ca4ti

#!/bin/bash -x

# Simulate modem/fax using SIP+t.38

# Version 0.4 (reduced)

# http://www.voip-info.org/wiki/view/T38modem+SIP+configuration+with+Callcentric
# http://t38modem.cvs.sourceforge.net/viewvc/t38modem/t38modem/ReadMe.txt
#
# efax-gtk params:

ca4ti

visible_hostname vm-gateway
#
# Recommended minimum configuration:
#

# Example rule allowing access from your local networks.
# Adapt to list your (internal) IP networks from where browsing
# should be allowed
acl localnet src 10.10.10.0/24
acl localnet src 127.0.0.1

ca4ti

How to tunnel SSH over SSL/TLS

laptop ssh -> laptop stunnel -> evil network -> internet -> your server -> your server ssh

Server (your shell server/home box/work box/whatever)

Sets up a stunnel process listening externally on port 2443/tcp, forwards to localhost 22/tcp

• Install stunnel, e.g. yum install stunnel
• Install server config snippet to /etc/stunnel/stunnel.conf

ca4ti

SSH Server with the Python Twisted Library

Installing the library

Assuming you have Python installed on your system:

pip install twisted
pip install pyOpenSSL
pip install service_identity

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# coding=utf-8
"""
LICENSE http://www.apache.org/licenses/LICENSE-2.0
"""
import datetime
import sys
import time
import threading
import traceback
import SocketServer

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#!/usr/bin/env python
"""
LICENSE http://www.apache.org/licenses/LICENSE-2.0
"""

import argparse
import datetime
import sys
import time
import threading

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Client-side SSL

For excessively paranoid client authentication.

Original: https://gist.github.com/mtigas/952344

Convert SSL certificate from CRT format to PEM

openssl x509 -in server.crt -out server.der -outform DER
openssl x509 -in server.der -inform DER -out server.pem -outform PEM

ca4ti

#!/usr/bin/env bash
DEBUG="$2"
IP="$1"
blstatus=0

# RBL list from http://www.anti-abuse.org/multi-rbl-check/, slightly customized
RBL="bl.spamcop.net cbl.abuseat.org b.barracudacentral.org dnsbl.sorbs.net http.dnsbl.sorbs.net dul.dnsbl.sorbs.net misc.dnsbl.sorbs.net smtp.dnsbl.sorbs.net socks.dnsbl.sorbs.net spam.dnsbl.sorbs.net web.dnsbl.sorbs.net zombie.dnsbl.sorbs.net dnsbl-1.uceprotect.net dnsbl-2.uceprotect.net dnsbl-3.uceprotect.net bl.spamcannibal.org psbl.surriel.com ubl.unsubscore.com rbl.spamlab.com dyna.spamrats.com noptr.spamrats.com spam.spamrats.com cbl.anti-spam.org.cn cdl.anti-spam.org.cn dnsbl.inps.de drone.abuse.ch httpbl.abuse.ch dul.ru spamrbl.imp.ch wormrbl.imp.ch virbl.bit.nl rbl.suresupport.com dsn.rfc-ignorant.org ips.backscatterer.org spamguard.leadmon.net opm.tornevall.org netblock.pedantic.org black.uribl.com grey.uribl.com multi.surbl.org ix.dnsbl.manitu.net blackholes.mail-abuse.org rbl-plus.mail-abuse.org dnsbl.dronebl.org rbl.interserver.net query.senderbase.org bogons.cymru.co

ca4ti

Made possible with this reddit post.

Install

wine regedit wine-breeze-dark.reg

Uninstall (Reset Wine color scheme)

wine regedit wine-reset-theme.reg

ca4ti

#!/bin/bash

#
# Build GCC with support for offloading to NVIDIA GPUs.
#

set -o nounset -o errexit

# Location of the installed CUDA toolkit
cuda=/usr/local/cuda