Clear and Present Dangers Bill Cheswick Lumeta Corp. c email@example.comSlide 3
Clear and Present Dangers Perimeter Leaks Poor host securitySlide 4
Mapping the Internet and Intranets Bill Cheswick firstname.lastname@example.org http://www.cheswick.comSlide 5
Intranets are wild Always have been Highlands âday afterâ situation Panix DOS assaults an approach to follow unknown bundles back! Web tomography Curiosity about size and development of the Internet Same apparatuses are helpful for seeing any extensive system, including intranets MotivationsSlide 6
Related Work See Martin Dodgeâs digital topography page MIDS - John Quarterman CAIDA - kc claffy Mercator â Measuring ISP topologies with rocketfuel â - 2002 Spring , Mahajan , Wetherall Enter âinternet mapâ in your web indexSlide 7
Long term dependable accumulation of Internet and Lucent network data without irritating an excess of individuals Attempt some straightforward perceptions of the information motion picture of Internet development! Create apparatuses to test intranets Probe the far off corners of the Internet The GoalsSlide 8
Methods - information gathering Single dependable host associated at the organization border Daily full output of Lucent Daily fractional sweep of Internet, month to month full sweep One line of content for each system examined Unix devicesSlide 9
Methods - system checking Obtain expert system rundown system records from Merit, RIPE, APNIC, and so on. BGP information or directing information from clients hand-gathered rundown of Yugoslavia/Bosnia Run a traceroute-style filter towards every system Stop on blunder, finish, no information Keep the locals gladSlide 10
TTL tests Used by traceroute and different apparatuses Probes toward every objective system with expanding TTL Probes are ICMP, UDP, TCP to port 80, 25, 139, and so forth. A few individuals piece UDP, others ICMPSlide 11
Server Client Application level Application level Router TCP/UDP TCP/UDP IP Hardware TTL tests Hop 3 Hop 1 Hop 2 Hop 4 Hop 3Slide 12
Server Client Application level Application level Router TCP/UDP TCP/UDP IP Hardware Send a bundle with a TTL of 1â¦ Hop 3 Hop 1 Hop 2 Hop 4 Hop 3Slide 13
Server Client Application level Application level Router TCP/UDP TCP/UDP IP Hardware â¦and we get the passing notice from the first jump Hop 3 Hop 1 Hop 2 Hop 4 Hop 3Slide 14
Server Client Application level Application level Router TCP/UDP TCP/UDP IP Hardware Send a parcel with a TTL of 2â¦ Hop 3 Hop 1 Hop 2 Hop 4 Hop 3Slide 15
Server Client Application level Application level Router TCP/UDP TCP/UDP IP Hardware â¦ thus on â¦ Hop 3 Hop 1 Hop 2 Hop 4 Hop 3Slide 16
Advantages We donât need access (I.e. SNMP) to the switches Itâs quick Standard Internet instrument: it doesnât break things Insignificant burden on the switches Not liable to appear on IDS reports We can test with numerous parcel sortsSlide 17
Limitations Outgoing ways just Level 3 (IP) just ATM systems show up as a solitary hub This bends graphical examination Not all switches react Many switches restricted to one reaction for every secondSlide 18
Limitations View is from filtering host just Takes a while to gather exchanging ways Gentle mapping means missed endpoints Imputes non-existent connectionsSlide 19
The information can go whichever way B C D An E FSlide 20
The information can go whichever way B C D An E FSlide 21
But our test bundles just go almost B C D An E FSlide 22
We record the hopâ¦ B C D An E FSlide 23
The following test happens to go the other way B C D An E FSlide 24
â¦and we record the other hopâ¦ B C D An E FSlide 25
Weâve attributed a connection that doesnât exist B C D An E FSlide 26
Data accumulation grievances Australian parliament was the first to grumble List of whiners (25 nets) Military saw promptly Steve Northcutt courses of action/notices to DISA and CERT These protests are for the most part a relic of past times Internet foundation radiation prevailsSlide 27
Visualization objectives make a guide show intriguing components troubleshoot our database and accumulation routines difficult to overlay up geology doesnât matter utilization hues to show further significanceSlide 30
Infovis best in class in 1998 800 hubs was a gigantic chart We had 100,000 hubs Use spring-power reproduction with heaps of observational changes Each design required 20 hours of Pentium timeSlide 32
Visualization of the format calculation Laying out the Internet diagramSlide 34
Visualization of the format calculation Laying out an intranetSlide 36
A disentangled guide Minimum separation spreading over tree utilizes 80% of the information Much simpler representation Most of the connections still substantial Redundancy is in the centerSlide 37
Colored by AS numberSlide 38
Map Coloring separation from test host IP location shows groups Geographical (by TLD) ISPs future timing, firewalls, LSRR piecesSlide 39
Colored by IP address!Slide 40
Colored by geologySlide 41
Colored by ISPSlide 42
Colored by separation from filtering hostSlide 43
US military came to by ICMP pingSlide 44
US military systems came to by UDPSlide 47
Yugoslavia An unclassified look at another combat zoneSlide 49
Un film standard Steve âHollywoodâ Branigan...Slide 51
Routers in New York City missing generator fuelSlide 53
We parcel our systems to escape from the diversion Companies, governments, offices, even families cover up in enclaves to constrain availability to sanction benefits These are called intranets The decentralized, cloud-like nature of webs makes them difficult to oversee at an essential issue My organization investigates the degree of intranets and their interconnections with different systems.Slide 55
Intranets: whatever remains of the InternetSlide 61
This was Supposed To be a VPNSlide 64
Anything sufficiently vast to be gotten a âintranetâ is wildSlide 65
Case examines: corp. systems Some intranet measurementsSlide 66
A sends bundle to B , with mock return location of D If B would, it be able to will answer to D with a reaction, conceivably through an alternate interface Leak Detection glove Mapping host D An Internet intranet C B Test hostSlide 67
Packet must be created so the reaction wonât be allowed through the firewall A mixed bag of parcel sorts and reactions are utilized Either inside or outside location may be found Packet is named so we know where it originated from Leak Detection glove Mapping host D An Internet intranet C B Test hostSlide 68
Existence confirmations of intranet releases: jail worm Itâs a pop-test on border trustworthiness The best run systems (e.g. spooksâ nets) don\'t get these diseases Internal hosts may be vulnerableSlide 69
Some Lumeta lessons Reporting is the truly critical step Converting information to data âTell me how we contrast with other clientsâ Offering an administration was great practice, for some time The customers need a gadget We have >70 Fortune-200 organizations and government offices as customers Need-to-have versus need to-haveSlide 70
Honeyd â system imitating Anti-hacking instruments by Niels Provos at citi.umich.edu Can react as one or more has I am arranging it to resemble a whole clientâs system Useful for testing and investigating Product?Slide 71
History of the Project Started in August 1998 at Bell Labs April-June 1999: Yugoslavia mapping July 2000: first client intranet examined Sept. 2000: spun off Lumeta from Lucent/Bell Labs June 2002: âBâ round subsidizing finished 2003: deals >$4MMSlide 73
Mapping the Internet and Intranets Bill Cheswick email@example.com http://www.cheswick.comSlide 74
My Dadâs Computer and the Future of Internet Security Bill Cheswick firstname.lastname@example.org http://www.lumeta.comSlide 76
My Dadâs PC Skinny-plunging with MicrosoftSlide 77
Case contemplate: My Dadâs PC Windows XP, a lot of strength, two screens Applications: Email (Outlook) âBridge:â an extravagant stock exchange observing framework AIMSlide 78
Case consider: My Dadâs PC Cable access dynamic IP address no NAT no firewall obsolete infection programming no spyware checkerSlide 79
This PC was a product harmful waste dump It was blazing a liter of oil each 500 km The popups appeared to be darned diverting to meSlide 80
My Dadâs PC: what the repair nerd discovered Everything âViruses Iâve never heard offâ Constant popups Frequent impacts of different pages, all vulgar Dad: why do I give it a second thought? I am completing my workSlide 81
Dadâs PC: how could he have been able to he get in this chaos? He doesnât realize what the popup security messages mean Email-conceived infections Unsecured system administrations Executable code in site pages from unworthy destinationsSlide 82
He is completing his work Didnât need a framework head to botch up his client interface settings Truly ruinous assaults are uncommo
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