50 recent changes in Sysadmin Web retrieved at 11:59 (GMT)

Timeserver with ntp WORK IN PROGRESS * EnterpriseTimeServer * EasyDistributeAndBalanceWithPool * NtpLeapsecondFile * NtpVsPtp * MeinbergNtpConfig ...

List of IP Address Management tools (IPAM) and DNS DHCP IPAM (DDI) List of IPAM at Wikipedia commercial * QIP * Infoblox http://www.infoblox.de/de/product...

PKI with step ca I use the excellent tutorial https://smallstep.com/blog/build a tiny ca with raspberry pi yubikey/ * installed ubuntu 22.04.4 preinstalled ser...

PKI * PKI with step ca on Raspberry Pi

Security $ "A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.": Antoine de Saint Ex...

NTS the secure variant of ntp. Here some useful links: * https://www.meinberg.de/german/info/nts network time security.htm * https://blog.cloudflare.com/sec...

Network Services * DhcpD * DnS * ProXy * NodeJs * IpAM IP Address Management or DDI if you integrate IpAM with DhcpD and DnS * AdressKonzept ...

Statistics for Sysadmin Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads:...

Some Tests with Graph and Graphviz %GRAPHVIZ{ "digraph G {Hello fontcolor=\"red\" ; Hello World}" renderer="dot" type="png" }%

Miscellaneous * ResetProximAP4000 How to reset an old access point * Fun A bit more complex 'hello world' in EVERY programming language you never heard of ...

Sort the Amazon output by count of reviews put sort=review count rank at the end of the URL.

ansible configuration management Installation View installation instructions Debian: apt get install ansible First Steps # ansible version ansible 1.6.6 Add so...

Wie man DNSSEC mit Domains bei united domains.de aktiviert Howto enable DNSSEC with Domains at united domains.de 1 Sie müssen die Domain auf einen eigenen DNS ...

DNS ISC bind 9 * LogginG * CachingOnly (proxy i.e. forwarder) * DetectDomainGenerationAlgorithm * InternalRootServer * QueryBindVersion * DNSCo...

Caching only dns server You can build a caching only dns server as a forwarder (proxy) or without zones except db.root (classical caching only). forwarder optio...

catalog zone Secure the zone transfer with a TSIG key ACL allow update { !{10/8;any;}; key update key; };

Usefull script to check your domain #!/bin/sh #cat /var/log/named/queries.* grep query grep v bfinv grep "\(.biz \ .ru \ .info \)" grep v \.de\ grep...

Filter domain generation algorithm Domain generation algorithm (DGA) are used by various malware to periodically generate a large number of domain names that can ...

DNSSEC WORLINPROGRESS keys ... zone "bla portal.de" IN { type master; file "bla portal.de.db"; key directory "/etc/namedb/dnssec keys"; auto dnssec maintain; ...

Ubuntu bind is compiled with built with ' prefix=/usr' ' mandir=/usr/share/man' ' infodir=/usr/share/info' ' sysconfdir=/etc/bind' ' localstatedir=/var' ' enable ...

Internal root server WORK IN PROGRESS Funktioniert aber anscheinend so: * Slave ohne root Zone: erst eigene dedizierte Zonen, dann forward Zonen, dann Auflösun...

Logging with isc bind 9 example 1 ... logging{ channel queries_log{ file "/var/log/named/queries.log" versions 10 size 20m; severity debug 1; ...

How to query the bind version dig chaos txt version.bind @10.23.45.67 TXT "9.4.1" Intro By default BIND DNS reveals the version number when queried ...

http://sysadmin.wiki/Work/WebTopicList http://sysadmin.wiki/Sysadmin/WebTopicList http://sysadmin.wiki/Main/WebTopicList http://sysadmin.wiki/Sysadmin/ASA5520Boot...

Debian with ZFS on a rootServer from Hetzner works at 29. Jul. 2023 * rescue with LINUX * install ZFS with the openers_install script * follow https://op...

Linux * DebianShowInstalledPackage * PolicyBasedRouting * RedHat * ArmWorkstation * DebianWithZFS on a root Server from Hetzner

Security Frameworks merged I like to merge security frameworks as a groundwork for a security concept. I this case I start with NIST CSF and map ISO 27001 and KRI...

Minecraft Some mods

Segment Routing (SR) Segment Routing (SR) ist eine Technologie, die in Netzwerken verwendet wird, um den Traffic auf bestimmten Pfaden zu steuern und so die Netzw...

(This is a Wiki, feel free to add or edit content; you just need to register.) This is disabled at the moment cause of maintainance, but will be enabled soon. Tag...

Zero Trust Model Zero Trust, BeyondCorp und perimeter less sind Konzepte der Netzwerksicherheit, die sich darauf konzentrieren, dass jeder Zugriff auf das Netzwer...

Security Models * castle, perimeter, wall, inside, outside * ZeroTrust, Kerberos, BeyondCorp, perimeter less

ISMS Das ISMS (Information Security Management System) und der Risiko Life Cycle sind eng miteinander verknüpft. Der Risiko Life Cycle beschreibt den Prozess, in ...

Risiko Life Cycle Der Risiko Life Cycle bezieht sich auf die Phasen, die ein Risiko durchläuft, von der Identifizierung bis hin zur Beendigung. Der genaue Ablauf ...

Risikoanalyse Eine Risikoanalyse ist ein Prozess, bei dem potenzielle Gefahren für ein Unternehmen oder eine Organisation identifiziert und bewertet werden. Der Z...

Atheros AR5001

Atheros ?

Atheros ?

Atheros ?

Atheros ?

Atheros ?

Atheros ?

Atheros ?

Atheros ?

Atheros AR5006AP G

Atheros AR5006XS

Atheros AR5006X

Atheros AR5008

Broadcom

Broadcom