TweetTTL stands for Time To Live and is an 8 bit field in the IP header of a IPv4 packet. The commonly accepted explanation of what TTL is that it is a number that is decremented by 1 every hop of it’s journey to the destination host. When this number decrements to 0, the current [...]
Archive for April, 2008
TTL RFC Spec Vs. Real Life Implementation
Posted: 24th April 2008 by Josh in UncategorizedTags: networking, RFC
0
TweetSo, because of some work that I am doing right now, I went ahead and skipped ahead to the module “Linux Security.” As I finished the module yesterday, I have to say, I throughly enjoyed it! We started out with the basics, then went deeper from there. I had a virtual machine running CentOS 5, [...]
TweetSo as I was working through my classes last night, I stumbled upon something that I found quite interesting: The reason that we can get more bandwidth across a CAT6 cable compared to CAT5 or even CAT3/4, even though they all have the same amount of cables (4 pairs of 2), is that as we [...]