Category Archives: linux

fedora 15 virtualbox dhcp

Posted on July 14, 2011 by Larry Rubin

If you’re test driving a “minimal” Fedora install on the completely awesome VirtualBox, you may be having a little trouble getting a DHCP address while using VBox’s bridged adapter. Here’s what you DON’T need to do- install and run the … Continue reading →

Posted in fedora, linux, virtualization | 4 Comments

iptables open port 80/443/110

Posted on July 11, 2011 by Larry Rubin

On a fresh Linux install you may find that you can’t connect to your server over http (port 80). To open the port you’ll need to edit your iptables configuration and add the following rule: -A INPUT -m state –state … Continue reading →

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Fail2Ban Not Banning Some SSH Attempts [SOLVED]

Posted on January 24, 2011 by Larry Rubin

I recently set up Fail2Ban on a new Ubuntu server and noticed that while some hosts were getting banned after they exceeded my maxRetry value (the number of allowed failures before a ban), others were able to exceed it wildly … Continue reading →

Posted in fail2ban, linux, security, ubuntu | Leave a comment