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@wangyan
wangyan / vps_auto_backup.sh
Created December 21, 2011 12:27
vps automatic local and offsite backup shell cript
#! /bin/bash
#====================================================================
# vps_auto_backup.sh
#
# Copyright (c) 2011, WangYan <[email protected]>
# All rights reserved.
# Distributed under the GNU General Public License, version 3.0.
#
# vps automatic local and offsite backup shell cript
#
@earthgecko
earthgecko / bash.generate.random.alphanumeric.string.sh
Last active April 24, 2025 05:26
shell/bash generate random alphanumeric string
#!/bin/bash
# bash generate random alphanumeric string
#
# bash generate random 32 character alphanumeric string (upper and lowercase) and
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
# bash generate random 32 character alphanumeric string (lowercase only)
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1
@postmodern
postmodern / rails_rce.rb
Last active March 5, 2025 00:46
Proof-of-Concept exploit for Rails Remote Code Execution (CVE-2013-0156)
#!/usr/bin/env ruby
#
# Proof-of-Concept exploit for Rails Remote Code Execution (CVE-2013-0156)
#
# ## Advisory
#
# https://groups.google.com/forum/#!topic/rubyonrails-security/61bkgvnSGTQ/discussion
#
# ## Caveats
#
@jeremiahsnapp
jeremiahsnapp / MITM -SSL-Proxies.md
Last active November 14, 2023 07:48
Man In The Middle (MITM) SSL Proxies - Simple ways to see traffic between an SSL server and client in clear text.

HTTP(S) specific MITM SSL Proxies

mitmproxy

mitmproxy is an excellent console app written in Python.

It is easy to use on Linux and OS X.

Use brew install mitmproxy to install it on OS X.

#!/usr/bin/env python
# coding:utf-8
import sys
import os
try:
import gevent
import gevent.queue
import gevent.monkey
@plentz
plentz / nginx.conf
Last active May 27, 2025 10:32
Best nginx configuration for improved security(and performance)
# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048
@madeye
madeye / sysctl.conf
Last active June 5, 2018 11:05
Optimized sysctl.conf for shadowsocks
net.core.wmem_max = 12582912
net.core.rmem_max = 12582912
net.ipv4.tcp_rmem = 10240 87380 12582912
net.ipv4.tcp_wmem = 10240 87380 12582912
net.ipv4.ip_local_port_range = 18000 65535
net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_max_syn_backlog = 3240000
net.core.somaxconn = 3240000
net.ipv4.tcp_max_tw_buckets = 1440000
@denji
denji / http-benchmark.md
Last active May 15, 2025 12:21
HTTP(S) Benchmark Tools / Toolkit for testing/debugging HTTP(S) and restAPI (RESTful)
@tuxfight3r
tuxfight3r / 01.bash_shortcuts_v2.md
Last active May 29, 2025 15:25
Bash keyboard shortcuts

Bash Shortcuts

visual cheetsheet

Moving

command description
ctrl + a Goto BEGINNING of command line