wsandin

Container security notes

Internet references

Kernel and architecture

• namespaces - overview of Linux namespaces http://man7.org/linux/man-pages/man7/namespaces.7.html

• mount_namespaces - overview of Linux mount namespaces

wsandin

import sys
import socket
import ssl

class DNSproxy():
    def __init__(self):
        self.listen_addr   = '127.0.0.1'
        self.listen_port   = 1053
        self.upstream_dns  = '1.1.1.1'
        self.upstream_port = 853

wsandin

#!/usr/bin/python3.10

"""
    Playing around with PEP 634: Structural Pattern Matching
    introduced in Python 3.10. This is just a very simple attempt
    at solving Fizzbuzz using a "case switch".

    Read more at https://doc.python.org/3.10/whatsnew/3.10.html
"""

wsandin

/***********************************************************************
   SimpleWebServer.java
   This toy web server is used to illustrate security vulnerabilities.
   This web server only supports extremely simple HTTP GET requests.
   This file is also available at http://www.learnsecurity.com/ntk

***********************************************************************/


import java.io.*;

wsandin

                                    FROM ZERO TO HERO ON THE TERMINAL!
                                    
                                    W. Sandin <wsandin@gmail.com>
                                    May 2022

                                     ..::::..          ..,;;,,.
                                    ::::::::::::.    .::t$$$$$$$$bu:,.                .zn$$$$k

wsandin

Keybase proof

I hereby claim:

• I am wsandin on github.
• I am wsandin (https://keybase.io/wsandin) on keybase.
• I have a public key ASDaITGNxSmmeAOM_TqQ9TTt-tqavLUMxF9-jsNyecdC2go

To claim this, I am signing this object:

wsandin

# Request the first page and save the cookies to a file
curl -c cookies.txt 'https://www.migrationsverket.se/ansokanbokning/valjtyp?0&enhet=U0586&sprak=sv&callback=https:/www.swedenabroad.se'

# Now request the second page, using the cookies saved from the first request
curl -b cookies.txt -s 'https://www.migrationsverket.se/ansokanbokning/wicket/page?2' \
  -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7' \
  -H 'Accept-Language: en-GB,en-US;q=0.9,en;q=0.8' \
  -H 'Cache-Control: max-age=0' \
  -H 'Connection: keep-alive' \
  -H 'Referer: https://www.migrationsverket.se/ansokanbokning/valjtyp?0&enhet=U0586&sprak=sv&callback=https:/www.swedenabroad.se' \