DFind is the vulnerability scanner generating the “w00tw00t.at.ISC.SANS.DFind” HTTP requests found in Web servers logs. This guide setup some iptables rules blocking these requests. A better method is to use fail2ban to block the sources of these requests.
This post describe a simple way to block all access to a network port on Debian, except for specified IP addresses.
PeerGuardian is a firewall for Peer to Peer software (i.e. BitTorrent) blocking bad peers.
sf-downloader is a script created to ease the download of software’s latest versions (from sourceforge.net initially). It find the correct download link for the software, and then download it and, if needed, extract it. This guide describe its installation on Debian.
After a hardware change (either network interface or motherboard), the network interfaces can be missing. This guide describe how to fix this issue.
By default, Ext 3 & 4 filesystems reserve 5% of available disk space for special processes (root user, syslog, fragmentation avoidance, etc.). On big partitions, it amount to quite a lot of lost space. This howto describe how to get back this disk space.
By default, a SSH session close in case of network disconnection, killing automatically any and all software currently running. This guide use the “byobu” software render SSH sessions persistent during disconnections.
NTP (acronym of Network Time Protocol) is a communication protocol conceived to synchronize computer clocks worldwide to the International Atomic Time (TAI).
By default, system emails are sent to the local root account. These emails can provide alerts and tips on the system health. This guide help you setup a redirection to an external email address (sysadmin’s one) for these emails.
COPS is a Web application allowing the publishing of a Calibre e-books library as a OPDS catalog (Open Publication Distribution System). It allow to easily download e-books from a Calibre library on a e-reader supporting the OPDS format.