In my lecture, I mentioned that I cannot put in the lecture slides the things I showed on screen. Some pages were from books that are in print. I showed some pictures, that, I think, explain very well certain aspects of ethernet communication. However I supply, below, links to some of the information I talked about, even if these are less good (in my opinion), and some I didn't have time to talk about :-) ... Nir.
presentation of osi layers and other matters. http://ws.edu.isoc.org/workshops/2004/SANOG-IV/ip-services/presentations/ip-intro/ ipbasics/sld021.htm http://www.tcpipguide.com/free/t_OSIReferenceModelLayerSummary.htm about : Ethernet over twisted pair http://en.wikipedia.org/wiki/10BASE-T History, layer description, examples, and much more: worth looking at ** everybody will find something he didn't know. http://en.wikipedia.org/wiki/OSI_model tcp state machine : http://diuf.unifr.ch/people/yoois/Janus/Verifier/NewTCPState.jpg (the next link is very long and split on 6 lines !). http://images.google.com/imgres?imgurl=http://diuf.unifr.ch/people/yoois/Janus/Verifier/NewTCPState.jpg&imgrefu l=http://diuf.unifr.ch/people/yoois/Janus/Verifier/index.htm&h=691&w=846&sz=97&tbnid=KrPohCO8MmvS4M:&tbnh=118&t nw=145&prev=/images%3Fq%3Dtcp%2Bstate%2Bmachine%26um%3D1&start=3&sa=X&oi=images&ct=image&cd=3 -- Wireshark filters -- Here are a few examples of diplay filters and capture filters. In both cases logical expressions can do wonders. DISPLAY filters: eth.dst == 00:0d:22:23:62:3f (filtering based on MAC address). ip.src == 132.74.24.200 !(ip.src == 132.74.24.200) (negation this way works, using != doesn't always) !(ip.addr == 132.74.24.200 or ip.addr==132.74.24.201) tcp.port==80 !(tcp.srcport == 80) !(tcp.port == 80) udp.port==53 tcp udp arp (worth trying) CAPTURE filters : (spaces between keywords are important) host 132.74.1.40 ether host 00:0d:22:23:62:3f net 132.74.1.0 mask 255.255.255.0 (note: non-netwok bits should be set to zero) net 132.74.1.240 mask 255.255.255.252 tcp port 8080 tcp udp arp ---- _______________________________________________ Haifux mailing list Haifux@haifux.org http://hamakor.org.il/cgi-bin/mailman/listinfo/haifux
