1
vote
2answers
246 views

Can older or custom web browsers override the same origin policy?

I totally understand the basis of origin policy and the reasoning why all modern browsers have put this policy into place. My question I guess is, do older browsers support this, and if they don't, ...
0
votes
1answer
200 views

Preventing DoS in Ajax Calls

We have Ajax call to validate the UserID on create page so that user there only can know if their chosen ID is available or not. We have this URL exposed : https://mydomain.com/validateId?id=<user ...