Archive for December, 2009

realtime network monitoring tools

Thursday, December 24th, 2009

tcptrack :http://www.rhythm.cx/~steve/devel/tcptrack/release/1.3.0/docs/tcptrack.1.html ngrep :     http://www.linux.com/archive/feature/46268 ntop : mrtg: vnstat: http://humdi.net/vnstat/

Deleted/Corrupted/Wrong Type/No IOS image and router won’t boot(cisco 2600)

Thursday, December 24th, 2009

Deleted/Corrupted/Wrong Type/No IOS image and router won’t boot: http://www.dslreports.com/faq/13824 Break Key Sequence: http://www.cisco.com/en/US/products/hw/routers/ps133/products_tech_note09186a0080174a34.shtml ROMmon Recovery for the Cisco 2600 Series Router: http://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a0080094a0b.shtml How to Download a Software Image to a Cisco 2600 via TFTP: http://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a008015bf9e.shtml For Cisco 2600 Router : (a) Connect to the router via Teraterm (console port) (b) Now Turned on the router [...]

How to install/configure bind in linux

Friday, December 18th, 2009

a)yum install bind bind-chroot bin-utils b) go to /usr/share/doc/bind-9.3.6/sample  [ here all the sample files should be installed] c)cp -R var/* /var/named/chroot/ d)cp -R etc/* /var/named/chroot/ cp /usr/share/doc/bind-9.3.6/sample/etc/named.conf /var/named/chroot/etc/ [note : if named.conf is not that location then type : locate named.conf, it will show you where is the named.conf]

Cisco Access Control Lists (ACL) (Web link)

Wednesday, December 16th, 2009

http://www.networkclue.com/routing/Cisco/access-lists/index.aspx

Harden Cisco IOS Devices

Wednesday, December 16th, 2009

Website link : http://www.cisco.com/en/US/tech/tk648/tk361/technologies_tech_note09186a0080120f48.shtml

useful apache server documentation link

Tuesday, December 15th, 2009

Prefix for configutraion: http://httpd.apache.org/docs/2.2/en/programs/configure.html#installationdirectories

Disclaimer

Tuesday, December 15th, 2009

Disclaimer: The information and content provided on this website is for reference and informational purpose only. I cannot guarantee for accuracy and completeness for any information or content published on this site. Use of the information and content on this site is at your own risk. I accept no responsibility for any loss or damage [...]

How to install mod_security from source

Tuesday, December 15th, 2009

Ref :http://www.modsecurity.org/documentation/modsecurity-apache/2.5.11/html-multipage/installation.html Mod security works with apache. So You will have to define where is your Apache location (if you installed Apache from source) Here I have installed Apache in /usr/local/apache Directory Note: Make sure you have mod_unique_id installed : run the bellow command to make sure mod_unique_id is installed . bin/apachectl -l | grep  [...]

Yum repo list for Centos

Monday, December 14th, 2009

For 32 bit kernel Repo1: Download :   wget -c http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm   Install : rpm -Uvh epel-release-5-3.noarch.rpm Repo2: Download :   wget -c  http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm   Install :   rpm -Uvh rpmforge-release-0.3.6-1.el5.rf.i386.rpm For 64bit kernel : Repo1: Download :   wget -c http://download.fedora.redhat.com/pub/epel/5/x86_64/epel-release-5-3.noarch.rpm   Install : rpm -Uvh epel-release-5-3.noarch.rpm Repo2: Download :   wget -c http://apt.sw.be/redhat/el5/en/x86_64/rpmforge/RPMS/rpmforge-release-0.5.1-1.el5.rf.x86_64.rpm [...]

How to display security updates by yum

Monday, December 7th, 2009

Ref: http://magazine.redhat.com/2008/01/16/tips-and-tricks-yum-security/ Ref: http://www.cyberciti.biz/faq/redhat-fedora-centos-linux-yum-installs-security-updates/ Install Plugin Type the following command: # yum install yum-security How Do I Display Available Security Updates? Type the following command: # yum list-security Sample Outputs: Loaded plugins: rhnplugin, security RHSA-2009:1148-1 security httpd-2.2.3-22.el5_3.2.x86_64 RHSA-2009:1148-1 security httpd-devel-2.2.3-22.el5_3.2.i386 RHSA-2009:1148-1 security httpd-manual-2.2.3-22.el5_3.2.x86_64 RHSA-2009:1148-1 security mod_ssl-1:2.2.3-22.el5_3.2.x86_64 list-security done To list all updates that are security [...]