System
A collection of articles relating to server-side tools and Apache modules. We mostly use a standard LAPP (Linux, Apache, PostgreSQL, PHP) installation hosted on Debian/GNU Linux. Most details will apply also to other systems, though some file paths will differ.
Articles relating to Server-side
Order by: topic | title | most popular | most recent
- DKIM Key Pair Generator 2024-03-15
- Using systemd to bind fail2ban to nftables 2020-09-22
- Blocking Fake Googlebot and bingbot spiders 2020-09-17
- Identifying unused resources with inotifywait 2020-01-03
- Authenticating Apache Logins with PostgreSQL 2019-08-08
- Implementing Port Knocking with knockd 2018-07-10
- Expanding IPv6 Addresses for DNSBL Checks 2018-04-05
- IPv6 Networking and DAD 2018-01-22
- Setting CRON in a different time zone 2017-12-30
- Apache authorization with dynamic DNS 2016-05-18
- Integrating resolvconf and pdnsd 2016-01-25
- Using qtool.pl to manage sendmail queues 2015-11-14
- Using a Fail2Ban Jail to Whitelist a User 2015-10-01
- Optimising your Fail2Ban filters 2015-09-29
- Logging sFTP activity for chrooted users 2015-07-20
- Controlling what logs where with rsyslog.conf 2015-05-26
- Re-naming vhost files to *.conf for Apache 2.4 2015-05-25
- Access authorization in Apache 2.4 2015-05-18
- Bash script to generate broken links report 2013-09-03
- Moving munin stats to tmpfs 2013-06-16
- cron-apt update notification and security upgrades in Wheezy 2013-06-04
- New Apache instance with Reverse Proxy 2013-03-30
- Blocking FTP Hacking Attempts 2012-12-22
- Adding a watermark using ImageMagick 2012-12-09
- fail2ban and sendmail
- Analyzing Apache Log Files
- Fail2Ban 0.8.3 Howto
- Blocking Unwanted Spiders and Scrapers
- Analysing mailq and the mqueue directory
- Apache Request and Response Headers
- Searchable Directory of User Agents
- mod_rewrite: Seach Engine Friendly URL's
- Referer Spam from Live Search
- procmail
- Saving bandwidth with mod_rewrite and ImageMagick
- Apache mod_pagespeed issues
- Fighting Form Spammers
- Calculating Subnets
- Fake Traffic from AVG
- HTTP Server Status Codes
- Generating a Certificate Signing Request (CSR)
- Safari 3 Breaks HTTP Authentication
- Emulating an HTTP/1.1 Request using Telnet
- mod_rewrite: Examples
- Avoiding duplicate content filters
- Monitoring the fail2ban log
- Analysing the mail.log
- Safari 5.1 Breaks Basic Authentication
- Apache mod_pagespeed settings
- Referer Spam from Microsoft Bing
- Webalizer Numbers Explained
- xferlog - ProFTPD server logfile
- Web Server Attacks and Exploits
- WWW Hacker Activity
- fail2ban and iptables
- Accessing Public IP address from behind NAT