投稿時間:2023-03-18 07:13:42 RSSフィード2023-03-18 07:00 分まとめ(15件)

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Google	カグア！Google Analytics 活用塾:事例や使い方	音楽配信ディストリビューターごとの配信可能VOCALOID比較	https://www.kagua.biz/marke/podcast/20230318a1.html	applemusic	2023-03-17 21:00:43
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海外TECH	DEV Community	Cookies-Based Authentication Vs Session-Based Authentication	https://dev.to/emmykolic/cookies-based-authentication-vs-session-based-authentication-1f6	Cookies Based Authentication Vs Session Based Authentication IntroductionIf There s one thing I would like to know previously it is the entire way Authentication works session authentication and cookie authentication are both types of token based authentication So we will be talking about Cookie Based and Session Based Authentication As a developer there will come a time when you will see the need of using authentication in your web application What images do you have in mind when you hear the terms sessions and cookies Cookies are kept on the client directly Browser Whereas sessions make use of a cookie as a kind of key to link with the information kept on the server side Because the actual values are concealed from the client and the developer has control over when the data expires sessions are preferred by the majority of developers Without wasting your time let s jump straight into this guide What Is AuthenticationVerifying a user or entity s identity to access a system network or application is known as authentication It entails confirming that the user s or an entity s identity credentials such as a username and password a security token biometric information or a digital certificate are accurate To ensure that only authorized parties or individuals are given access to sensitive data and resources authentication is a crucial component of security To offer a secure and dependable access control system it is frequently used in conjunction with other security measures including authorization encryption and multi factor authentication What Is Session AuthenticationWhen a user logs into an application or website session authentication a sort of token based authentication creates a special session ID for them The server side storage of this session ID is used to verify user requests made after that point The server generates a fresh session ID and links it to the user s account each time they log in The user s browser then receives this session ID as a cookie which is saved on the user s device With each successive request the user s browser subsequently sends the session ID back to the server enabling it to confirm the user s identity and grant access to secured resources Web apps and websites frequently utilize session authentication to provide users access to their accounts without requiring them to enter their passwords again each time they change pages or do other actions It frequently works in tandem with other security measures like multi factor authentication and encryption to offer a strong and dependable access control solution Pron Of Session Based AuthenticationSession based authentication has advantages below are the advantages while using Session Based authentication Security By asking the user to enter login information for each session session based authentication aids in preventing unwanted access to a user s account As a result it becomes more challenging for attackers to access a user s account because they would need to be aware of the login information for each session User Experience Since a user only needs to log in once and their session is kept active for a while session based authentication can make using the system easier e g minutes or an hour This indicates that the user can go between pages of the website or application without repeatedly entering their login information Scalability As the server just needs to keep track of active sessions rather than keeping login information for each user session based authentication can be readily scaled up to handle huge numbers of users Cons Of Session Based AuthenticationSession Based Authentication s drawbacks One of the largest threats to session based authentication is session hijacking in which an attacker takes control of a user s session and assumes their identity Using safeguards like SSL encryption secure session cookies and session timeouts can help to mitigate this Session Fixation This potential flaw in session based authentication occurs when a user s session ID is established by an attacker before the user logs in giving the attacker control of the user s session after the user logs in By creating a fresh session ID after the user logs in this can be avoided Resource Consumption Because the server must keep track of all active sessions session based authentication can be very resource intensive This is because this procedure uses a lot of memory and processing power By putting in place restrictions like session timeouts and a cap on the number of active sessions per user this can be lessened What Are Cookies AuthenticationWebsites and web apps employ cookies authentication as a user authentication technique After a person logs in to a website little text files known as cookies are used and kept on their device A cookie with a special identifier linked to the user s account is created by the website when a user checks in The user s device then receives and stores this cookie in their browser The website may recognize the user and authenticate them without them having to log in again by sending the cookie back to the website on subsequent visits As users do not need to log in repeatedly to access their accounts cookies authentication can be used to offer a simple and seamless user experience To avoid jeopardizing the security of the user s account it is crucial to make sure that the cookies used for authentication are safe and difficult to manipulate Also because it could not always offer enough security cookie authentication might not be appropriate for all websites or applications Pron Of Cookies Based AuthenticationCookies Based Authentication s AdvantagesConvenience Cookies based authentication makes it easier for users to access the website or application since they don t need to continuously enter their login information after closing their browser or powering off their device Scalability Because the server only needs to keep track of each user s active sessions cookies based authentication may be scaled up to handle enormous numbers of users Personalization By collecting users preferences and behavior on the website or app cookies based authentication enables websites or applications to tailor the user experience Cons Of Cookies Based AuthenticationNegative aspects of cookies based authenticationSecurity Risks Cross site scripting XSS attacks and session hijacking are two security vulnerabilities that cookies based authentication may be subject to Session timeouts SSL encryption and the use of secure cookies are among the countermeasures that can be used to lessen this risk Cookies based authentication can present privacy issues because the website or application may be gathering and storing personal information about the user By putting policies in place like making clear privacy policies and receiving explicit user agreements for data collecting this can be lessened Users who share devices or use public computers might not have the optimal user experience using cookies based authentication because other users may be able to access their login information if it is kept on the device Using safeguards like giving users the choice to log out of the session and erasing the cookies when a user signs out can help to mitigate this Difference Between Cookies Based Authentication And Session Based AuthenticationCommon methods for preserving user authentication over numerous requests in web applications include cookies based authentication and session based authentication Cookies based authentication involves putting authentication data in a cookie that is saved on the user s browser including their login credentials To identify the user and preserve their authorized state the server sends this cookie along with every subsequent request the user makes to the web application On the other hand session based authentication includes saving the authentication data on the server side An exclusive session ID is generated and linked to an account when a user checks in This session ID is then provided to the server with each subsequent request and saved on the user s browser as a cookie The user s authentication details can then be looked up by the server using the session ID which helps to keep the user in an authenticated state The location of the authentication data storage is the primary distinction between cookies based authentication and session based authentication Although session based authentication stores the authentication data on the server cookies based authentication stores it on the user s browser In general cookies based authentication is simpler to implement because the server doesn t need to keep track of any session data which is a benefit Cookies based authentication is more susceptible to security threats like cookie theft and session hijacking though As the authentication data is retained on the server and inaccessible to the user session based authentication is typically thought to be more secure Nevertheless because the server must manage session timeouts and expiration as well as session information session based authentication might be trickier to implement In the end the web application s demands and requirements will determine whether to use cookies based authentication or session based authentication Which one should I use Every developer is entitled to His Her opinion on which authentication to use But my advice is to use session based authentication because it s safer While building your site or application you may need to go for any of them Below are the use cases for Session and Cookies authentication Use case for Cookies AuthenticationWhen a person registers to a website cookies authentication is frequently used The server creates a distinct session ID after verifying the user s credentials once they submit their username and password The user s browser s cookie then contains the session ID Each time the user makes a new request to the server the cookie is sent along with it enabling the server to recognize the user and deliver customized information Because it is reasonably simple to implement and is widely supported by web browsers cookies authentication is a popular option Use case for Session AuthenticationWhen a user interacts with a web application that necessitates repeated requests to complete a job session authentication is frequently used To place an order on an e commerce website for instance a user may need to add items to their cart enter shipping details and enter payment information The server constructs a session object linked to the user s login credentials to preserve the state of the order across multiple requests An individual session ID is delivered in a cookie to the user s browser along with this session object which is saved on the server The server can obtain the session object and keep track of the order s status because each future request from the user includes the session ID To enable safe stateful interactions between the user and the web application session authentication is frequently combined with cookie authentication Best Practices for Cookies Based AuthenticationAuthentication Using Cookies Best Practices With the HttpOnly and Secure flags set use secure cookies Consider the sensitivity of the data and the user s behavior when setting the cookie expiration time To prevent tampering encrypt the cookie contents using powerful encryption methods To stop replay attacks give each cookie a special identification number In stateless apps or other situations where cookies are inappropriate take into account utilizing a token based strategy as an alternative to cookies for authentication Best Practices for Session Based AuthenticationSession based authentication best practicesUse a private random session identification and save it on the server To lessen the chance of a session being hijacked limit the session s lifespan Use secure session archiving techniques such as an encrypted file or database system To protect the session data while it is in transit use SSL TLS encryption When logging out or after a predetermined amount of inactivity invalidate the session In both situations it is crucial to routinely evaluate and audit the authentication procedures to spot and fix any potential security flaws Users must also be instructed about best practices such as not disclosing their login information to others and staying away from public computers when conducting sensitive business ConclusionFinally we re done with this guide hope you ve gained a ton of value Going through this guide entirely you will learn the basics of Cookies and Sessions authentication and learn more about authentication itself We also saw a lot of differences between them you ll bet me that going through this guide was a waste Feel free to drop a comment in the comment section like this guide and follow me for More Thanks till next time About The AuthorFull stack Laravel developer Emmanuel Okolie has years of experience working in the software development sector By combining software development writing and instructing others in what he does he has developed full fledged skills His stacks include ReactJs Laravel PHP JavaScript and other languages and frameworks He creates websites for clients as a freelancer and writes technical guides to show people how to do his work If given the chance Emmanuel Okolie would enjoy speaking with you Please go to and follow him on his website Facebook Github LinkedIn and Twitter	2023-03-17 21:48:43
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海外科学	NYT > Science	What Are Raccoon Dogs?	https://www.nytimes.com/2023/03/17/health/coronavirus-raccoon-dogs.html	raccoon	2023-03-17 21:19:19
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