Types of Firewall

1. Packet filter:

Packet filtering inspects each packet passing through the network and accepts or rejects it based on user-defined rules.

2. Circuit-level firewall: 

Applies security mechanisms when a TCP or UDP connection is established. Once the connection has been made, packets can flow between the hosts without further checking.

3. Application gateway: 

Applies security mechanisms to specific applications, such as FTP and Telnet servers.

4. Proxy server: 

Intercepts all messages entering and leaving the network acting as an intermediary between clients and servers. The proxy server hides the true network addresses

Comments

Post a Comment

Preeti to Unicode Converter

Popular posts from this blog

Nepali Unicode with Keyboard Layout (Traditional and Romanized)

Nepali Unicode with Keyboard Layout (Traditional) is suitable for the persons who are already using true type fonts like preeti, kantipur etc. There is only slight modification upon true type fonts with Unicode flavour. These letters can accessible to everywhere even any client computer doesn't avail Nepali fonts.

Similarly, Nepali Unicode with Keyboard Layout (Romanized) is suitable for new Nepali Unicode users which works as typing in English - based on pronunciation.

Download Nepali Unicode with Keyboard Layout (Traditional and Romanized) from below:



Nepali Unicode with Keyboard Layout (Traditional)
Read more

Havij 1.15 Advanced SQL Injection Tool

Image
Havij is an automated SQL Injection tool that helps penetration testers to find and exploit SQL Injection vulnerabilities on a web page.
It can take advantage of a vulnerable web application. By using this software user can perform back-end database fingerprint, retrieve DBMS users and password hashes, dump tables and columns, fetching data from the database, running SQL statements and even accessing the underlying file system and executing commands on the operating system.
The power of Havij that makes it different from similar tools is its injection methods. The success rate is more than 95% at injecting vulnerable targets using Havij.
The user friendly GUI (Graphical User Interface) of Havij and automated settings and detections makes it easy to use for everyone even amateur users. Download Free Havij 1.15 Advanced SQL Injection Tool

New Features   HTTPS support    Add MSSQL Blind    MSAccess more Blind (commercial version only)    PostgreSQL added (only commercial version)    Check fo…
Read more

Units of Land Area Calculation in Nepal

Units of Land Area Calculation in Nepal Land area is calculated in the following units in Nepal.
Area: Ropani, Anna, Paisa, Dam 508.74 sq m=1 ropani=16 anna=5476 sq. ft. 31.79 sq m=1 anna=4 paisa=342.25 sq. ft. 7.94 sq m        =1 paisa=4 dam=85.56 sq. ft.
Area: Bigha, Katha, Paisa, Dam 6772.41 sq m=1 Bigha=20 Katha=72900 sq. ft. 338.62 sq m=1 Katha=20 paisa=3645 sq. ft. 16.9 sq m   =1 Paisa=        =182.25 sq. ft.
Read more

Ransomware Cyber Attack: One of the biggest Cyber attack in this year

Image
The EU's police agency said the cyber attack hit 200,000 victims in at least 150 countries Officials across the globe scrambled over the weekend to catch the culprits behind a massive ransomware worm that disrupted operations at car factories, hospitals, shops and schools, while Microsoft on Sunday pinned blame on the US government for not disclosing more software vulnerabilities.
Cyber security experts said the spread of the worm dubbed WannaCry - "ransomware" that locked up more than 200,000 computers in more than 150 countries - had slowed but that the respite might only be brief amid fears new versions of the worm will strike.

Download: Safe instruction

In a blog post on Sunday, Microsoft President Brad Smith appeared to tacitly acknowledge what researchers had already widely concluded: The ransomware attack leveraged a hacking tool, built by the US National Security Agency, that leaked online in April.
"This is an emerging pattern in 2017," Smith wrote. &qu…
Read more

Learn Artificial Intelligence Modelling Language (AIML)

Artificial Intelligence Modelling Language (AIML) Tutorial AIML stands for Artificial Intelligence Modelling Language. AIML is an XML based markup language meant to create artificial intelligent applications. AIML makes it possible to create human interfaces while keeping the implementation simple to program, easy to understand and highly maintainable. This tutorial will teach you the basics of AIML. All the basic components of AIML with suitable examples have been discussed in this tutorial.
Read more

Learn Amazon Marketplace

Amazon Marketplace Tutorial Amazon, the E-commerce giant, is one of the oldest merchants on the web and has over 200 million customers worldwide. Amazon is the unrivalled marketplace to sell products online. It provides an excellent platform for conducting online business and has proved beneficial for both buyers and sellers. Amazon is an extremely popular e-commerce site that can help expand your reach in the market and improve the visibility of your product in a unique way. In this tutorial, we will try to understand in detail how Amazon Marketplace functions.
Read more