PingTunnel
Tunnel your tcp traffic through ICMP echo/ reply packets or UDP 53(DNS) packets
So you are at a local coffee shop with your laptop and see an open access point that you want to connect to. You connect to the AP and open up your favorite webrowser, only to find that you are presented with a page that asks for a code for you to proceed with your internet cravings. WTF !! Many places such as coffee shops provide you with wireless internet connectiviy at a small cost (usually more than the coffee you purchased). You recieve a code when you purchase the coupon for wireless access and then you go onto your webrowser, enter that in and the you’re good to go. Well for almost everything digital, there is most likely a walkaround to do things and in this case there is. Enter the world of protocol tunneling. The basic idea behind this is to transfer data from one protocol or port number, using another protocol (or port number). Read more
Most programs and services produce logs. When a user visits an apache web server, the service will most likely keep a log of that request, along with the date and requester’s ip address. Other details might be logged as well. Here us an example of some entries in a logfile:
Fail2Ban