Session is defined as the period of time a unique user interacts with a web application. Session state is stored as key-value pairs in memory during a user's session. Cookies allow web applications to identify returning users by storing a unique key in the user's browser that is sent back to the server on subsequent requests. ASP.NET improves on classic ASP sessions by making session state process-independent and supporting server farms and cookieless sessions through various configuration options.
This project was done for my fourth semester ( Computer Science) for the subject Cryptography and Network Security. For this project coding was done in PHP
This project was done for my fourth semester ( Computer Science) for the subject Cryptography and Network Security. For this project coding was done in PHP
In this session, you will learn about what are sessions, cookies, how we can implement authentication in nodejs. And will also see about the CSRF attacks.
this ppt will give you information about :
1. Introduction to www
2. History Understanding client/server roles Apache
3. HTML
4. PHP
5. MySQL
6. JS
7. HTML & CSS
8. XAMPP Installation
Is your farm struggling to server your organization? How long is it taking between page requests? Where is your bottleneck in your farm? Is your SQL Server tuned properly? Worried about upgrading due to poor performance? We will look at various tools for analyzing and measuring performance of your farm. We will look at simple SharePoint and IIS configuration options to instantly improve performance. I will discuss advanced approaches for analyzing, measuring and implementing optimizations in your farm.
SQL Server Lift & Shift on Azure - SQL Saturday 921Marco Obinu
Slides presented at SQL Saturday 921, while talking about how to plan a Lift & Shift migration for SQL Server workloads, depicting the pros & cons of using different Azure services as landing zones.
AWS re:Invent 2016: Amazon CloudFront Flash Talks: Best Practices on Configur...Amazon Web Services
In this series of 15-minute technical flash talks you will learn directly from Amazon CloudFront engineers and their best practices on debugging caching issues, measuring performance using Real User Monitoring (RUM), and stopping malicious viewers using CloudFront and AWS WAF.
This session introduces tools that can help you analyze and troubleshoot performance with SharePoint 2013. This sessions presents tools like perfmon, Fiddler, Visual Round Trip Analyzer, IIS LogParser, Developer Dashboard and of course we create Web and Load Tests in Visual Studio 2013.
At the end we also take a look at some of the tips and best practices to improve performance on SharePoint 2013.
It Covers subject 15CS71-Web Technology and Its Applications, Module-5, from B.E. Computer Science & Engineering- Semester–VII, under Visvesvaraya Technological University, Belagavi
Presentation Overview:
Consumers demand a single connected experience across multiple devices, whether they’re browsing from a desktop computer, or searching from their mobile device. Sitecore makes this consumer experience seamless.
Presentation on Sitecore xDB and the importance of session state and configuration guidelines and best practices.
Even though the presentation is a bit technical, it has strong business value in terms of accurate behavior tracking and our ability to optimize the experience based on that.
Elevate Your Brand with Digital Marketing for Fashion IndustryMatebiz Pvt. Ltd
Matebiz Pvt. Ltd. specializes in providing cutting-edge digital marketing for Fashion Industry. Our comprehensive strategies ensure that your brand stands out in the competitive fashion landscape. From targeted social media campaigns to search engine optimization tailored for fashion keywords, we cover it all. With a deep understanding of industry trends and consumer behavior, we craft compelling content and engaging visuals to enhance your online presence. Trust Matebiz Pvt. Ltd. to elevate your fashion brand through strategic digital marketing initiatives.
Are Gutters Necessary? Explore the details now!AmeliaLauren3
Gutters are typically installed at a slight downward slope to allow water to flow freely towards downspouts or drains – the downspout being the vertical pipe attached to the gutters. The water is subsequently transported by the downspout to either the ground or an underground drainage system. Maintaining a gutter system that is free of blockages and functional requires regular maintenance.
But, many wonder in what situations gutters are required and not required. In this ppt we will discuss in detail the matter, ‘Are Gutters Necessary?’
In this session, you will learn about what are sessions, cookies, how we can implement authentication in nodejs. And will also see about the CSRF attacks.
this ppt will give you information about :
1. Introduction to www
2. History Understanding client/server roles Apache
3. HTML
4. PHP
5. MySQL
6. JS
7. HTML & CSS
8. XAMPP Installation
Is your farm struggling to server your organization? How long is it taking between page requests? Where is your bottleneck in your farm? Is your SQL Server tuned properly? Worried about upgrading due to poor performance? We will look at various tools for analyzing and measuring performance of your farm. We will look at simple SharePoint and IIS configuration options to instantly improve performance. I will discuss advanced approaches for analyzing, measuring and implementing optimizations in your farm.
SQL Server Lift & Shift on Azure - SQL Saturday 921Marco Obinu
Slides presented at SQL Saturday 921, while talking about how to plan a Lift & Shift migration for SQL Server workloads, depicting the pros & cons of using different Azure services as landing zones.
AWS re:Invent 2016: Amazon CloudFront Flash Talks: Best Practices on Configur...Amazon Web Services
In this series of 15-minute technical flash talks you will learn directly from Amazon CloudFront engineers and their best practices on debugging caching issues, measuring performance using Real User Monitoring (RUM), and stopping malicious viewers using CloudFront and AWS WAF.
This session introduces tools that can help you analyze and troubleshoot performance with SharePoint 2013. This sessions presents tools like perfmon, Fiddler, Visual Round Trip Analyzer, IIS LogParser, Developer Dashboard and of course we create Web and Load Tests in Visual Studio 2013.
At the end we also take a look at some of the tips and best practices to improve performance on SharePoint 2013.
It Covers subject 15CS71-Web Technology and Its Applications, Module-5, from B.E. Computer Science & Engineering- Semester–VII, under Visvesvaraya Technological University, Belagavi
Presentation Overview:
Consumers demand a single connected experience across multiple devices, whether they’re browsing from a desktop computer, or searching from their mobile device. Sitecore makes this consumer experience seamless.
Presentation on Sitecore xDB and the importance of session state and configuration guidelines and best practices.
Even though the presentation is a bit technical, it has strong business value in terms of accurate behavior tracking and our ability to optimize the experience based on that.
Elevate Your Brand with Digital Marketing for Fashion IndustryMatebiz Pvt. Ltd
Matebiz Pvt. Ltd. specializes in providing cutting-edge digital marketing for Fashion Industry. Our comprehensive strategies ensure that your brand stands out in the competitive fashion landscape. From targeted social media campaigns to search engine optimization tailored for fashion keywords, we cover it all. With a deep understanding of industry trends and consumer behavior, we craft compelling content and engaging visuals to enhance your online presence. Trust Matebiz Pvt. Ltd. to elevate your fashion brand through strategic digital marketing initiatives.
Are Gutters Necessary? Explore the details now!AmeliaLauren3
Gutters are typically installed at a slight downward slope to allow water to flow freely towards downspouts or drains – the downspout being the vertical pipe attached to the gutters. The water is subsequently transported by the downspout to either the ground or an underground drainage system. Maintaining a gutter system that is free of blockages and functional requires regular maintenance.
But, many wonder in what situations gutters are required and not required. In this ppt we will discuss in detail the matter, ‘Are Gutters Necessary?’
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Discover how different wall paint colors can influence your mood and mental well-being. Learn the psychological effects of colors and find the perfect hue for every room in your home.
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1. Sessions and Cookies
Sessions and Cookies
Vi l P i
Vi l P i
Visual Programming
CS 783
Asim Israr
Visual Programming
CS 783
Asim Israr
Asim Israr
Asim Israr
2. What is Session?
A session is defined as the period of time
that a unique user interacts with a web
that a unique user interacts with a web
application.
3. Session state
Session state
• Programmatically, session state is
nothing more than memory in the
shape of a dictionary or hash table,
e.g. key-value pairs, which can be set
and read for the duration of a user's
session
4. ASP Session State
ASP Session State
• ASP maintains session state by
providing the client with a unique key
assigned to the user when the
session begins
• This key is stored in an HTTP cookie
y
that the client sends to the server on
each request.
q
• The server can then read the key
from the cookie and re-inflate the
from the cookie and re inflate the
server session state.
5. ASP Session State
P bl
Problems
• Process dependent
– ASP session state exists in the process that
hosts ASP
S f li it ti
• Server farm limitations
– ASP session state is machine specific. Each
ASP server provides its own session state and
ASP server provides its own session state, and
unless the user returns to the same server, the
session state is inaccessible
• Cookie dependent
– Clients that don't accept HTTP cookies can't
take advantage of session state
take advantage of session state
6. ASP.NET session state solves all of the
above problems associated with classic
ASP session state
• Process independent
p
– ASP.NET session state is able to run in a separate
process from the ASP.NET host process
• Support for server farm configurations
– By moving to an out-of-process model, ASP.NET
also solves the server farm problem
also solves the server farm problem
• Cookie independent
Cookieless session state support through simple
– Cookieless session state support through simple
configurations
7. Session Configurations
Session Configurations
fi i
<configuration>
<sessionstate
mode="inproc"
cookieless="false"
cookieless= false
timeout="20"
sqlconnectionstring="data
source=127 0 0 1;user id=<user
source 127.0.0.1;user id <user
id>;password=<password>"
server="127.0.0.1"
port="42424" />
p
</configuration>
8. Session Configurations
Session Configurations
• Mode. The mode setting supports
three options: inproc, sqlserver, and
stateserver. ASP.NET supports two
modes: in process and out of
process. There are also two options
for out-of-process state management:
memory based (stateserver), and
SQL Server based (sqlserver).
9. Session Configurations
Session Configurations
• Cookieless. The cookieless option for
ASP.NET is configured with simple
Boolean setting.
• Timeout. This option controls the
length of time a session is considered
g
valid. The session timeout is a sliding
value; on each request the timeout
q
period is set to the current time plus
the timeout value
10. Session Configurations
Session Configurations
• Sqlconnectionstring. The
sqlconnectionstring identifies the
database connection string that
names the database used for mode
sqlserver.
• Server. In the out-of-process mode
stateserver, it names the server that
is running the required Windows NT
service: ASPState.
11. Session Configurations
Session Configurations
• Port. The port setting, which
accompanies the server setting,
identifies the port number that
corresponds to the server setting for
mode stateserver.
12. Performance and Reliability
Considerations
• In process
In process
– In process will perform best because the
session state memory is kept within the
y p
ASP.NET process.
– For Web applications hosted on a single
pp g
server, applications in which the user is
guaranteed to be re-directed to the
h i
correct server, or when session state
data is not critical, this is the mode to
choose
choose.
13. Performance and Reliability
Considerations
• Out of process
Out of process
– This mode is best used when
performance is important but you can't
p p y
guarantee which server a user will
request an application from.
– With out-of-process mode, you get the
performance of reading from memory
d h li bili f
and the reliability of a separate process
that manages the state for all servers.
14. Performance and Reliability
Considerations
• SQL Server
SQL Server
– This mode is best used when the
reliability of the data is fundamental to
y
the stability of the application, as the
database can be clustered for failure
scenarios.
– The performance isn't as fast as out of
b h d ff i h hi h
process, but the tradeoff is the higher
level of reliability.
15. What is Cookie?
A cookie is a small bit of text that accompanies
requests and pages as they go between the
q p g y g
web server and browser.
Contains information the web application can
read whenever the user visits the site
16. Background
Background
• For example, if a user requests a
page from your site and your
application sends not just a page, but
also a cookie containing the date and
time, when the user's browser gets
the page, the browser also gets the
cookie, which it stores in a folder on
the user's hard disk.
17. Background
Background
• Later, if user requests a page from
your site again, when the user enters
the URL the browser looks on the
local hard disk for a cookie
associated with the URL.
• If the cookie exists, the browser
sends the cookie to your site along
y g
with the page request.
18. Background
Background
• Your application can then determine
the date and time that the user last
visited the site.
• You might use the information to
display a message to the user or
p y g
check an expiration date.
19. Background
Background
• Cookies are associated with a Web
site, not with a specific page, so the
browser and server will exchange
cookie information no matter what
page the user requests from your
site.
• As the user visits different sites, each
site might send a cookie to the user's
browser as well; the browser stores
all the cookies separately.
20. Usage
Usage
• Cookies are used for many purposes,
all relating to helping the Web site
remember users
• For example, a site conducting a poll
might use a cookie simply as a
g p y
Boolean value to indicate whether a
user's browser has already
y
participated in voting so that the user
cannot vote twice.
21. Usage
Usage
• A site that asks a user to log on might
use a cookie to record that the user
already logged on so that the user
does not have to keep entering
credentials.
22. Limitations
Limitations
• Most browsers support cookies of up
to 4096 bytes.
– Because of this small limit, cookies are
best used to store small amounts of
data
• Browsers also impose limitations on
how many cookies your site can store
on the user's computer
• Users can set their browser to refuse
cookies