Collaborate Disseminate
I can succesfully validate newly generated email adress (check if mx record exist) if it’s a Gmail, but when checking Hotmail adress I get the following:
b’550 5.7.1 Service unavailable. Client host 23.129.xx.xxx blocked using Spamhaus.
I … Continue reading Email validation blocked by Spamhaus
I am having trouble with some user input security. I have a Flutter app where users can submit comments that can contain text e.g. a-z characters, numbers, symbols and emojis. These are stored in a Firestore database.
I have performed chec… Continue reading Sanitising data for a flutter application
I have finally found a HTML validator running on the command line, locally, which actually works and doesn’t want me to pay them money. It appears to work.
It’s this one, apparently made by W3: https://validator.github.io/validator/
Each t… Continue reading The v.Nu HTML validator program does not send anything over the network, does it? [closed]
I’ve read this post where it says:
"…an attacker can still take the whole signed content and present it
to you but won’t be able to change any details or the signature won’t
match."
How does the browser validate the details … Continue reading Certificate validation details. How it’s done? [closed]
Would it not be useful for account providers that allow online/phone signup/ordering to immediately verify the email address supplied to them?
I was forced to ponder this recently when I became the apparent victim of identity theft. Someo… Continue reading Is there any reasonable argument against immediately validating a new customer’s email address?
I downloaded Google’s Cloud SDK installer today, and upon checking the certificate to validate it, I noticed something strange: the expiration date of the certificate appears to be December 22nd 2019 – over four months from today, April 30… Continue reading Why does Windows consider a certificate valid even after its expiration time?
Often, in different websites, when I input text into a field with JavaScript (for the sake of automating form filling):
document.querySelector(“#username”).value = “USERNAME”;
I encounter the following problem.
My problem
The very inp… Continue reading What can make a web application not recognizing inputting values with JavaScript? [closed]
Reading the ETSI EN 319 102-1 V1.1.1 (2016-05) Electronic Signatures and Infrastructures (ESI); Procedures for Creation and Validation of AdES Digital Signatures; Part 1: Creation and Validation.
The signature validation procedures and re… Continue reading QES AdESQC TL based Signature Validation Policy
I have an input field in a web that is being saved. This field can be shown in other systems that I do not have control over and that’s why I would like to limit what is allowed in this field, although I would like to allow s… Continue reading Which symbols can I whitelist to remain safe against SQL injection, XSS, and all other injections attacks?
I’m testing a website:
https://this-site.com/path/to/dirs
but what i’ve found is if I do the following below the site will load 4 pages in a infinite loop
https://this-site.com/path/to/dirs/…/.
I was thinking it would… Continue reading What type of vulnerabilty is this?