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subudeepak /
Last active Sep 7, 2021
The problems and some security implications of websockets - Cross-site WebSockets Scripting (XSWS)

WebSockets - An Introduction

WebSockets is a modern HTML5 standard which makes communication between client and server a lot more simpler than ever. We are all familiar with the technology of sockets. Sockets have been fundamental to network communication for a long time but usually the communication over the browser has been restricted. The general restrictions

  • The server used to have a permanent listener while the client (aka browser) was not designated any fixed listener for a more long term connection. Hence, every communication was restricted to the client demanding and the server responding.
  • This meant that unless the client requested for a particular resource, the server was unable to push such a resource to the client.
  • This was detrimental since the client is then forced to check with the server at regular intervals. This meant a lot of libraries focused on optimizing asynchronous calls and identifying the response of asynchronous calls. Notably t
saliceti / pre-commit
Last active Mar 12, 2021
Git pre-commit hook to check for AWS keys
View pre-commit
#!/usr/bin/env bash
# Install globally using
# The checks are simple and can give false positives. Amend the hook in the specific repository.
if git rev-parse --verify HEAD >/dev/null 2>&1
# Initial commit: diff against an empty tree object