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FIN-PSH-ACK server-side closure provoking RST from the client


FIN-PSH-ACK server-side closure provoking RST from the client

By : Alfredo Monroy
Date : November 20 2020, 01:01 AM
I hope this helps . Ok, I got my head round it myself. When I call close() based on epoll's RDHUP/HUP flags I do not get 0 from read(file_descriptor) call, that is there is a potential that some data are still in skb (even though I read it before checking RDHUP/HUP flags). Under this circumstances the kernel send RST in place of FIN according to this:
(http://en.wikipedia.org/wiki/Transmission_Control_Protocol#Connection_termination)
code :


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Client/Server Certificate Authentication: IIS server-side, Blackberry native browser client-side

Client/Server Certificate Authentication: IIS server-side, Blackberry native browser client-side


By : Chen Liu
Date : March 29 2020, 07:55 AM
like below fixes the issue Yes, the BlackBerry browser has supported this method of authentication since at least OS 4.6 (the first Bold). The issue is getting the appropriate certificate to the device in a way secure enough for your application without BES.
When sending information from the client to the server, do I enforce rules on the client side or server side (or both)?

When sending information from the client to the server, do I enforce rules on the client side or server side (or both)?


By : user3715764
Date : March 29 2020, 07:55 AM
With these it helps It’s always a good practice to have at least the validation on the controller, this way you’re sure that your application is NOT receiving invalid data.
The validation on client side is also important because you can provide a good feedback for the client when this one takes your forms in a wrong way.
Should I duplicate the form validation on client side in server side just like client side validations?

Should I duplicate the form validation on client side in server side just like client side validations?


By : s.donald
Date : March 29 2020, 07:55 AM
To fix the issue you can do Since you are already doing the server-side validation, the question really is whether you want to still provide a comparable user experience for users who don't get the client-side validation for whatever reason, and that's up to you.
I don't think it's 100% safe to assume that everyone with JavaScript disabled is up to no good, but the percentage of legit users without JavaScript is probably small enough that you don't need to invest in providing the same level of user experience for them. This Q&A on ux.stackexchange.com may offer some insight on that. (It's a bit old, but I think its points are still valid.)
Pass variable from server-side controller to client-side to use in client-side JavaScript

Pass variable from server-side controller to client-side to use in client-side JavaScript


By : Mustansar Hussain
Date : March 29 2020, 07:55 AM
I wish this helpful for you You should never restrict a user's access only using client-side javascript since the only thing the user has to do to overcome your restrictions is to edit the rendered javascript file.
You should use a templating library like Pug to only render the allowed options to a user and even after that you should do backend checks for restricted controllers.
code :
// app.js
...
Router.get('/', (req, res, next) => {
  res.render('indexPage', {loggedIn: true});
});

// indexPage.pug
html
  head
    //- ... head stuff
    nav
      if(loggedIn)
        a.nav-item(href='/profile') Profile
      else
        a.nav-item(href='/signin') Sign In
React server-side rendering - what is the performance impact of producing different html server-side to client-side?

React server-side rendering - what is the performance impact of producing different html server-side to client-side?


By : Nath
Date : March 29 2020, 07:55 AM
wish of those help From my practice it’s negligible.
The idea of react hydrate that it takes the server-side generated DOM and try to reuse it on maximum.
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