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Nginx: Serve error pages from reverse proxy, not from upstream server
Thursday - Sep 21st 2017 - in category: Internet Linux Nginx - 0 comments

How to setup collaborative (parallel) editing in Atlassian Confluence
Friday - Aug 18th 2017 - in category: Linux Internet - 0 comments

HTTP POST benchmarking / stress-testing an API behind HAProxy with siege
Thursday - Aug 3rd 2017 - in category: Internet Linux - 0 comments

Gandi domain registrar hacked?
Friday - Jul 7th 2017 - in category: Internet DNS - 0 comments

Magento2 Load Balancer Health Check for AWS ELB
Monday - Jun 26th 2017 - in category: AWS Internet PHP MySQL DB Linux - 0 comments

AWS EC2 instance unreachable after reboot ([Errno 101])
Friday - Jun 16th 2017 - in category: Linux Internet - 0 comments

The curious case of curl, SSL SNI and the HTTP Host header
Monday - Feb 13th 2017 - in category: Internet Linux - 0 comments

Encrypted http connections (https) use four times more CPU resources
Thursday - Jan 19th 2017 - in category: Internet Linux - 0 comments

Tracing a DirtyCow exploit hack several years back to 2007
Friday - Oct 28th 2016 - in category: Hacks Linux Internet - 0 comments

Slow down central mail relay server but with domain exceptions
Tuesday - Aug 30th 2016 - in category: Mail Linux Internet - 0 comments

Presenting check_es_store plugin: Monitor ElasticSearch store (disk) usage
Thursday - Jun 2nd 2016 - in category: Icinga Nagios Monitoring Internet - 0 comments

Shopware shows content correctly but with http status 503
Monday - May 30th 2016 - in category: Internet - 0 comments

Amazon S3 bucket and Internet Explorer 11: HTTP 400 error because of umlaut
Friday - Apr 29th 2016 - in category: Windows Internet - 0 comments

Did you know Skype understands sed? Replace previous line with sed command!
Wednesday - Apr 27th 2016 - in category: Internet Linux - 0 comments

Downtime happens fast. Especially if NIC deletes your domain by accident.
Monday - Apr 18th 2016 - in category: Internet Personal - 0 comments

Joomla CMS 3.4.5 hacked through RCE vulnerability
Monday - Jan 4th 2016 - in category: Hacks Internet - 1 comments

Automatic php form validation with HTML5 (required)
Friday - Dec 18th 2015 - in category: Internet HTML PHP - 0 comments

Seafile client stuck in sync? Check for special characters in file names!
Tuesday - Oct 27th 2015 - in category: Windows Internet - 0 comments

Wordpress web abused using fx() web shell and Priv8 mailer to send spams
Friday - Oct 9th 2015 - in category: Hacks Internet Linux - 0 comments

Improving Gmail spam filter: All it needs is a barking Linus Torvalds.
Wednesday - Jul 22nd 2015 - in category: Internet Personal - 0 comments

pptp client on Linux: Disable crazy anon logging (callmgr)
Tuesday - Jul 21st 2015 - in category: Linux Network Internet - 0 comments

Use FTPES with pure-ftpd and solve connection timeout issues
Friday - Jun 12th 2015 - in category: Linux Internet - 0 comments

Firefox cannot save passwords, store ssl certificate exceptions anymore
Thursday - May 7th 2015 - in category: Internet Windows - 0 comments

Changed internet access from DSL to Cable - gained a bit of speed
Saturday - May 2nd 2015 - in category: Internet Personal - 0 comments

When a Windows support phone scammer reaches a Linux Systems Engineer...
Tuesday - Mar 3rd 2015 - in category: Windows Linux Internet Hacks - 0 comments

Joomla website hacked through Akeeba component (com_joomlaupdate)
Wednesday - Feb 25th 2015 - in category: Hacks Internet PHP - 0 comments

Public and Private keys incorrect error in Wordpress with SSH auth
Monday - Feb 2nd 2015 - in category: Internet PHP - 0 comments

Disable AHBL (Abuse Hosts) DNS blocklist in Spamassassin
Tuesday - Jan 20th 2015 - in category: Internet Mail Linux - 3 comments

How to use openSUSE zypper behind a proxy (with authentication)
Monday - Nov 10th 2014 - in category: Linux Network Internet - 1 comments

Wordpress hacked through vulnerability in Wysija (Mail Poet)
Sunday - Nov 9th 2014 - in category: Internet Hacks PHP - 0 comments

Using Nagios check_smtp -S without SSLv3 (sslv3 alert handshake failure)
Tuesday - Oct 21st 2014 - in category: Nagios Monitoring Security Internet Mail - 0 comments

Sony Xperia Tablet Z with Kitkat: Fix for permission denied on sd card
Thursday - Sep 11th 2014 - in category: Android Internet - 0 comments

Firefox displays: The image cannot be displayed because it contains errors
Monday - Sep 8th 2014 - in category: Internet - 1 comments

One year of collected data - a review of temperatures in Zurich
Friday - Jul 25th 2014 - in category: Personal Internet - 0 comments

Using awstats in combination with logrotate
Monday - Jun 23rd 2014 - in category: Linux Internet - 0 comments

Nginx in front of Apache: Only default server website is shown
Wednesday - Jun 18th 2014 - in category: Linux Internet - 0 comments

Nginx emerg error: could not build the server_names_hash
Thursday - Jun 5th 2014 - in category: Linux Internet Unix - 0 comments

Prevent nginx from serving content to external domains (hotlinking)
Wednesday - Jun 4th 2014 - in category: Linux Unix Internet - 0 comments

Finding a spammer (or spam script) sometimes takes time and patience
Tuesday - May 13th 2014 - in category: Linux Hacks Internet Mail - 0 comments

Tracing a Joomla website hack back to com_extplorer module
Friday - Apr 11th 2014 - in category: Linux Internet Unix Hacks - 1 comments

Debians patching solution for the openssl heartbleed bug
Thursday - Apr 10th 2014 - in category: Linux Internet Unix Hacks - 0 comments

When github and wget on Debian Wheezy bite each other..
Tuesday - Mar 25th 2014 - in category: Linux Internet - 2 comments

Photoshop fi written together as one character - how to disable ligatures
Thursday - Feb 13th 2014 - in category: Graphics Multimedia Personal Internet - 0 comments

djbdns dnsache loop caching issue when using itself as resolver
Thursday - Feb 13th 2014 - in category: DNS Internet Unix BSD - 0 comments

Nofawkx hack: WSO PHP shell uploaded through (very) old tiny_mce
Monday - Feb 10th 2014 - in category: Hacks Internet BSD - 0 comments

Uploaded and executed perl script through old Joomla vulnerability
Monday - Feb 10th 2014 - in category: Hacks Linux Internet - 0 comments

Nginx rewrite URL examples with and without redirect address
Monday - Jan 13th 2014 - in category: Nginx Internet Linux Unix - 2 comments

Atmail license key exceeded error - a global issue
Friday - Dec 20th 2013 - in category: Mail Internet - 0 comments

Dear Gmail: What is going on with your spam filter?!
Thursday - Dec 19th 2013 - in category: Mail Internet Personal - 0 comments

Google Analytics vs. AWstats: Thats a big difference
Thursday - Dec 12th 2013 - in category: Internet Personal - 0 comments

Updating Wordpress: Got a PCLZIP_ERR_BAD_FORMAT error? The solution.
Tuesday - Nov 26th 2013 - in category: Internet Wordpress Linux - 0 comments

Monitoring nginx web server with check_nginx_status.pl
Friday - Nov 1st 2013 - in category: Internet Monitoring Nagios Linux - 2 comments

Use Top-Level-Domain (TLD) Wildcard in Apache Virtual Host
Thursday - Oct 10th 2013 - in category: Internet Linux Unix - 0 comments

phpmailer with mini_sendmail issue also affects modified shop
Wednesday - Oct 2nd 2013 - in category: Internet PHP - 0 comments

Changing from PHP's mysql to mysqli - what to look at
Saturday - Sep 14th 2013 - in category: Internet PHP MySQL - 0 comments

Solving OpenCms startup error: Critical error while loading driver manager
Wednesday - Sep 11th 2013 - in category: Solaris Unix Internet Tomcat CMS - 0 comments

Now that's what I call a web hack! (wonder.php, rusztiko.com)
Thursday - Sep 5th 2013 - in category: Internet PHP Linux BSD Hacks - 1 comments

Bad admins: When the abuse mail address does not work (MTNL Delhi)
Wednesday - Sep 4th 2013 - in category: Internet Personal Mail - 0 comments

In memoriam: Legalsounds.com
Thursday - Aug 22nd 2013 - in category: Internet - 0 comments

Portuguese spam tool uploaded through old Joomla
Monday - Aug 19th 2013 - in category: Internet Linux Hacks - 0 comments

Wordpress: Blog comments disabled but comment spams still happen
Monday - Aug 12th 2013 - in category: Internet - 0 comments

HP ILO Download Mirror
Tuesday - Jul 2nd 2013 - in category: Hardware Internet - 1 comments

Kolab Groupware - Potential but not yet production ready
Monday - Jul 1st 2013 - in category: Linux Internet Mail - 0 comments

Facebook did it again - just a bunch of bad programmers?
Monday - Jun 24th 2013 - in category: Internet Personal - 0 comments

Newest Facebook app update (3.2) on Android crashes system
Saturday - May 11th 2013 - in category: Android Internet - 0 comments

Another cgi web shell found (webr00t), uploaded through old Joomla
Thursday - May 2nd 2013 - in category: Internet PHP Hacks - 0 comments

Contao CMS Updates not working (suhosin patch active)
Monday - Apr 22nd 2013 - in category: PHP Internet - 0 comments

Follow-up on the Joomla mailing issue with mini_sendmail
Tuesday - Apr 16th 2013 - in category: Internet PHP Mail - 0 comments

Set up OTRS so other agents can respond to tickets with different owner
Thursday - Apr 4th 2013 - in category: Internet Linux - 0 comments

High CPU load due to mass imap-logins on dovecot
Friday - Mar 15th 2013 - in category: Linux Internet Mail - 0 comments

Tons of old Joomla CMS still working on the web
Thursday - Mar 7th 2013 - in category: Internet Linux - 0 comments

Follow up on the modified shop installation error
Saturday - Jan 19th 2013 - in category: PHP Internet Linux - 0 comments

modified eCommerce shop 1.06 installer is broken - how to fix it
Friday - Jan 18th 2013 - in category: PHP Internet - 0 comments

Nagiosgraph not showing correct values for disk space
Wednesday - Dec 19th 2012 - in category: Nagios Linux Internet Shell Monitoring - 0 comments

Joomla aklazy plugin sets weird meta refreshes, causing high load
Friday - Dec 14th 2012 - in category: PHP Internet - 0 comments

Google can also have server problems - Error 503 on latitude
Thursday - Nov 22nd 2012 - in category: Internet - 0 comments

Philips' explain their Smart TV possibilities. Or not.
Monday - Nov 5th 2012 - in category: Internet Personal - 0 comments

Send e-mails from local Postfix to local Exim on same host
Thursday - Oct 25th 2012 - in category: Linux Internet Mail - 0 comments

Check/monitor SMTP server for TLS and SSL connections
Monday - Oct 22nd 2012 - in category: Linux Nagios Internet Mail Monitoring - 0 comments

Use dtrace to analyze Apache process consuming 100% CPU
Thursday - Oct 4th 2012 - in category: Linux Internet - 3 comments

Download Speed
Monday - Oct 1st 2012 - in category: Internet - 0 comments

GoogleBot used as HTTP Agent by Hackers/Botscripts
Wednesday - Sep 5th 2012 - in category: PHP Internet Linux Hacks - 0 comments

Spam-Attacks (possibly Dark Mailer) through abused FTP account within 1s
Monday - Sep 3rd 2012 - in category: Internet PHP Linux Hacks Mail - 0 comments

Postfix: Enforce sending encrypted e-mails with TLS (smtp over TLS)
Friday - Aug 3rd 2012 - in category: Linux Internet Mail - 1 comments

Fixing slow Wireless LAN - the damn Multicast Rate setting
Wednesday - Jul 25th 2012 - in category: Internet Windows Android Hardware Personal - 0 comments

Joomla forms (PHPMailer) do not work with mini_sendmail
Tuesday - Jul 17th 2012 - in category: Internet PHP Linux Mail - 0 comments

Testing Roundcube 0.8 Release Candidate (plugin compatibility)
Sunday - May 27th 2012 - in category: PHP Internet - 0 comments

Add SLES11-SP2(-Updates) to Novell SMT Repository Mirroring
Wednesday - May 23rd 2012 - in category: Linux Internet - 2 comments

Proftpd: 530 Login incorrect due to invalid shell
Monday - May 14th 2012 - in category: Linux Internet - 1 comments

Webalizer Statistics stopped working after Debian upgrade
Monday - May 7th 2012 - in category: Internet Linux - 0 comments

New Gmail Layout: Show labeled text buttons again
Tuesday - Apr 24th 2012 - in category: Internet Mail - 0 comments

How to force Xinha to write <br> instead of <br />
Monday - Apr 23rd 2012 - in category: Internet - 0 comments

Manage Confixx SpamAssassin User Settings in Roundcube
Friday - Apr 20th 2012 - in category: Internet PHP Mail - 0 comments

Anti-(Blog)-Spamming technologies: Captcha vs. Questions
Sunday - Apr 1st 2012 - in category: Internet Personal Mail - 1 comments

www.frischer-wind-im-thurgau.ch online
Monday - Mar 26th 2012 - in category: Personal Internet - 0 comments

The fun of video-surveillance
Friday - Feb 24th 2012 - in category: Personal Internet - 0 comments

How to use Joomla's FTP mode (set correct $ftp_root path)
Thursday - Feb 23rd 2012 - in category: Internet - 0 comments

Joomla CMS hacks by using vulnerability in com_fabrik
Thursday - Jan 26th 2012 - in category: Internet PHP Hacks - 4 comments

Current project: Website for political candidate
Saturday - Jan 14th 2012 - in category: Internet Personal - 0 comments

Apache mod comparison: mod_php vs mod_suphp vs mod_fcgid vs mod_fastcgi
Sunday - Dec 4th 2011 - in category: Linux PHP Internet - 2 comments

Update on the timthumb Wordpress hack - it happened again!
Saturday - Nov 12th 2011 - in category: Linux PHP Internet Hacks - 0 comments

Firefox 7 cuts http:// from adress bar (and how to restore it)
Saturday - Oct 15th 2011 - in category: Internet - 0 comments

Windows help is very helpful... somewhat
Sunday - Aug 21st 2011 - in category: Internet - 0 comments

SMTP Internet provider interception - I do not like it.
Tuesday - Aug 16th 2011 - in category: Internet Mail Network - 0 comments

Spam comparison: Ironport vs. Open Source solution
Friday - Aug 12th 2011 - in category: Linux Internet Mail - 1 comments

Facebook's RSS Import fails and what you can do against it
Sunday - Jul 17th 2011 - in category: Internet - 0 comments

Intelligent Blog-Spamming
Tuesday - Jun 21st 2011 - in category: Internet Personal - 0 comments

What the countdown 'until Death of Computers' means
Friday - Jun 17th 2011 - in category: Personal Internet - 3 comments

Testing some Swiss Online-Shops for Hardware Upgrade
Tuesday - Jun 7th 2011 - in category: Personal Hardware Internet - 0 comments

Modified Nagios Plugin check_dell_warranty (Adapted to euro website)
Thursday - May 26th 2011 - in category: Nagios Internet Hardware Monitoring - 1 comments

Howto change default MySQL privileges/permissions in Confixx
Tuesday - May 24th 2011 - in category: Linux Internet DB MySQL - 0 comments

Hotmail took more than one year to send an e-mail!
Monday - May 23rd 2011 - in category: Internet Mail - 0 comments

Nagios plugin check_esxi_hardware updated and comments on blog
Thursday - May 19th 2011 - in category: Nagios VMware Internet Hardware Monitoring - 0 comments

Firefox Sync is a blast!
Monday - Apr 25th 2011 - in category: Internet Personal - 0 comments

ALL = Archive, and this is post 150!
Monday - Apr 11th 2011 - in category: Personal Internet - 0 comments

Object moved. Is it?
Wednesday - Mar 16th 2011 - in category: Internet Personal - 0 comments

Helpful tuturials, informations, downloads collected in link list
Wednesday - Feb 23rd 2011 - in category: Internet - 0 comments

Googlebot and Apache CLOSE_WAIT's: SOLVED!
Monday - Feb 7th 2011 - in category: Linux Internet - 0 comments

Googlebot freezes Apache and server load increases
Thursday - Feb 3rd 2011 - in category: Linux Internet - 0 comments

On a Hacker's trail
Tuesday - Jan 25th 2011 - in category: Internet Linux PHP Hacks - 2 comments

iPhone picture mails tagged as Spam
Friday - Dec 10th 2010 - in category: Internet Linux Mail - 0 comments

Dell supports people from a country called ... Second Life
Wednesday - Sep 15th 2010 - in category: Internet - 0 comments

Yes, you have maintenance, but not for batteries
Friday - Sep 3rd 2010 - in category: Hardware Internet - 0 comments

HowTo Change Confixx email account password in Roundcube
Saturday - Aug 14th 2010 - in category: Internet Linux PHP DB MySQL - 0 comments

The iPad has arrived - and this is serious!
Friday - May 28th 2010 - in category: Hardware Internet Personal Android - 0 comments

Swisscom ADSL started to block port 25
Tuesday - May 25th 2010 - in category: Internet Android Network - 0 comments

What might be the best Blade system?
Wednesday - May 5th 2010 - in category: Hardware Internet - 0 comments

New Nagios Plugin: Check Confixx License
Saturday - Apr 3rd 2010 - in category: Nagios Linux Internet Monitoring - 0 comments

Google Gears a Virus (Trojan.Downloader-90750) ?
Wednesday - Mar 24th 2010 - in category: Internet - 1 comments

Confixx Counterscript fails after Debian Upgrade (Lenny)
Monday - Mar 15th 2010 - in category: Linux Internet - 0 comments

HTTP Forward using path variable with JavaScript
Monday - Feb 22nd 2010 - in category: Internet - 0 comments

Changes in Sun's Customer Support since Oracle took over
Tuesday - Feb 16th 2010 - in category: Hardware Internet - 1 comments

Gmail now supports sending from external e-mail addresses
Monday - Jan 11th 2010 - in category: Internet Mail - 0 comments

Good support, bad support
Friday - Nov 20th 2009 - in category: Hardware Internet - 0 comments

Fighting Spam with SpamAssassin
Tuesday - Sep 22nd 2009 - in category: Internet Linux Mail - 0 comments

Atelier2.ch is 10 years online!
Saturday - Sep 5th 2009 - in category: Internet - 0 comments

Testing a new Mailserver
Monday - Jun 22nd 2009 - in category: Internet Linux Mail - 0 comments

Funny support call!
Thursday - Mar 19th 2009 - in category: Personal Internet Windows - 0 comments

I've refound my favourite childhood movies!
Tuesday - Feb 17th 2009 - in category: Personal Internet - 0 comments

How to use wired LAN and WLAN without problems
Sunday - Feb 15th 2009 - in category: Internet Windows Network - 0 comments

Changes in news/blog display
Saturday - Nov 22nd 2008 - in category: Internet Personal - 0 comments

Google Mail (GMail) now with different themes (layouts)
Thursday - Nov 20th 2008 - in category: Internet Mail - 0 comments

Computer = Style
Tuesday - Aug 5th 2008 - in category: Personal Internet Hardware - 0 comments

Firefox 3 crash when trying to play a Flash video
Thursday - Jul 10th 2008 - in category: Windows Internet - 0 comments

New How To's
Wednesday - Jun 4th 2008 - in category: VMware PHP Linux Shell Internet - 0 comments

Welcome to claudiokuenzler.com !
Monday - May 26th 2008 - in category: Personal Internet - 0 comments


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7423 Days
until Death of Computers
Why?