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Chintan Gurjar
Chintan Gurjar's Blog: Brute force Directory and Files on a Web server us...: One of the most commonly used web application directory/files brute force tool is dirbuster from OWASP ; which is a GUI based tool written ...
Services Offered by Amarjit Singh as a Freelancer
Hi Friends...Freelancing is tough. It can be very difficult, in fact. It can wear people down, making them lose sight of what they used to love because they have to do everything else just to get by.
Unified Threat Management Systems - Guide to UTMs
Hi folks..this time I will be exploring the Unified Threat Management systems and comparing multiple UTM products in the same. Unified Threat Management devices are relatively new in the security appliance scenario and are in the phase of continuous evolution. UTM has attracted industry leaders like Juniper, Fortinet, Cisco, IBM, Intel, Cyberoam and there are a lot of UTM products to choose from. I am however working on the Cyberoam one and will be continuing my tests on it.
Top Indian Hackers List
There has been a lot of commotion in the Indian Hacking scene lately, and I expressed some pretty strong views regarding that. When it comes to hacking, every other guy tends to tape the "hacker" word with his name/codename without even realizing its significance. In the end tired of all the bullshit around, I decided to cover an article on the REAL INDIAN HACKERS (or Hackers of Indian Origin), folks who are actually dedicated to security and are hackers in real sense. Lets start, shall we ?
Top Hacking Magazine List with Review
Except these Magazines, all other so called Indian Hacking magazines are BOGUS and copy pasting contents from INTERNET. Wake up GUYS. Simple ask your self that are you really learning something from what you are reading or not?. This time I will be blogging about some really good magazines and zines where you can learn about computer and IT security. If you want to go through the previous articles in the series, you are welcome to give them a read.
Yersinia: How to analyzing and testing Network Protocols
Yersinia is a free open source utility written entirely in C which is great for security professionals, pen testers and hacker enthusiasts alike. Yersinia is a solid framework for analyzing and testing network protocols, and it is a great network tool designed to take advantage of some weaknesses in different network protocols.
Tuesday, June 18, 2013
Chintan Gurjar's Blog: Book Review : The Chinese Information War
Chintan Gurjar's Blog: Book Review : The Chinese Information War: Had The Chinese Information War: Espionage, Cyberwar, Communications Control and Related Threats to United States Interests been writte...
Sunday, June 16, 2013
Chintan Gurjar's Blog: Want To Create A Secure PHP Website?
Chintan Gurjar's Blog: Want To Create A Secure PHP Website?: Hello guys, before some month ago I found some good checklist paper of PHP security. So i made a beautiful graph using that data. It is ...
Wednesday, June 12, 2013
OpenVPN Configuration CentOS - XP ( Server - Client )
OpenVPN
This is an open source application. It provides ‘VIRTUAL PRIVATE NETWORK’. It provides tunneling in which we can transmit packets securely. The main aim of using any VPN is to secure the network. In my demonstration I am going to install, configure and test openvpn within server and client. I will also generate RDP through rdesktop utility. RDP will be forwarded via TLS tunnel. And as a proof we will also analyze the packet through tcpdump.
This is an open source application. It provides ‘VIRTUAL PRIVATE NETWORK’. It provides tunneling in which we can transmit packets securely. The main aim of using any VPN is to secure the network. In my demonstration I am going to install, configure and test openvpn within server and client. I will also generate RDP through rdesktop utility. RDP will be forwarded via TLS tunnel. And as a proof we will also analyze the packet through tcpdump.
Monday, June 10, 2013
Cryptography Overhead Analysis With Practical Demostration
What is cryptography?
IPSec
provides security to the Internet Protocol Layer. It does this by
giving us the choices to use any encryption-decryption algorithm along
with the mandatory security protocols.. IPSec uses some different
important protocols such as AH (Authentication Header), ESP
(Encapsulating Security Protocol), ISAKMP (Internet Security Association
and Key Protocol) and IKE (Internet key exchange). Each has their own
responsibility and functionality. To operate all this functionality,
there are two basic modes such as: Transport Mode & Tunnel Mode.
Post Fix Configuration - CentOS - XP With Outlook
It is the simple mail transfer agent which is
frequently used for mail exchange service in Linux machines. Due to having use
of directory it is quite easy for all administrators to handle it. Postfix has
built-in many layers of security.
Important
Notes
-> Main.cf
file located in /etc/postfix/main.cf need to be edited.
-> Mail box
which we are going to include in main.cf file will receive all the mails.
-> Logs of all
mail will be stored in /var/log/maillog
Sunday, June 9, 2013
DHCP Configuration - Server CentOS - Client XP
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| ifcfg-eth0 file configuration |
In Linux server the IP address is statically assigned which will be
192.168.13.0/24. Here server will be capable to ping the client machine
and that has to be same from the client machine which will be also able
to ping the server machine which is running on CentOS. For that DHCP
Server will be installed in the Linux server to assign the static IP
address to their client machine.
DHCP Cofiguration – Dynadmic Host Configuration Protocol
DHCP is used to manage IP address centrally. It also protects the IP address centrally. It automatically assigns the IP address to the guest OS. Not only the IP address but it also assigns gateway, DNS server, Net BIOS and network information. DHCP assigns IP address statically as well as dynamically. Here we will assign a static IP address so that we can manage our IP address centrally.
DHCP Cofiguration – Dynadmic Host Configuration Protocol
DHCP is used to manage IP address centrally. It also protects the IP address centrally. It automatically assigns the IP address to the guest OS. Not only the IP address but it also assigns gateway, DNS server, Net BIOS and network information. DHCP assigns IP address statically as well as dynamically. Here we will assign a static IP address so that we can manage our IP address centrally.
Command Line Magic - Pick A Random Number From Your Given Range
In Linux server the IP address is statically assigned which will be
192.168.13.0/24. Here server will be capable to ping the client machine
and that has to be same from the client machine which will be also able
to ping the server machine which is running on CentOS. For that DHCP
Server will be installed in the Linux server to assign the static IP
address to their client machine.DHCP Cofiguration – Dynadmic Host Configuration Protocol
DHCP is used to manage IP address centrally. It also protects the IP address centrally. It automatically assigns the IP address to the guest OS. Not only the IP address but it also assigns gateway, DNS server, Net BIOS and network information. DHCP assigns IP address statically as well as dynamically. Here we will assign a static IP address so that we can manage our IP address centrally.
