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#1 Due to lockdown, Jio has provided prepaid recharge facility from ATM

On the other hand, during online recharge, Jio has recently come up with a prepaid recharge facility from the ATM. Jio prepaid connection can be recharged from selected ATMs across the country. No GT prepaid number can be recharged from the ATM machine without any OTP and offering unlimited voice calls. Jio recently announced on Twitter that the facility will be available from ATM machines at ATF Bank, Axis Bank, DCB Bank, HDFC Bank, ICICI Bank, IDBI Bank, IDFC Bank, Standard Chartered Bank and State Bank of India. There are about one lakh ATMs in these banks across the country.

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#2 Special benefits for Jio Phone customers till April 17

Jio Phone gives customers 100 minutes talk time and 100 SMS free Reliance Jio. The Talktime and SMS will be valid until April 17. Mukesh Ambani's company announced on Tuesday. In addition, the incoming call service will continue until April 17 when any Jio Phone customer validation in the lockdown expires. Lockdown is underway across the country to prevent coronavirus infection. This time, the company has decided to comfort customers. The company has not announced any benefits for its smartphone customers, despite the fact that it has taken advantage of Jio Phone customers.  

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#3 Minutes published from 6 paise. Airtel and Vodafone are offering unlimited voice calls to these plans for less than Rs 200

Jio subscribers are getting extra charges for calling other networks recently. It costs an extra 6 paise per minute. There is the problem of additional top-up recharge. When the free minutes are over, you have trouble making an emergency call when needed. However, Airtel and Vodafone are still calling all mobile networks of the entire country for free.  Airtel and Vodafone are offering unlimited voice calls to these plans for less than Rs 200. Airtel Unlimited plans for less than Rs 200 RS - 97 Airtel prepaid customers will be able to make unlimited local, national and roaming calls on the Rs. 97 plan. Unlimited calls can be made to all networks. There is a total of 500MB of 4G data with 300 SMS. With this plan, Airtel Xtream and Wynk Music app can be used for free. Rs. 97 plan Validity of the plan is 14 days.  RS - 129 Airtel prepaid customers will be able to make Unlimited Local, National and Roaming calls on the Rs 129 plan. Unlimited calls can be made to all networks. There is a total of 2GB 4G data with 300 SMS. With this plan, Airtel Xtream and Wynk Music app can be used for free. 129 plan validity is 28 days. RS - 169 Airtel prepaid customers will be able to make Unlimited Local, National and Roaming calls on the Rs 169 plan. Unlimited calls can be made to all networks. With 1GB of 4G data per day and 100 SMS usage per day. With this plan Airtel Xtream and Wynk Music app can be used for free. 169 The validity of the plan is 28 days. There are no cashback offers on this plan. RS – 199 Airtel's prepaid customers will be able to make unlimited local, national and roaming calls in the $ 199 plan. Unlimited calls can be made to all networks. With 1.5GB of 4G data per day and 100 SMS usage per day. Staying with it for 28 days FREE Shaw Academy subscription, Wynk Music subscription, Airtel Xtream premium subscription and 1 Year Norton Mobile Security.199 days validity of the plan. From the Airtel application, 100 % (percent) cashback will be available by recharging the Rs 199 plan. 10 vouchers of 20 rupees will be available. This voucher can be used on mobile recharge from Airtel App in the future.   Vodafone Unlimited plans for less than Rs 200 RS - 129 Vodafone prepaid customers will be able to make Unlimited Local, National and Roaming calls on the Rs 129 plan. Unlimited calls can be made to all networks. There is a total of 2GB data with 300 SMS. 129 Vodafone prepaid plan validity is 28 days. RS - 139 Vodafone prepaid customers will be able to make Unlimited Local, National and Roaming calls on the Rs 139 plan. Unlimited calls can be made to all networks. There is a total of 3GB data with 300 SMS. 139 Vodafone prepaid plan validity is 28 days. RS - 169 All the benefits of the RS 199 Plan will be available on the RS 169 Plan. However, although the 199GB plan uses 1.5GB of data per day, the 169 plan uses 1GB of data per day. 169 Vodafone prepaid plans have 28 days. No cashback will be available if you recharge the plan for Rs 169. RS - 199 Vodafone prepaid customers will be able to make Unlimited Local, National and Roaming calls on the Rs 199 plan. Unlimited calls can be made to all networks. With 1.5GB 4G data per day and 100 SMS usage per day. 199 plan customers can use Vodafone Play for free. 199 Vodafone prepaid plan validity is 28 days. Recovering 199 bucks from my Vodafone app will provide 100 percent cash back. Four vouchers worth Rs 50 will be available. In the future, this voucher can be used during recharge from the My Vodafone app.    

#4  BSNL is offering additional validity for lockdown

During the lockdown, all customers who were supposed to end their validity, Bharat Sanchar Nigam Limited has decided to extend the validity of those numbers by April 20. Customers who have expired validity after March 22, will be able to make incoming calls free of charge until April 20.BSNL has decided to comfort customers during lockdown all over the country. Union Electronics and Information Minister Ravi Shankar Prasad told ANI, "No BSNL customer SIM will be shut down until April 20. A recharge of Rs. 10 will be sent to the customer for the outgoing call. ”    

#5 Don't have to worry about lockdown with Validity! Telecom companies of the country stood by the crowd.

What is Firewall ? Importance of Firewall in Network.

A firewall is a system that is designed to prevent Unauthorized access from entering a private internal and external network. A firewall creates a secured barrier between a private network and the public internet network. This protects your network from 'hackers' logging into the machine. A firewall blocks traffic from the outside to the inside. A firewall is most especially important to large organizations. A firewall can be implemented in both hardware-based and software-based or a combination of both.   What does the firewall do? Firewall protects your personal information from hackers. A firewall limits you expose _ blocks "pop up" ads and certain cookies. Firewalls are manage and control inside and outside network traffic. Firewall blocks malicious data, massage, application, port number,  protocol, packet based on content, source address. A firewall is capable of hiding the structure and addressing the scheme of a private network from the public. Firewall examines all traffic route between two the network to see if it meets certain cleataria. Firewalls can be filter packets based on their source and target address and port numbers. It is known as address filtering. Why the firewall used on the computer? Firewall can help to secure your computer. If you have more than connect in the home, or if you have a small office network it's important to provide security every computer. You should have a hardware firewall (like as router)have to protect your network so you should be using a software firewall in your each computing device to prevent the spreading virus. A host-based firewall host computer. Its control inbound and outbound traffic in your network and protect your sensitive information from hackers.

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Types of firewall:

What Is HTTPS and Why Should I Care?

What is https://www.com?   What Is HTTPS? You must have been into web pages on your browser and we required to submit information like your password or credit card number which is something you don't want to share with everybody. For example, if I want to access my Gmail account I have to send my username and password to the Gmail web server so that it cannot indicate my account. But the data that I send to the Gmail server actually goes over the internet which is kind of owned by different companies in parts. The internet service provider that use might be Verizon or a TNT so when you actually connect to the internet you are on your service provider’s network. Let’s Verizon for example. The data you send goes over the Verizon network to maybe few other networks before it finally arrived at the mail server, now I am not saying that one really does but it is possible for a person in one of such companies who have proper access to the network to be able to see the data that one my send over the internet. What is the full form of https?     Hypertext Transper Protocol Secure.  Uses of https? 1.https is secure for website owners and users. 2.https transfer text, audio, video, financial and confidential information one to another device. 3. It is a protocol for a secure way to transfer data between a web server and a browser. 4.https protect our sensitive conversation by hackers. SSL     If the data that I sent over the network is sensitive like the credit card information while making an online payment on the bank account information. It can be a lot of trouble for people of someone on the internet is able to capture it and misuse it, sending data over the internet following the HTTP protocol is like sending some items through a courier service without securing it in a lockbox. So new protocol to handle secure data transfer was invented for handling valuable sensitive data. This protocol was called the SSL (short for secure socket layer).          https is nothing but the HTTP protocol working in tandem with SSL. that is in https SSL takes care of making sure that the data goes securely over the internet. So let's understand SSL now but before we can understand SSL we must be aware of some concepts of Cryptography on which SLS paste. What is the difference between HTTP and HTTPS? HTTPS HTTP 1.URL begins with https://te 2.https full from is hypertext Transfer protocol secure. 3.https operate on TCP/IP protocol. 4.https is a more secure transfer protocol. 5.https used port no is 443. 6. https can not be attacked by hackers. 7.https operate transfer layer. 8.https required by SSL certificate. 9.https is slower than https. 1o.It data has encrypted. 1. URL beginning with http:// 2.http full from is hypertext Transfer protocol. 3.http is operated TCL  protocol. 4.http is less secure transfer protocol. 5.http used port no is 80. 6.http can be hacked. 7.http operate application layer. 8.No SSL certificate is required by HTTP. 9.http is faster than HTTP. 1o.Its data is not encrypted. What does https works? 1.https is a secured version of https. 2.https sent data browser to a website. It communicates browser and website.   3.https protect our sensitive confidential information when we do any transaction like online shopping, banking, any type of confidential work. 4.https has a green color address bar which shows that it was secured. 5.https is required by a secure socket layer (SSL) certificate. Why we should use https? 1.we should use https because it protects the privacy and security of your users. 2. It protects user's personal conversation and data transfer and any other transaction stolen by hackers. 3.https introduction to the service worker. .4.https has many powerful features. 5.htts helps to improve search ranking. What are disadvantaged using https? 1. Using https for a web request will always slow than HTTP. 2. Pages with https can never be cached is a  shared cache.

example

What is an IP address?

IP (internet protocol) is the protocol by which is sent data from one computer to another device on the internet. Each computer on the internet has different IP address identify it from all other computers on the internet. An IP address is a numeric address and identifier for a computer or device on a network. Every device has and has an IP address for communication purposes. The IP address consists of 2 parts. The first part is the network address and the second part is the host address. There also two types of IP addresses the first one is the most common one is called IP version 4 (IPv4) and a second type is IP version 6 (IPv6)

  Internet protocol version 4 (IPv4)

Internet protocol version 4 (IPv4) is the fourth version of the internet protocol (IP). This protocol most used today in data communications over different kinds of the network because it supports all devices.IPv4 invented in 1970. Is IP version 6 4 is the current version (not for long) of IP addresses. 32-bit numeric address written as four numbers separated by periods (55.68.236.15).

This Picture created by Kironmoy Roy Each group of numbers that are separated by period is called in architect. The number range in chartered is equal 0 to 255. This address bro Shankar produced over probably 4.3 billion unique addresses.  

Internet protocol version 6 (IPv6)

Internet protocol version 6 (IPv6) It is the most recent update version protocol of the internet. That provides an identification and location system for computers and routes traffic across the internet. IPv6 invented in 1998. On the internet first developed a program that realizes have big would become. They thought IP version 4 Which produced over 4 billion addresses would be enough, but they were wrong.  IP version 6 is the next generation of IP addresses. The main difference between IP version 4 and IP version 6 is the link to the address. The IP version 4 address is its 32-bit numeric address. Where is IP version 6 is a 128-bit hexadecimal address? Hexadecimal uses both numbers and alphabets in the address.

This Picture created by Kironmoy Roy So with this type of address, IP version 6 can produce an unbelievable 340 and 10 Alien IP addresses does the number 340 with 36 digits afterward guest IP version sex is more than enough for the foreseeable future. So study before IP version 6 is a hundred and twenty-eight (128) bit hexadecimal address. It is made up of 8 sets of 16 bits. With 8 sides are separated by Collins.

DIFFERENCE BETWEEN IPv4 VS IPv6