OpenBSD 7.0

OpenBSD 7.0 released ! the 7.0 Release was released on 14. Oct 2021, two weeks before the official Launch Date (1. Nov). All the Changes are listed here:, or summarized: Things i have to consider for my Boxes: dhcpleased(8) was made the default program for configuring IPv4 addresses via DHCP resolvd(8) was activated to handle concurrent changes to resolv.conf(5) by both dhcpleased(8) and slaacd(8). Upgrade Guide Follow to official Upgrade Guide.

Aslo - AS Lookup

ASLO AS Lookup Helper Script. It’s written for OpenBSD and need’s some modification for Linux. It basically depends on Python, PIP Installer and Python Package “aslookup”. Have Fun ! Download wget chmod 755 aslo ./aslo Script … and the Content himelf. It basically check’s if pip is installed, if as-lookup is installed, and then does the as lookup for the given IP Adress #!/usr/bin/env bash # AS Lookup for IP Address install_pip() { echo -e "\npip not found, install ?

Nextcloud on OpenBSD

Intro Wanna run your own Nextcloud Server on OpenBSD … ? Give a Try ! It’s quite trivial as you can see. Just fireup an empty machine, assign an Hostname / DNS Record, and follow the Examples below. This Setup is done on the current Version, 6.9. Have Fun ! Inspired by: Packages install some packages. i use sqlite as db because i don’t expect a lot of users/traffic/files.

Git aliases

we all do like aliases, right ? Some Aliases git config --global checkout git config --global branch git config --global commit git config --global status git config --global alias.bra "branch -a" and then, you just type: git co git br git ci git st git bra .gitconfig all this stuff is saved in ~/.gitconfig $ cat ~/gitconfig # This is Git's per-user configuration file. ... [alias] co = checkout br = branch ci = commit st = status bra = branch -a sha256: 772017dc340c3a08ab06572e0e17ad7b03ae7f82db93f2195ff1f04d180bc517


it’s time for some education and i decided to do a CAS CyberSecurity @OST (prev. HSR Rapperswil). I expect to learn a lot in Attacking, Defense, Reverse Engineering and so on. Think i have already a “good basic” in many of these Topics. So, i expect the have an intersting Time in the next few Month. You can expect some posts here, or may i do another blog ? -> started a new blog for the CAS

Blog renamed

… just renamed the blog from “” to “” ! hope all the links are still working. redirection from old location should be in place sha256: f604551cd33be59d9fe19cdce2b44d32448d06d883b31f74f54c628a79f09b0c

PowerDNS on OpenBSD

Run PowerDNS on OpenBSD I’m mostly happy with NSD as Authoritative Nameserver. But why not look over the fence and have a look at PowerDNS ? At least the API looks promising to me … Install Package doas pkg_add powerdns-- Create Folder, DB and set Permission doas mkdir /var/db/pdns doas sqlite3 /var/db/pdns/pdns.sql < /usr/local/share/doc/pdns/schema.sqlite3.sql doas chown -R _powerdns:wheel /var/db/pdns/ Update Config File /etc/pdns/pdns.conf # DB gsqlite3-database=/var/db/pdns/pdns.sql launch=gsqlite3 setuid=_powerdns # Tuning & Protection max-queue-length=5000 overload-queue-length=2500 # Webserver webserver=yes webserver-address=ip-of-your-nameserver webserver-allow-from=127.

OS Helpers

here a small Collection of Helper and Scripts. You may find this stuff useful. Please be aware that you run this stuff on your own risk. It’s specially made for myself and you should not run this stuff as provided here. you may give me access to your system and you don’t want this ;) add bash & wget we need bash and wget for the following stuff. install it if not yet installed.

Wireguard with Public IP behind NAT

… or how to host a Dualstacked Public Website behind a IPv4 NAT Box without Reverse Proxy, Portforwarding and other ugly stuff … inspired by the following Post, i started a little project and redesigned the connectifity for my Hamster’s Webserver :) i wrote a mail to the guys from and asked them for the wireguard vpn service with public ipv4/ipv6 adresses for my server. as i didn’t get any feedback, i had to implement the “Server” on my own.

Bootstrap Debian

Bootstrapping Debian a little helper how to generate a Debian Template. This time, it’s a VM Hosted on Vultr New VM 1 CPU, 1GB RAM, 25GB Disk upload debian-10.9.0-amd64-netinst.iso boot from iso install: (text based) lang: english country: switzerland locale: US (en_US.UTF-8) keymap: Swiss German nic: ens3 hostname: template-25G domain: passwd: xxxxxx user: prename name / login passwd: xxxxxx disk: Guided - entire disk with LVM - (one partition | separate /home | separate /home, /var and /tmp) separate partition for large disks one partition for smaller disks write: yes disk: 20GB (for guided partitioning), 5GB for Spare write: yes another dvd: no mirror: switzerland, debian.


Dog (echo dig |sed ’s/i/o/') you know nslookup, dig, hosts, getenv and all the commans for the cli. but have you ever tried dog ? Website: and their Doku: dog is an open-source DNS client for the command-line. It has colourful output, supports the DoT and DoH protocols, and can emit JSON. Install Package $ doas pkg_add dog Examples DNS over TLS $ dog --tls DNS Request over HTTPS $ dog -H @https://dns.

PHP 8.0 on OpenBSD 6.9

OpenBSD 6.9 and PHP 8 is out … Why not give a try ? list packages what PHP Packages are available with Version 6.9 ? root@host # pkg_info -Q php |grep '\-8' php-8.0.3 php-apache-8.0.3 php-bz2-8.0.3 php-cgi-8.0.3 php-curl-8.0.3 php-dba-8.0.3 php-dbg-8.0.3 php-enchant-8.0.3 php-gd-8.0.3 php-gmp-8.0.3 php-imap-8.0.3 php-intl-8.0.3 php-ldap-8.0.3 php-mysqli-8.0.3 php-odbc-8.0.3 php-pcntl-8.0.3 php-pdo_dblib-8.0.3 php-pdo_mysql-8.0.3 php-pdo_odbc-8.0.3 php-pdo_pgsql-8.0.3 php-pdo_sqlite-8.0.3 php-pgsql-8.0.3 php-pspell-8.0.3 php-shmop-8.0.3 php-snmp-8.0.3 php-soap-8.0.3 php-sqlite3-8.0.3 php-tidy-8.0.3 php-xsl-8.0.3 php-zip-8.0.3 Install and Configure Nginx add nginx, php8 add webserver, php8 and enable the services

OpenBSD 6.9

OpenBSD 6.9 released This is the 50th Release of OpenBSD ! As they release twice a Year, must be around 25y ago since the fork of NetBSD started. Wikipedia has got a Comparison of the Different BSD Operating Systems … Upgrade to 6.9 i upgrade my systems twice every years. there is no need to reinstall as the upgrade works fine over year. please read the official upgrade guide carefully and then you may wanna use this script below.


just trying a new feature for leaving comments … it’s selfhosted, done with isso and quite painfull to install :( some people may like to provide feedback, ask questions, … sha256: 77e8157a850143fbc6ec418ef10c9a9e53040091604df1c9dbdd6e2d476d3c0e


as many of you, i’ve got different kind of stuff running, mostly internally, but also some public things. my Server is your Honeypot watch some live bruteforce attacks which happens to any public ip address on the internet … i get attacked with 10k/attemps per Day Hamsterwheel Counter my Daughter got a Hamster and he’s running every night in his Weel.. I built a small Wheel-Counter so we can see the Daily Stats an Performance of Cookie :).