What is Digg?81 Comments
- ohhhL3ThaL, on 10/12/2007, -9/+52Very imformative.
Now draw it in cartoon animal form so the 6th grade trolling kids on Digg can get it. - sourtimes, on 10/12/2007, -10/+45"What do you think those pdfs get translated into when you hit "Print"?"
Paper? - prockcore, on 10/12/2007, -1/+27"Yes, real haxx0rz use .ps, which has been obsolete for years."
It's obsolete? Someone should tell *every postscript printer on the market*.
What do you think those pdfs get translated into when you hit "Print"? - slimwhip, on 10/12/2007, -2/+25Useful information. Plus, everything is better with drop shadows.
- trejrco, on 10/12/2007, -1/+10Very nice drawings, any plans for adding IPv6? ...
(and/or referencing IP Protocol 41, IPv6-in-IPv4 tunneling)
I know, beggars != choosers ... - gfw123, on 10/12/2007, -0/+8Ummm, no. Well, I guess they could use it too. But, if you have ever done any networking coding this can come in handy.
- spengy, on 10/12/2007, -1/+8Kevin Rose Effect aside, those are really pretty good. Most of the time on the net, those are done as ASCII art.
These are much nicer to look at. - mrinternet, on 10/12/2007, -1/+5@trejrco
IPv6
http://www.cisco.com/application/pdf/en/us/guest/tech/tk872/c1482/cdccont_0900aecd80260042.pdf#search=%22header%20IPv6%22
I have plagarised I mean utilised the cisco drawings for a while now.
I've done it with google on the PC !!
/smartass me :-) - ohhhL3ThaL, on 10/12/2007, -1/+5the layers of the OSI model are theory, not a protocol.
amirite anyone? I think I am. heh - dbremer, on 10/12/2007, -1/+4gfw123 mentions coding - but it's also handy for network analysis. Ethereal/Wireshark lays things out pretty good but its handy to have the decodes in this form. For layer 2 this is handy www.cisco.com/warp/public/105/encheat.pdf
- rooster1056, on 10/12/2007, -0/+3Very Well Done!
I agree with trejrco. Anything on IPv6 would be quite welcome.
Keep up the good work! - blapierre, on 10/12/2007, -1/+4Yay for the designers of IP not completely seperating the network layer and the transport layer....
- prockcore, on 10/12/2007, -1/+4No.. the ones complaining about PDFs are on windows.. with their acrobat reader.
Linux users have the very nice Evince. http://www.gnome.org/projects/evince/ - ohhhL3ThaL, on 10/12/2007, -0/+3I'm not amazed by its information, but wy the quality of the images.
They are more usable for larger resolution powerpoints. They don't get as blury being that big - DrDabbles, on 10/12/2007, -0/+3...these diagrams (and probably MANY more) were in your course materials, in the RFC's, and in every book covering the workings of IP. In case you missed it.
- Roger, on 10/12/2007, -3/+6Wow, submitted 1 hr 45 minutes ago and already on the front page.
One of the perks of being Kevin Rose. - Hexis, on 10/12/2007, -0/+2Because the original drawings are vector based, and rasterizing them sets a resolution. What format would you like and what size of an image? It won't scale well, but I'm happy to rasterize them to whatever.
- blapierre, on 10/12/2007, -0/+2IP header specifies what transport protocol is being used.
- chubbymidget, on 10/12/2007, -1/+3Very Helpful
- wildag, on 10/12/2007, -0/+2Just for edification purposes I'd like to note that ESP stands for Encapsulating Service Protocol. ESP is used for transporting IPSEC, PPTP and many other VPNs. ESP is also commonly transported over UDP/IP in the case of NAT.
- inactive, on 10/12/2007, -2/+4uuug where were you during my cisco cert exaaaams
- barcode, on 10/12/2007, -0/+2OFF TOPIC: I have no problem with PDFs on Linux they open in a blink of an eye with evince from Firefox. I don't understand why they should cause such a problem on Windows. When I open a PDF in Windows it brings the OS to it's knees for at least 10 seconds - it's crazy. I can't figure out if it is Acrobat or Windows that is at fault, I get the feeling it is Acrobat.
- t3hX, on 10/12/2007, -0/+2Because Kevin Rose posted it. Now STFU and digg it :P
- Computer_Kid, on 10/12/2007, -0/+2Geek p0rn! :-)
- NathanBalon, on 10/12/2007, -0/+2For TCP/IP there are layers but it doesn't conform to the OSI model. For instance, the application, session and presentation layer of the OSI model are just combined into the application layer for TCP/IP. For the network stack of TCP/IP contains the following layers: the physical (channel and encoding), MAC (ethernet, 802.11), network (IP), transport (UDP, TCP), and application layer (network applications)
- Hexis, on 10/12/2007, -0/+2There is not much to the header for IPv6 other than address, but I'll work something up. Look for it soon.
- dacheetah, on 10/12/2007, -0/+2@mrinternet:
You realise you could have replied to trejrco's post rather than slimwhip's, and it would have made your comment make a little more sense... - LordofShadows, on 10/12/2007, -0/+2No arp headers! Boo!
- mrinternet, on 10/12/2007, -0/+1@nathonbalon
ooh times roman and ASCII
so 20th century
:-) - headzoo, on 10/12/2007, -2/+3Very cool, although I would have preferred having them in an image format, like PNG.
- wildag, on 10/12/2007, -0/+1Without having combed the diagrams for errors I would say these are at least excellent basic references. Hope someone has the drive to go over these for verification.
- jayhawk88, on 10/12/2007, -0/+1Props to creator, excellent job, excellent resource. You will be seeing these stolen and referenced on websites for years to come.
- manitoba98xp, on 10/12/2007, -1/+2Aha! Now I know that you can encapsulate "ESP" within an IPv4 packet! Now you, too, can see the future all the way across the world! ;)
- jcurran, on 10/12/2007, -0/+1Not separating the transport and network layers was a wise decision at the time due to cpu speeds, but likely a major mistake going forward for IPv6 which will get in the way of true multihoming and mobility.
/John - ravedave, on 10/12/2007, -0/+1Please please please release this as an SVG under creative commons attribution liscense so this can be uploaded to wikipedia. Those articles sorely need these drawings. This si the type of thing up there now... (http://en.wikipedia.org/wiki/Image:IPv6_header_rv1.png) My account there has the same username if you need any help.
- osbjmg, on 10/12/2007, -0/+1Nice drop shadow, try this site http://www.networksorcery.com/enp/default0803.htm
- Hexis, on 06/24/2008, -0/+1The drawings are going to be part of the upcoming nmap book.
- 0x00, on 10/12/2007, -1/+2It looks like somebody hasn't been acquainted with Foxit Reader. ;)
http://www.foxitsoftware.com/pdf/rd_intro.php - giloron, on 10/12/2007, -0/+1If they were in png or any other image format, you would lose the vector goodness. svg might have worked though.
- NathanBalon, on 10/12/2007, -0/+0I have a hard time believing that this post received so many diggs. If I posted the same material it wouldn't get no where near this many diggs, I guess it helps to be Kevin Rose.
- NathanBalon, on 10/12/2007, -0/+0I agree with you on the topic of this being no news, we are in the minority though. I'm sure by telling the truth this comment will get dugg down.
- NathanBalon, on 10/12/2007, -0/+0PDFs view fine on Linux.
- NathanBalon, on 10/12/2007, -1/+1I agree with you ohhhL3ThaL, I never saw people get that excited over seeing protocol headers. The drawings are nice. I just don't find this posting that useful. Maybe if I had never seen them before I would have been amazed too. Isn't Digg supposed to be for news anyway?
- binarysemaphore, on 10/12/2007, -0/+0Absolutely beautiful..Going to take printouts of these and hang those in my cube..
- GnuTzu, on 10/12/2007, -0/+0Could these be converted to SVG? PDF's make sense for printing, but they'll never integrate nicely with browsing.
- Floris, on 10/12/2007, -0/+0Hexis, don't worry about the kids dizzing you .. they're just jealous they can't even draw a straight line :) I've bookmarked the page; great reference to have.
- andrewwl, on 10/12/2007, -0/+0This's been with me for over a year:
http://www.sans.org/resources/tcpip.pdf - mdubh, on 10/12/2007, -0/+0Just for edification purposes, ESP stands for Encapsulating Security Payload. It is a cryptographic protocol that is an optional component of IPsec (but not PPTP, which uses MPPE for encryption) used for confidentiality, integrity and authentication.
- weirdalexis, on 10/12/2007, -0/+0Very complete, even the evil bit is mentioned !
- Hexis, on 10/12/2007, -0/+0That's why I created them in the first place. I was in Track 3 (IDS) and creating BCP filters was a lil ugly. I wanted something easier to see where the bit boundries were for the different portions of the header.
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