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09 Maret 2012

Install ConfigServer Firewall WHM Plugin & Webmin Modul

ConfigServer Firewall (CSF) merupakan salah satu plugin cPanel/WHM (free/gratis) dari ConfigServer.Com dengan fungsi utama sebagai security firewall pada Linux Server.

Kemampuan script ConfigServer Firewall ini diantaranya:


  1. Dapat cek otentikasi gagal login pada:

    • Courier imap, Dovecot, uw-imap, Kerio

    • openSSH

    • cPanel, WHM, Webmail (hanya pada server cPanel)

    • Pure-ftpd, vsftpd, Proftpd

    • Password protected web pages (htpasswd)

    • Mod_security failures (v1 and v2)

    • Suhosin failures

    • Exim SMTP AUTH

    • Custom login failures with separate log file and regular expression matching



  2. Notifikasi login SSH

  3. Notifikasi login SU (Super User)

  4. Notifikasi WHM root login (hanya pada server cPanel)

  5. Integrasi User Interface (UI) untuk cPanel, DirectAdmin dan Webmin

  6. Exploit checks

  7. BOGON packet protection

  8. Port Scan tracking & blocking

  9. dan beberapa fungsi lainnya. Selengkapnya dapat dilihat pada halaman ini.



Berikut tutorial singkat install ConfigServer Firewall pada cPanel/WHM Server:

Command:
rm -fv csf.tgz
wget http://www.configserver.com/free/csf.tgz
tar -xzf csf.tgz
cd csf
sh install.sh


[bash collapse="false"]
root@server5 [~]# rm -fv csf.tgz
root@server5 [~]#
[/bash]

[bash collapse="false"]
root@server5 [~]# wget http://www.configserver.com/free/csf.tgz
--2012-05-28 03:38:24-- http://www.configserver.com/free/csf.tgz
Resolving www.configserver.com... 85.13.195.235
Connecting to www.configserver.com|85.13.195.235|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 434432 (424K) [application/x-tar]
Saving to: âcsf.tgzâ

100%[======================================>] 434,432 91.8K/s in 4.6s

2012-05-28 03:38:30 (91.8 KB/s) - âcsf.tgzâ

root@server5 [~]#
[/bash]

[bash collapse="false"]
root@server5 [~]# tar -xzf csf.tgz
root@server5 [~]#
[/bash]

[bash collapse="false"]
root@server5 [~]# cd csf
root@server5 [~/csf]#
[/bash]

[bash]
root@server5 [~/csf]# sh install.sh

Configuring for OS

Running csf cPanel installer

Installing csf and lfd

Check we're running as root

Checking Perl modules...Using configuration defaults
ok

mkdir: created directory `/etc/csf'
mkdir: created directory `/etc/csf/zone'
mkdir: created directory `/etc/csf/stats'
mkdir: created directory `/etc/csf/lock'
`csf.conf' -> `/etc/csf/./csf.conf'
`csf.allow' -> `/etc/csf/./csf.allow'
`csf.deny' -> `/etc/csf/./csf.deny'
`csf.redirect' -> `/etc/csf/./csf.redirect'
`csf.resellers' -> `/etc/csf/./csf.resellers'
`reselleralert.txt' -> `/etc/csf/./reselleralert.txt'
`csf.dirwatch' -> `/etc/csf/./csf.dirwatch'
`csf.logfiles' -> `/etc/csf/./csf.logfiles'
`csf.logignore' -> `/etc/csf/./csf.logignore'
`logalert.txt' -> `/etc/csf/./logalert.txt'
`csf.ignore' -> `/etc/csf/./csf.ignore'
`csf.pignore' -> `/etc/csf/./csf.pignore'
`csf.rignore' -> `/etc/csf/./csf.rignore'
`csf.fignore' -> `/etc/csf/./csf.fignore'
`csf.signore' -> `/etc/csf/./csf.signore'
`csf.suignore' -> `/etc/csf/./csf.suignore'
`csf.mignore' -> `/etc/csf/./csf.mignore'
`csf.sips' -> `/etc/csf/./csf.sips'
`csf.dyndns' -> `/etc/csf/./csf.dyndns'
`alert.txt' -> `/etc/csf/./alert.txt'
`logfloodalert.txt' -> `/etc/csf/./logfloodalert.txt'
`integrityalert.txt' -> `/etc/csf/./integrityalert.txt'
`exploitalert.txt' -> `/etc/csf/./exploitalert.txt'
`queuealert.txt' -> `/etc/csf/./queuealert.txt'
`tracking.txt' -> `/etc/csf/./tracking.txt'
`connectiontracking.txt' -> `/etc/csf/./connectiontracking.txt'
`processtracking.txt' -> `/etc/csf/./processtracking.txt'
`accounttracking.txt' -> `/etc/csf/./accounttracking.txt'
`usertracking.txt' -> `/etc/csf/./usertracking.txt'
`sshalert.txt' -> `/etc/csf/./sshalert.txt'
`sualert.txt' -> `/etc/csf/./sualert.txt'
`consolealert.txt' -> `/etc/csf/./consolealert.txt'
`uialert.txt' -> `/etc/csf/./uialert.txt'
`cpanelalert.txt' -> `/etc/csf/./cpanelalert.txt'
`scriptalert.txt' -> `/etc/csf/./scriptalert.txt'
`relayalert.txt' -> `/etc/csf/./relayalert.txt'
`filealert.txt' -> `/etc/csf/./filealert.txt'
`watchalert.txt' -> `/etc/csf/./watchalert.txt'
`loadalert.txt' -> `/etc/csf/./loadalert.txt'
`resalert.txt' -> `/etc/csf/./resalert.txt'
`portscan.txt' -> `/etc/csf/./portscan.txt'
`permblock.txt' -> `/etc/csf/./permblock.txt'
`netblock.txt' -> `/etc/csf/./netblock.txt'
`portknocking.txt' -> `/etc/csf/./portknocking.txt'
`regex.custom.pm' -> `/etc/csf/./regex.custom.pm'
`pt_deleted_action.pl' -> `/etc/csf/./pt_deleted_action.pl'
`messenger' -> `/etc/csf/./messenger'
`messenger/index.text' -> `/etc/csf/./messenger/index.text'
`messenger/index.html' -> `/etc/csf/./messenger/index.html'
`messenger/csf_small.png' -> `/etc/csf/./messenger/csf_small.png'
`ui' -> `/etc/csf/./ui'
`ui/server.key' -> `/etc/csf/./ui/server.key'
`ui/ui.ban' -> `/etc/csf/./ui/ui.ban'
`ui/server.crt' -> `/etc/csf/./ui/server.crt'
`ui/ui.allow' -> `/etc/csf/./ui/ui.allow'
`ui/images' -> `/etc/csf/./ui/images'
`ui/images/cxs.png' -> `/etc/csf/./ui/images/cxs.png'
`ui/images/icon.gif' -> `/etc/csf/./ui/images/icon.gif'
`ui/images/cxs_small.png' -> `/etc/csf/./ui/images/cxs_small.png'
`ui/images/minus.png' -> `/etc/csf/./ui/images/minus.png'
`ui/images/viewdelivery.png' -> `/etc/csf/./ui/images/viewdelivery.png'
`ui/images/delete.png' -> `/etc/csf/./ui/images/delete.png'
`ui/images/deliver.png' -> `/etc/csf/./ui/images/deliver.png'
`ui/images/cxs-loader.gif' -> `/etc/csf/./ui/images/cxs-loader.gif'
`ui/images/plus.png' -> `/etc/csf/./ui/images/plus.png'
`ui/images/perm.png' -> `/etc/csf/./ui/images/perm.png'
`ui/images/cse_small.png' -> `/etc/csf/./ui/images/cse_small.png'
`ui/images/csf_small.png' -> `/etc/csf/./ui/images/csf_small.png'
`lfd.logrotate' -> `/etc/logrotate.d/lfd'
`csfcron.sh' -> `/etc/cron.d/csfcron.sh'
`lfdcron.sh' -> `/etc/cron.d/lfdcron.sh'
`csf.pl' -> `/etc/csf/csf.pl'
`csfui.pl' -> `/etc/csf/csfui.pl'
`csfuir.pl' -> `/etc/csf/csfuir.pl'
`cseui.pl' -> `/etc/csf/cseui.pl'
`csftest.pl' -> `/etc/csf/csftest.pl'
`lfd.pl' -> `/etc/csf/lfd.pl'
`regex.pm' -> `/etc/csf/regex.pm'
`servercheck.pm' -> `/etc/csf/servercheck.pm'
`readme.txt' -> `/etc/csf/readme.txt'
`sanity.txt' -> `/etc/csf/sanity.txt'
`x-arf.txt' -> `/etc/csf/x-arf.txt'
`changelog.txt' -> `/etc/csf/changelog.txt'
`install.txt' -> `/etc/csf/install.txt'
`version.txt' -> `/etc/csf/version.txt'
`license.txt' -> `/etc/csf/license.txt'
`uninstall.sh' -> `/etc/csf/uninstall.sh'
`remove_apf_bfd.sh' -> `/etc/csf/remove_apf_bfd.sh'
`lfd.sh' -> `/etc/init.d/lfd'
`csf.sh' -> `/etc/init.d/csf'
`Net' -> `/etc/csf/Net'
`Net/CIDR' -> `/etc/csf/Net/CIDR'
`Net/CIDR/Lite.pm' -> `/etc/csf/Net/CIDR/Lite.pm'
`Geo' -> `/etc/csf/Geo'
`Geo/IP' -> `/etc/csf/Geo/IP'
`Geo/IP/PurePerl.pm' -> `/etc/csf/Geo/IP/PurePerl.pm'
`Crypt' -> `/etc/csf/Crypt'
`Crypt/Blowfish_PP.pm' -> `/etc/csf/Crypt/Blowfish_PP.pm'
`Crypt/CBC.pm' -> `/etc/csf/Crypt/CBC.pm'
`csf.div' -> `/etc/csf/csf.div'
`ui/images/cxs.png' -> `/etc/csf/ui/./images/cxs.png'
`ui/images/icon.gif' -> `/etc/csf/ui/./images/icon.gif'
`ui/images/cxs_small.png' -> `/etc/csf/ui/./images/cxs_small.png'
`ui/images/minus.png' -> `/etc/csf/ui/./images/minus.png'
`ui/images/viewdelivery.png' -> `/etc/csf/ui/./images/viewdelivery.png'
`ui/images/delete.png' -> `/etc/csf/ui/./images/delete.png'
`ui/images/deliver.png' -> `/etc/csf/ui/./images/deliver.png'
`ui/images/cxs-loader.gif' -> `/etc/csf/ui/./images/cxs-loader.gif'
`ui/images/plus.png' -> `/etc/csf/ui/./images/plus.png'
`ui/images/perm.png' -> `/etc/csf/ui/./images/perm.png'
`ui/images/cse_small.png' -> `/etc/csf/ui/./images/cse_small.png'
`ui/images/csf_small.png' -> `/etc/csf/ui/./images/csf_small.png'
chmod: cannot access `/var/log/lfd.log*': No such file or directory
mode of `/etc/csf/cseui.pl' changed to 0700 (rwx------)
mode of `/etc/csf/csf.pl' changed to 0700 (rwx------)
mode of `/etc/csf/csftest.pl' changed to 0700 (rwx------)
mode of `/etc/csf/csfui.pl' changed to 0700 (rwx------)
mode of `/etc/csf/csfuir.pl' changed to 0700 (rwx------)
mode of `/etc/csf/lfd.pl' changed to 0700 (rwx------)
mode of `/etc/csf/pt_deleted_action.pl' changed to 0700 (rwx------)
mode of `/etc/csf/regex.custom.pm' changed to 0700 (rwx------)
mode of `/etc/csf/regex.pm' changed to 0700 (rwx------)
mode of `/etc/csf/servercheck.pm' changed to 0700 (rwx------)
mode of `/etc/csf/remove_apf_bfd.sh' changed to 0700 (rwx------)
mode of `/etc/csf/uninstall.sh' changed to 0700 (rwx------)
chmod: cannot access `/etc/csf/*.php': No such file or directory
failed to change mode of `/etc/csf/*.php' to 0000 (---------)
mode of `/etc/init.d/lfd' changed to 0700 (rwx------)
mode of `/etc/init.d/csf' changed to 0700 (rwx------)
mode of `/etc/cron.d/lfdcron.sh' changed to 0644 (rw-r--r--)
mode of `/etc/cron.d/csfcron.sh' changed to 0644 (rw-r--r--)
`/usr/sbin/csf' -> `/etc/csf/csf.pl'
`/usr/sbin/lfd' -> `/etc/csf/lfd.pl'
`addon_csf.cgi' -> `/usr/local/cpanel/whostmgr/docroot/cgi/./addon_csf.cgi'
mode of `/usr/local/cpanel/whostmgr/docroot/cgi/addon_csf.cgi' changed to 0700 (rwx------)
`csf/' -> `/usr/local/cpanel/whostmgr/docroot/cgi/csf'
`csf/minus.png' -> `/usr/local/cpanel/whostmgr/docroot/cgi/csf/minus.png'
`csf/delete.png' -> `/usr/local/cpanel/whostmgr/docroot/cgi/csf/delete.png'
`csf/plus.png' -> `/usr/local/cpanel/whostmgr/docroot/cgi/csf/plus.png'
`csf/perm.png' -> `/usr/local/cpanel/whostmgr/docroot/cgi/csf/perm.png'
`csf/csf_small.png' -> `/usr/local/cpanel/whostmgr/docroot/cgi/csf/csf_small.png'

*** IPV6 Enabled


*** IPV6_SPI set to 1


TCP ports currently listening for incoming connections:
21,22,25,53,80,110,143,443,465,587,993,995,2077,2078,2082,2083,2086,2087,2095,2096,3306,5672

UDP ports currently listening for incoming connections:
53,68

IPv6 TCP ports currently listening for incoming connections:
21,22,25,465,587,5672

IPv6 UDP ports currently listening for incoming connections:


Note: The port details above are for information only, csf hasn't been auto-configured.

Don't forget to:
1. Configure the following options in the csf configuration to suite your server: TCP_*, UDP_*, IPV6, TCP6_*, UDP6_*
2. Restart csf and lfd
3. Set TESTING to 0 once you're happy with the firewall

Adding current SSH session IP address to the csf whitelist in csf.allow:
Adding 192.168.211.1 to csf.allow only while in TESTING mode (not iptables ACCEPT)
*WARNING* TESTING mode is enabled - do not forget to disable it in the configuration

Installation Completed

root@server5 [~/csf]#
[/bash]

Selanjutnya, cek apakah iptables modules diminta (diperlukan) dengan menjalankan command berikut:

[bash]
root@server5 [~/csf]# perl /etc/csf/csftest.pl
Testing ip_tables/iptable_filter...OK
Testing ipt_LOG...OK
Testing ipt_multiport/xt_multiport...OK
Testing ipt_REJECT...OK
Testing ipt_state/xt_state...OK
Testing ipt_limit/xt_limit...OK
Testing ipt_recent...OK
Testing xt_connlimit...OK
Testing ipt_owner/xt_owner...OK
Testing iptable_nat/ipt_REDIRECT...OK
Testing iptable_nat/ipt_DNAT...OK

RESULT: csf should function on this server
root@server5 [~/csf]#
[/bash]

Konfigurasi iptables apapun lainnya harus di-disabled, misal jika sebelumnya menggunakan APF+BFD dengan terlebih dahulu men-disable (hapus/remove).

Command:

sh /etc/csf/remove_apf_bfd.sh

Selesai. CSF dapat dikonfigurasikan langsung via edit file /etc/csf/*, atau pada cPanel dapat menggunakan WHM UI (User Interface).

[caption id="attachment_1217" align="alignnone" width="150" caption="ConfigServer Security & Firewall (CSF) WHM Plugin"]CSF WHM Plugin[/caption]

Harap diingat, CSF auto configure port ssh sesuai pada saat instalasi dan juga otomatis menambahkan IP Address administrator waktu install ke daftar whitelist.

Webmin Module Installation/Upgrade

Untuk install atau upgrade module csf pada webmin, install csf seperti command di atas, kemudian install module csf.

WebminWebmin ConfigurationWebmin ModulesFrom local file/etc/csf/csfwebmin.tgzInstall Module


[caption id="attachment_1218" align="alignleft" width="150" caption="CSF Webmin Module 1"]CSF Webmin Module 1[/caption][caption id="attachment_1219" align="alignleft" width="150" caption="CSF Webmin Module 2"]CSF Webmin Module 2[/caption][caption id="attachment_1220" align="alignleft" width="150" caption="CSF Webmin Module 3"]CSF Webmin Module 3[/caption]


Klik Refresh ModuleSystemConfigServer Security & Firewall untuk mulai configurasi CSF.


[caption id="attachment_1221" align="alignleft" width="150" caption="CSF Webmin Module 4"]CSF Webmin Module 4[/caption][caption id="attachment_1222" align="alignleft" width="150" caption="CSF Webmin Module 5"]CSF Webmin Module 5[/caption]


Uninstall CSF

cPanel Server, gunakan command berikut:

[bash collapse="false"]
[root@localhost ~]# cd /etc/csf
[root@localhost csf]# sh uninstall.sh
[/bash]

Pada DirectAdmin servers, jalankan command berikut:

[bash collapse="false"]
[root@localhost ~]# cd /etc/csf
[root@localhost csf]# sh uninstall.directadmin.sh
[/bash]

Pada Generic Linux Server, jalankan command berikut:

[bash collapse="false"]
[root@localhost ~]# cd /etc/csf
[root@localhost csf]# sh uninstall.generic.sh
[/bash]

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