Standard for the transmission of IP datagrams over IEEE 802 networks

Postel, J.; Reynolds, J. K.

doi:10.17487/rfc1042

Cited by 57 publications

(20 citation statements)

References 5 publications

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“…The most common largest fragment size by far is 1500 bytes; it is the maximum packet size for Ethernet networks. Ethernet networks using LLC/SNAP, in accordance with RFC 1042 [17], produce 1492-byte IP packets. DEC Gigaswitch traffic results in packets of length 1484 bytes.…”

Section: Characteristics Of Fragment Trafficmentioning

confidence: 99%

Beyond folklore: observations on fragmented traffic

Shannon

Moore

claffy

2002

IEEE/ACM Trans. Networking

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Abstract-Fragmented IP traffic is a poorly understood component of the overall mix of traffic on the Internet. Many assertions about the nature and extent of fragmented traffic are anecdotal rather than empirical. In this paper we examine the causes and attributes of measured fragment traffic, in particular, the effects of NFS, streaming media, networked video games, tunneled traffic, and the prevalence of packet fragmentation due to improperly configured machines.To understand the prevalence, causes, and effects of fragmented IP traffic, we have collected and analyzed seven multiday traces from four sources. These sources include a university commodity access link, two highly aggregated commercial exchange points, and a local NAP. Although there is no practical method of ascertaining whether any data provide a representative sample of all Internet traffic, we include data sources that cover several different types of WANs with traffic from commercial entities, educational and research institutions, and large government facilities.The dominant causes of fragmentation are streaming media and tunneled traffic. Although rumored to be the main impetus for IP packet fragmentation, NFS is not among the top ten causes.

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Section: Characteristics Of Fragment Trafficmentioning

confidence: 99%

Beyond folklore: observations on fragmented traffic

Shannon

Moore

claffy

2002

IEEE/ACM Trans. Networking

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“…It is well known [21,31,34] that a relevant portion of the plaintext is practically constant and that some other bytes can be predicted. They correspond to the LLC header and the SNAP header and some bytes of the TCP/IPv4 and ARP encapsulated frames.…”

Section: Description Of Wepmentioning

confidence: 99%

Smashing WEP in a Passive Attack

Sepehrdad

Sušil

Vaudenay

et al. 2014

Fast Software Encryption

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Abstract. In this paper, we report extremely fast and optimised active and passive attacks against the old IEEE 802.11 wireless communication protocol WEP. This was achieved through a huge amount of theoretical and experimental analysis (capturing WiFi packets), refinement and optimisation of all the former known attacks and methodologies against RC4 stream cipher in WEP mode. We support all our claims by providing an implementation of this attack as a publicly available patch on Aircrack-ng. Our new attacks improve its success probability drastically. We adapt our theoretical analysis in Eurocrypt 2011 to real-world scenarios and we perform a slight adjustment to match the empirical observations. Our active attack, based on ARP injection, requires 22 500 packets to gain success probability of 50% against a 104-bit WEP key, using Aircrack-ng in non-interactive mode. It runs in less than 5 seconds on an off-the-shelf PC. Using the same number of packets, Aicrack-ng yields around 3% success rate. Furthermore, we describe very fast passive only attacks by just eavesdropping TCP/IPv4 packets in a WiFi communication. Our passive attack requires 27 500 packets. This is much less than the number of packets Aircrack-ng requires in active mode (around 37 500), which is a huge improvement. We believe that our analysis brings on further insight to the security of RC4.

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“…By means of encapsulating IP datagrams within NetBIOS datagrams and assigning IP numbers to the hosts on a NetBIOS network, IP-based applications are supported on these hosts. The addition of a router capable of encapsulating IP packets within ordinary datalink protocols (such as 802.3 [4]) as well as within NetBIOS datagrams allows these NetBIOS hosts to communicate with the Internet at large.…”

Section: Descriptionmentioning

confidence: 99%

Standard for the transmission of IP datagrams over NetBIOS networks

McLaughlin¹

1989

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Standard for the transmission of IP datagrams over IEEE 802 networks

Cited by 57 publications

References 5 publications

Beyond folklore: observations on fragmented traffic

Beyond folklore: observations on fragmented traffic

Smashing WEP in a Passive Attack

Standard for the transmission of IP datagrams over NetBIOS networks

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