Service modules_dep in Linux Enable or Disable

Service modules_dep in Linux Enable or Disable - Enable it It is one-time bootup script, not a daemon. So it does not consume resources afte...Read more »

Iptables - Drop all allow some Vs. Allow all drop some

Hiyaa... Ketemu lagi di blog Tutorial Linux Ubuntu Berbahasa Indonesia. Kali ini kita berbicara tentang security, berbicara tentang securit...Read more »

Static Routes Using Linux

My workplace LAN has around 500 hosts, and to make it more complicated, the hosts are spread across 6 geographic location. I would still cal...Read more »

Iptables: DNAT

DNAT stands for Destination NAT. It is a type of NAT. The other one is SNAT which stands for Source NAT. What's the difference I hear yo...Read more »

fail2ban - Yet another tool to protect your server

What is Fail2ban ? Fail2ban scans log files like /var/log/auth.log or /var/log/apache/error_log and bans IP that makes too many passwor...Read more »

An encounter with VLAN

2 days ago, I helped my friend setting up internet connection for his office's LAN. As he showed me the network diagram, I realised that...Read more »

squid and iptables - revisited

One of best combinations for internet connected LAN is squid , a proxy server and iptables , a packet filtering ruleset. To make it useful,...Read more »

Setting up transparent proxy server

Hi all, Today, while setting up ip for my internal network, i found out that i have run out of IPs and the internet access was very slow. I ...Read more »