https://www.staffordnet.uk/ 2026-04-05T19:57:00+00:00 https://www.staffordnet.uk/ https://www.staffordnet.uk/lib/exe/fetch.php?media=favicon.ico text/html 2022-11-23T12:49:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.staffordnet.uk/doku.php?id=networking:linux:linux_networking&rev=1669207782&do=diff Linux Networking Disable IPv6 On CentOS 6, run the following in the terminal as root. cat <<'END_OF_TEXT' >> /etc/sysctl.conf net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 END_OF_TEXT sysctl -p service network restart text/html 2022-11-23T12:49:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.staffordnet.uk/doku.php?id=networking:linux:telnet_root_login&rev=1669207782&do=diff Allow Telnet Root Login Think twice before doing this Simply edit the file /etc/securetty and add the following to the end of the file: pts/0 pts/1 pts/2 pts/3 pts/4 pts/5 pts/6 pts/7 pts/8 pts/9 text/html 2022-11-23T12:49:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.staffordnet.uk/doku.php?id=networking:linux:ubuntu_firewall&rev=1669207782&do=diff Ubuntu Firewall Overview This page contains a bunch of useful tips for managing the Ubuntu firewall from this site. Today I learned a different way to configure the firewall on my Ubuntu 10.04 Lucid Lynx Server: the ufw command. UFW stands for “Uncomplicated FireWall,” and it’s just that. It provides a simpler interface to add or remove firewall rules to iptables, the default Linux firewall. It’s installed on Ubuntu Server by default (and has been, since Ubuntu 8.04), and I find a little simp… text/html 2022-11-23T12:49:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://www.staffordnet.uk/doku.php?id=networking:linux:view_attacklog&rev=1669207782&do=diff View Attacklog This is a script for viewing who has tried and failed to SSH into your box. #!/bin/bash # Created by jbstafford.co.uk # By default, we go with option -i IP_COL=11 USR_COL=9 COL=${IP_COL} DATE=`date +%Y-%m-%d` LOG_DIR=/var/log_history/ssh LOG_FILE=${LOG_DIR}/attack_${DATE}.log TMP_FILE=/tmp/attack_${DATE}_${RANDOM}.log # Read in any arguments while getopts crushi name do case $name in i)iopt=1;; r)ropt=1;; u)uopt=1;; h)hopt=1;; …