Panos Sakkos le4ker
le4ker
/ fluentd.conf
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April 17, 2023 21:05
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| <source> | |
| @type tail | |
| path /var/log/nginx/**.log | |
| pos_file /var/log/td-agent/le4ker.me/nginx/log.pos | |
| tag nginx | |
| read_from_head true | |
| <parse> | |
| @type none | |
| </parse> | |
| </source> |
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| <html> | |
| <body> | |
| <script> | |
| // The following Javascript resizes the iframe's height when Blocktopus' embeded page's height changes | |
| window.addEventListener("message", receiveMessage, false); | |
| function receiveMessage(event) { | |
| if (event.data.event_id == 'blocktopus_height') { | |
| iframe = document.getElementById("blocktopus_iframe"); | |
| iframe.height = event.data.value + "px"; |
le4ker
/ embed-blocktopus-sign-in.html
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September 6, 2019 00:16
Blocktopus embed iframe for signing-in to third-party service
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| <html> | |
| <body> | |
| <script> | |
| window.addEventListener("message", receiveMessage, false); | |
| function receiveMessage(event) { | |
| if (event.data.event_id == 'blocktopus_height') { | |
| iframe = document.getElementById("blocktopus_iframe"); | |
| iframe.height = event.data.value + "px"; |
le4ker
/ ecs-certbot-renew.sh
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January 18, 2019 11:10
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| # sudo rm -rf /opt/eff.org | |
| #cd /opt/letsencrypt | |
| #sudo ./letsencrypt-auto renew --standalone --debug | |
| sudo rm -rf /opt/eff.org/* | |
| sudo pip install -U certbot | |
| sudo /usr/local/bin/certbot renew --standalone --debug --preferred-challenges http-01,dns-01 | |
| # https://community.letsencrypt.org/t/upcoming-tls-sni-deprecation-in-certbot/76383 |
le4ker
/ nginx-certbot
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February 11, 2023 11:37
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| user www-data; | |
| worker_processes auto; | |
| pid /run/nginx.pid; | |
| include /etc/nginx/modules-enabled/*.conf; | |
| events { | |
| worker_connections 768; | |
| # multi_accept on; | |
| } |
le4ker
/ ecs-certbot.sh
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October 31, 2020 12:51
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| # https://superuser.com/questions/1072408/how-to-install-lets-encrypt-on-amazon-linux | |
| sudo certbot certonly --standalone --debug |
le4ker
/ cbc-bit-flipping.rb
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October 22, 2017 16:30
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| # # # # # # # # # # # # # # # # # # # # # # # # # # | |
| # Demonstration of CBC Bit Flipping Attack # | |
| # Author: Panos Sakkos <panos.sakkos@gmail.com> # | |
| # Date: October 2017 # | |
| # License: MIT # | |
| # # # # # # # # # # # # # # # # # # # # # # # # # # | |
| require 'openssl' | |
| class UnauthenticatedEncryption |
le4ker
/ padding-oracle-attack.rb
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September 17, 2023 09:56
A demonstration of Padding Oracle Attack
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| # # # # # # # # # # # # # # # # # # # # # # # # # | |
| # Demonstration of Padding Oracle Attack # | |
| # Author: Panos Sakkos <panos.sakkos@gmail.com> # | |
| # Date: May 2017 # | |
| # License: MIT # | |
| # # # # # # # # # # # # # # # # # # # # # # # # # | |
| require 'openssl' | |
| class PaddingOracle |
le4ker
/ length-extension-attack.rb
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May 21, 2017 20:40
A demonstration of length extention attack
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| # # # | |
| # /17/sha-256.rb | |
| # (c) 2010 Jan Lelis <mail@janlelis.de>. MIT License. | |
| # See: http://ruby.janlelis.de/17-sha-256 | |
| # | |
| # May 2017, Modified by Panos Sakkos to demonstrate Length Extension Attack | |
| # - Refactored so the initialization vector and message length can be injected. | |
| # - Added example of length extension attack | |
| # # # |
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