Skip to main content

DMZ In Network Security (Demilitarized Zone)

Now most of the modern Small Office Home Office routers offer DMZ host feature. For those who don't know about the use of DMZ, this tutorial may give an overall idea about it. If you place a device in your network in DMZ, that device won't have much access to other devices connected to the network. Device placed in DMZ is more exposed to external threats as it is logically placed outside the network with limited security. Also all ports of DMZ host are open and exposed to external network. DMZ host has its on merits and demerits.


What is The Use of DMZ in a Network

If you are a hardcore online gamer, you know the hurdles created by the router firewall and NAT. In most cases simple port forwarding allows you to continue online gaming but rarely some users face issues. Ultimate solution for the firewall issues in online gaming is to place your gaming computer in DMZ. However, after this step, your gaming computer is no longer protected by router firewall. Also your computer face limited connection to other computers in your home network.

Technically DMZ host is outside the network. So other hosts in your network is safe even if DMZ host is compromised. Though DMZ computer is compromised by a hacker, attacker will not get access to other devices in the network. So you can run a web service on your computer which can be placed in DMZ without risking the security of other devices in your network.

Further Readings
  1. Denial of Service (DOS) attacks Tutorial

  2. How to Improve The Speed Of Your Internet Connection

  3. Port Forwarding On Belkin Wireless Router

  4. Port Forwarding On Linksys Wireless Router

No: Recent Posts
Broadband Hack Tricks
Network Address Translation( NAT)
What is Smurf Attack & How to Prevent it
How to Setup MTNL Broadband ADSL Modem
Setup Idea 4G on Android Phone
Delete Beneficiary Fund Transfer in HDFC Netbanking
Setup Asianet WiFi Router
Denial of Service (DOS) attacks
View & Clear Saved Username and Passwords In Mozilla Firefox
Setup Log Files for IP Messenger
Make Sure your Computer and Network are Safe and Secure
Omiga Plus Browser Infection Removal Guide
Error 797: A Connection to the Remote Access Server was not Made
How to Reset BSNL WiFi Modem
How to Check Your Tata Photon Plus Internet Usage
Destination Net Unreachable

Comments

Recent Posts

Village Field Assistant in Kerala Revenue (123/2017) Examination

PSC has notified examination for the post Village Field Assistant in Kerala Revenue Department. Category number of the notification is 123/2017. According to this notification, anyone who has passed 10th Standard and having cycling skill can apply. There is no ineligibility for those having higher education standards to apply for Village Field Assistant. So, those who passed HSS, Degree etc can apply. Village Field Assistant is the new name given to the post Village Man in Kerala Revenue Department and is one of the few posts where PSC conducts direct recruitment to Revenue department. Public Service Commission conducts different examinations for each districts and there will be different question papers and cut off marks. Anyone who apply for Village Field Assistant can apply to only one district. Right now, only anticipatory vacancies are reported. So we do not know the exact number of vacancies in each districts. According to High Court verdict in 2006, women too can apply to Vill…

How to Configure Idea 4G & 3G on Android Phone -APN Settings

When you activate Idea GPRS, 4G or 3G Internet on your Android phone, your phone will receive the automatic settings. However, sometimes you may need to configure the Access Point and GPRS settings for Idea (both GSM second and third generation) connection manually on your Android phone. In case if you delete the previous configuration, it is better know how to setup the same settings again by yourself. A wrong Access Point Name can stop you from accessing their mobile broadband service. Otherwise after deleting the existing APN for Idea 3G or GPRS you may need to re-insert the SIM again to get automatic settings from them. If you know the manual configuration steps, you can avoid that hardware procedure. If you are looking for the steps to get maximum speed from Idea 4G, you may click the link below and follow the instructions. The below hack will increase the Idea 4G data transfer speed.


Boost Idea 4G Data Transfer Speed

Steps to Configure Idea 4G/ GPRS/ 3G on Android Click on Applic…

Kerala PSC Examination Syllabus

Syllabus oriented preparation is the key factor of success in every examinations. Chances of winning various examinations conducted by Kerala PSC depends on the efforts of a candidate to study topics mentioned in the exact syllabus of that examination. It is important to understand the detailed syllabus of an examination by Public Service Commission before starting to study for it. Complete analysis of examination syllabus will give the candidate the idea of most important and less important topics. By giving more efforts to cover important portions, he will be able to score more marks and better rank compared to others who have no idea on the syllabus. In this post, you can check detailed syllabuses of most of the exams conducted by Kerala PSC. In the chronological order, you can check syllabus for degree level examinations, 10'th level examinations and last grade exams. Time for both Degree level and Tenth level examinations is 75 minutes and there will be 100questions each …

Kerala Government Higher Secondary School Teacher Recruitment

Kerala PSC has invited applications from eligible candidates to recruit Higher Secondary School Teacher for Kerala Higher Secondary Education Department. Vacancies are available for teachers in various subjects and the detailed information is provided in the chart below. Monthly starting salary of Government Higher Secondary School Teacher (Junior) in Kerala Higher Secondary Eduction is 32300-68700/-Indian Rupees. Age limit to apply for Higher Secondary School Teacher post in Kerala for general category is 20 -40 years. Usual upper age relaxation is allowed for candidates belongs to OBC and SC/ST category. Kerala Government Higher Secondary School Teacher Examination detailed syllabus and previous year question papers are updated in the charts below.
Notification NumberName of the Post Last Date to Apply 246/2017Higher Secondary School Teacher (Junior) English20-09-2017 247/2017Higher Secondary School Teacher (Junior) Political Science20-09-2017 248/2017Higher Secondary School Tea…

Eligibility and Exam Pattern CBI Officer Recruitment 2017 - Sub Inspector By SSC CGL

To become an officer in Central Bureau of Investigation ( CBI ) is a dream of many youth in India. Though this elite investigation agency is popular among public, many do not know the procedure to join CBI as an officer. This article explains the various criteria, eligibility, exam pattern and procedure to become a CBI officer. Two different agencies conduct examinations to fill vacancies in CBI. They are UPSC and SSC. To become a group A officer in CBI, you must choose Civil Service Examination conducted by UPSC and become an IPS officer. To join as Sub Inspector in CBI, you must go through SSC CGL examination.

Name Of the Post Recruitment Agency Group A OfficerUPSC (Civil Service Examination)Sub InspectorSSC CGL
Where to Apply
If you are dreaming to become an Officer in CBI, you must pass the Combined Graduate Level Examination (CGL ) conducted by Staff Selection Commission (SSC) in every year. You must wait for the next SSC CGL notification and prepare for the same. It is a 4 tier …

PING: Transmit failed. General Failure - Reasons and Solution

Yesterday while checking network connectivity, I received one error message while trying to ping loopback address from my Windows computer. The error message I received is "PING: Transmit failed. General Failure" and all the packets send from command prompt were lost. I tried to ping a different loopback address but the result was same. I fixed the issue by following a set of steps and sharing those troubleshooting steps in this tutorial hoping it may help in case if you experience the same error message PING: Transmit failed. General Failure.


Broadband Hack To Improve Speed

This is the output I received when I ping loopback address.

C:\Users\sijugk>ping 172.0.0.21 Pinging 172.0.0.21 with 32 bytes of data: PING: transmit failed. General failure. PING: transmit failed. General failure. PING: transmit failed. General failure. PING: transmit failed. General failure. Ping statistics for 172.0.0.21: Packets: Sent = 4, Received = 0, Lost = 4 (100% loss)


Reasons an…