Comment spam is the most annoying thing to web operators. Besides eating up bandwidth, comment spam can pollute web discussions area and which gives bad impression to visitors. Apache HTTPD mod_security module can be configured to reduce web spam by filtering common keyword, content and referrer used by spam bots around the internet. Here’s an […]
Secured Shell or SSH is a service to enable users to access remote system securely. However, SSH servers depending on password-based authentication might be vulnerable to dictionary-based (or brute-force) attacks by crackers. Luckily iptables can be used with ‘–limit-burst‘ and ‘–limit’ option to reduce the number of attempts and connection that a cracking tool can […]
Here’s a tip to restrict normal user account access so that common users may not be able to explore other directories beyond his/her own /home directory. First you need to chmod all /home dir to 0700 Then, you need to set the default umask to 077, to do that, you ned to edit /etc/profile, and […]
Just sharing, I just found out about this handy SHA1 and MD5 hash lookup website. What’s makes this different from several other reverse hash lookup websites is because this website allows you to lookup several line of hashes, thus saving time at the same time. MD5Decrypter.co.uk Hope this would be useful for you…
I’ve keep getting the message “ssh_exchange_identification: Connection closed by remote host error” after I managed to finalized my CRUX linux on my decTOP box today. After enough looking into documentations, I finally found out that I need to edit the “/etc/hosts.allow” file to allow SSH connection, for example: #/etc/hosts.allow sshd:ALL or for more conservative setting […]
Here’s a video showing you how to crack Wireless WEP keys using Backtrack 4 and aircrack-ng. Additionally, you need a compatible wireless adapter or compatible wireless chipset which can be used with aircrack-ng. Here are the list of the best wireless cards to use(according to aircrack-ng wiki): Alfa AWUS036H [b/g USB] 1W 802.11b/g USB Wireless […]