutUrg = 1 tcpOutWinUpdate = 0
+ tcpOutWinProbe = 664 tcpOutControl =142279
+ tcpOutRsts = 224 tcpOutFastRetrans = 937
+ tcpInSegs =8744082
+ tcpInAckSegs =5489201 tcpInAckBytes =653264926
+ tcpInDupAck =126842 tcpInAckUnsent = 0
+ tcpInInorderSegs =4920520 tcpInInorderBytes =37972194
+ tcpInUnorderSegs = 900 tcpInUnorderBytes = 3630
+ tcpInDupSegs = 5918 tcpInDupBytes = 82547
+ tcpInPartDupSegs = 0 tcpInPartDupBytes = 0
+ tcpInPastWinSegs = 1 tcpInPastWinBytes =47981743
+ tcpInWinProbe = 0 tcpInWinUpdate = 652
+ tcpInClosed = 60 tcpRttNoUpdate = 10262
+ tcpRttUpdate =5411705 tcpTimRetrans = 13440
+ tcpTimRetransDrop = 100 tcpTimKeepalive = 7884
+ tcpTimKeepaliveProbe= 5406 tcpTimKeepaliveDrop = 388
+ tcpListenDrop = 0 tcpListenDropQ0 = 0
+ tcpHalfOpenDrop = 0 tcpOutSackRetrans = 1805
+ # Sun Aug 22 17:06:07 2004 sol2 unix: WARNING: HIGH TCP connect timeout rate!
+ System (port 88) maybe under a SYN flood attack
+ // tcpTimRetransDrop = 100 º¸ÅëÀÇ °æ¿ì ÀÌ ¼¼ °ªÀÌ 0À» ³ªÅ¸³½´Ù..
+ // tcpListenDrop = 0
+ // tcpHalfOpenDrop = 0
+
+ # ndd -set /dev/tcp tcp_conn_req_max_q0 512
+ /dev/tcp tcp_conn_req_max_q0 512
+ # finish
= }}}
=
- > pass = <font color=red></font>
-
- !! level 20
-
- + Ç®ÀÌ ¹æ¹ý
- #
-
- - ½ÇÁ¦ Ç®ÀÌ
- {{{
-
- }}}
-
- > pass = <font color=red></font>
+ > pass = <font color=red>3wayhandshake</font>

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