Anyone that had ownership of a server for any length of time quickly learns that the Internet is full of spammers, bots and other characters you would prefer didn’t exist. A firewall is key to keeping these guys at bay and Linux comes with a Kernel level firewall called iptables…
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Creating a Tor Relay on Debian
The TOR project has proven itself an indispensable tool in the fight to protect the anonymity of people on-line. The project needs servers to route traffic through for the project to achieve its goals though. So contributors are needed to donate relays nodes ensuring a free Internet for all. In…
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PHP FPM Errors After Upgrade
Recently I noticed a few of my servers had stopped serving my sites, with 502 errors being to visitors. I took a look at my site logs and noticed that they were full of the “Permission Denied” errors below: 2014/06/09 09:45:17 [crit] 11453#0: *22 connect() to unix:/var/run/php5-fpm.sock failed (13: Permission…
Read MoreTunnelling data over SSH with Putty
An SSH tunnel is used to route unencrypted traffic through an encrypted SSH channel. Its comes in handy for routing traffic over untrusted or hostile networks as the data is encrypted to maintain privacy and prevent eavesdropping. It is also very handy in for bypassing firewall restrictions on networks where…
Read MoreNginx: Locking Down The WordPress Backend By IP Address
I recently looked at the server logs for a new site that had just launched and noticed alot of hits by random IP addresses being made to the WordPress login script. Similar to the excerpt below: 182.18.209.4 – – [10/Jun/2013:07:33:26 -0400] “POST /wp-login.php HTTP/1.1” 200 4807 “drinknycity.com/wp-login.php” “Mozilla/5.0 (Windows NT…
Read MoreFilling device storage with HTML5 localstorage
A while back I wrote about using HTML5 local storage engine for storing websites data locally on a client device for caching or off line use. The W3 recommendation on web storage recommends a size limit on the amount of data storage allowed per origin. This has currently been implemented…
Read MoreRuxmon Is Coming To Sydney
Next Friday will see Sydney hold its very first Ruxmon meetup and by the look of the presentations its not going to be one to be missed. Presentations Proprietary Protocols RCE : Research leads – Jonathan Brossard This presentation will discuss the following techniques for protocol analysis: Automated TCP replay…
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