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What is promiscuous mode? - a definition from Whatis.com Promiscuous mode must be supported by each network adapter as well as by the input/output driver in the host operating system. Promiscuous mode is often used to monitor network activity. Promiscuous mode is the opposite of non-promiscuous mode. searchsecurity.techtarget.com /sDefinition/0,,sid14_gci518283,00.html   (305 words)

promiscuous_mode [Wireless Mesh Network Testbed] The wifiX device must be used when monitor mode is enabled whereas the ethX device is used when the card is used as a normal wireless client. Another aspect of monitor mode is that the NIC does not care whether the CRC values are correct for packets captured in monitor mode, so some packets that you see may in fact be corrupted. Promiscuous mode allows you to view all wireless packets on a network to which you have associated. www.cse.msu.edu /~wangbo1/testbed/doku.php?id=promiscuous_mode&DokuWiki=90e3e4b033c32087e1600f8ec5188e89   (645 words)

Promiscuous mode - Wikipedia, the free encyclopedia Promiscuous mode, in computer related fields, generally refers to the practice of putting a network card into a setting so that it passes all traffic it receives to the CPU rather than just packets addressed to it. A non-routing node in promiscuous mode can generally only monitor traffic to and from other nodes within the same collision domain (for Ethernet and Wireless LAN) or ring (for Token Ring or FDDI), which is why network switches are used to combat malicious use of promiscuous mode. As promiscuous mode can be used in a malicious way to sniff on a network, one might be interested in detecting network devices that are in promiscuous mode. en.wikipedia.org /wiki/Promiscuous_mode   (432 words)

Promiscuity - Wikipedia, the free encyclopedia The term is most commonly applied to sexual behavior, where it refers to sex that is not in the framework of a steady sexual relationship, or occurs in multiple, simultaneous sexual relationships. A common concern about promiscuity is the potential to run a higher risk of contracting sexually transmitted diseases (STDs) including HIV which may eventually lead to AIDS. In some cases, promiscuous behaviour is caused by definite pathology such as manic episodes of bipolar disorder, some forms of brain tumors, or alcohol and substance abuse. en.wikipedia.org /wiki/Promiscuity   (657 words)

Driver for Solaris - How to Work with Promiscuous Mode   (Site not responding. Last check: ) Promiscuous mode allows system administrators and others to do things such as run tcpdump and other utilities to find out what packets are being sent from or received by a node on a network. When promiscuous mode is enabled on the host machine, only the packets sent between the host machine and another machine can be seen. Promiscuous mode forces a data copy for each incoming packet to make a duplicate copy for the socket operating in promiscuous mode. www.emulex.com /ts/docfc/solaris/421e_sbus/promis.htm   (226 words)

Promiscuous mode When promiscuous mode is enabled, network frames bound for any MAC address are received and passed to the MDI consumer, whether a kernel driver or user program. Promiscuous mode must be disabled when MDI drivers are opened (they are usually opened by the ``DLPI'' module), and the DLPI module will not pass the MACIOC_PROMISC ioctl to the driver, because the underlying DL_PROMISCON_REQ primitive is NAKed on /dev/netX devices. Drivers for devices that have the capability should be coded to support promiscuous mode but this is not a requirement and some hardware cannot support promiscuous mode. docsrv.sco.com /HDK_concepts/ddT_promiscuous.html   (702 words)

Routers   (Site not responding. Last check: ) The listening mode is the way that the network adapter analyzes the destination MAC address of incoming frames to decide to process them further. In unicast listening mode, the only frames that are considered for further processing are in a table of interesting destination MAC addresses on the network adapter. Promiscuous mode is used by protocol analyzers, also known as network sniffers, such as the full version of Microsoft Network Monitor that is part of the Microsoft® Systems Management Server. www.microsoft.com /resources/documentation/Windows/2000/server/reskit/en-us/intwork/inaf_mul_nlel.asp?frame=true   (1514 words)

promiscuous-mode   (Site not responding. Last check: ) Promiscuous mode allows you to map traffic from all 65,535 VCIs to a single LSP, or from all 256 VPIs to a single LSP. For multiport PICs, all ports must be configured in either promiscuous mode or non-promiscuous mode. For ATM 2 interfaces, changing modes between promiscuous and non-promiscuous causes all physical interfaces to be deleted and then re-added. www.juniper.net /techpubs/software/junos/junos56/swconfig56-interfaces/html/interfaces-summary155.html   (124 words)

Promiscuous Monitoring in Ethernet and Wi-Fi Networks - What Is Promiscuous Monitoring In the realm of computer networking, promiscuous mode refers to the special mode of Ethernet hardware, in particular network interface cards (NICs), that allows a NIC to receive all traffic on the network, even if it is not addressed to this NIC. By default, a NIC ignores all traffic that is not addressed to it, which is done by comparing the destination address of the Ethernet packet with the hardware address (a.k.a. In a wider sense, promiscuous mode also refers to network visibility from a single observation point, which doesn't necessarily have to be ensured by putting network adapters in promiscuous mode. www.tamos.com /htmlhelp/monitoring   (184 words)

Diatribe from the WiFi Lagoon This paragraph assumes host (b) is in promiscuous mode; otherwise it would see none of this traffic, since it is nominally not a party to the conversation. If the hardware on host (a) is in promiscuous mode, it gets one copy of the echo-request packet as it is uplinked from (c) to the base station, and gets another copy as it is downlinked from the base station to (a). Possibly another part of the answer is that it is somewhat uncommon for a machine to be in promiscuous mode at the times when things are happening that are sensitive to packet duplication. www.av8n.com /computer/wifi-lagoon.html   (4072 words)

Technical Reference: Communications, Volume 1 - DL_PROMISCOFF_REQ Primitive If the DLS user disables the promiscuous mode at the physical level, the DLS user no longer receives a copy of every packet on the wire for all SAPs. If the DLS user disables the promiscuous mode at the SAP level, the DLS user no longer receives a copy of every packet on the wire directed to that user for all SAPs. If the DLS user disables the promiscuous mode for all multicast addresses, the DLS user no longer receives all packets on the wire that have either a multicast or group destination address. www.ncsa.uiuc.edu /UserInfo/Resources/Hardware/IBMp690/IBM/usr/share/man/info/en_US/a_doc_lib/libs/commtrf1/DL_PROMISCOFF_REQ.htm   (351 words)

Technical Reference: Communications, Volume 1 - DL_PROMISCON_REQ Primitive If the DLS user enables the promiscuous mode at the physical level, the DLS user receives a copy of every packet on the wire for all SAPs. If the DLS user enables the promiscuous mode at the SAP level, the DLS user receives a copy of every packet on the wire directed to that user for all SAPs. If the DLS user enables the promiscuous mode for all multicast addresses, the DLS user receives all packets on the wire that have either a multicast or group destination address. www.ncsa.uiuc.edu /UserInfo/Resources/Hardware/IBMp690/IBM/usr/share/man/info/en_US/a_doc_lib/libs/commtrf1/DL_PROMISCON_REQ.htm   (516 words)

Frequently Asked Questions Another aspect of monitor mode is that the NIC does not care whether the CRC values are correct for packets captured in monitor mode, so some packets that you see may in fact be corrupted. Promiscuous mode allows you to view all wireless packets on a network to which you have associated. The original monitor mode patch for the Prism2 drivers enabled monitor mode packets to be passed up using the NETLINK interface. airsnort.shmoo.com /faq.html   (1856 words)

Promiscuous mode: Just the facts...   (Site not responding. Last check: ) Promiscuous mode, in computer related fields, is generally used to refer to the practice of putting a network card (additional info and facts about network card) into a setting so that it passes all traffic it receives to the CPU rather than just packets addressed to it. Many operating system ((computer science) software that controls the execution of computer programs and may provide various services) s require superuser (additional info and facts about superuser) privileges to operate in promiscuous mode. A router ((computer science) a device that forwards data packets between computer networks) may monitor all traffic that it routes. www.absoluteastronomy.com /encyclopedia/p/pr/promiscuous_mode.htm   (243 words)

Network Card In Promiscuous Mode   (Site not responding. Last check: ) to running network monitors in promiscuous mode, or to use the network adapter card in single-user mode before dlpid... ...this means the network card is in promiscuous mode, which means a.....sniffer, the network card is in 'promiscuous mode', which means it.....varies between different network card drivers... Promiscuous mode, in computer related fields, is generally used to refer to the practice of putting a network card into... www.gift-card-information.com /network-card-in-promiscuous-mode.html   (432 words)

An Overview of Promiscuous Mode Promiscuous mode is a special reception mode where an adapter will receive all frames on the ring, not just frames are addressed to that adapter. This changes the state of the 'promiscuous mode allowed' configuration flag in the adapter's flash memory. Once you have restarted the machine concerned, and started a driver on the adapter for which you have permanently disabled promiscuous mode, that adapter will never again be able to support promiscuous mode. www.madge.com /_assets/downloads/lsshelp8.0/LSSHelp/AdvFeat/Promisc/Promisc2.htm   (382 words)

Setting a card to Monitor or Promiscuous mode?   (Site not responding. Last check: ) Generally monitor mode on a wireless card allows you to see 802.11b frames where as you would normally only see ip traffic when sniffing. Permiscuous mode has generally reffered to putting a network card in a state where it looks at all traffic, as apposed to ignoring traffic not destined for itself. Monitor mode can be very helpfull in finding networks that have ssid broadcast turned off, or to learn more about the 802.11b protocol. www.seattlewireless.net /pipermail/dev/2002-August/010262.html   (461 words)

TCPDUMP.org Frequently Asked Questions (15-Jul-2001) Most network interfaces can also be put in "promiscuous" mode, in which they supply to the host all network packets they see. However, some network interfaces don't support promiscuous mode, and some OSes might not allow interfaces to be put into promiscuous mode. If the interface is not running in promiscuous mode, it won't see any traffic that isn't intended to be seen by your machine. www.tcpdump.org /faq.html   (1289 words)

Problems with the last CVS version   (Site not responding. Last check: ) That was not enough since promiscuous mode was also set in hostap.c.. I would guess that your card was still in promiscuous mode. I have now commented out the promiscuous mode setting from CVS version until these things can be resolved. lists.shmoo.com /pipermail/hostap/2002-December/000668.html   (365 words)

Securing Your Host -- Additional Info   (Site not responding. Last check: ) Promiscuous mode is when a card copies in *all* datagrams on the segment, even those not addressed to itself. With an ethernet card in promiscuous mode and a "packet sniffer" software package to process the packets, someone can listen in on *all* local traffic. For this reason it is important to check your ethernet card regularly to make sure it is not in promiscuous mode. www.stanford.edu /group/itss-ccs/security/unix/promisc.html   (539 words)

SecuriTeam™ - PromiscDetect, Windows Based Promiscuous Mode Detector PromiscDetect checks if your network adapter(s) is running in promiscuous mode, which may be a sign that you have a sniffer running on your computer. Look at it this way: if the tool tells you that, the adapter is in promiscuous mode it probably is - but if it does not you should not just assume that the adapter is not in promiscuous mode. Q: My adapter is in promiscuous mode but there is no sniffer in my computer. www.securiteam.com /tools/5UP0E206VC.html   (256 words)

25-Aug-03: NDIS test 3.x: WLAN: fails when testing promiscuous mode for wireless network devices Wireless network devices are not required to support promiscuous mode. Promiscuous mode support is required for NDIS 5 drivers When making a submission with a failed log for this test, refer to this issue with the Errata ID number in the Readme.doc file included with your test submission package. www.microsoft.com /whdc/hwtest/search/details.aspx?Type=Err&ID=619   (108 words)

Promiscuous Mode (Linktionary term) A network-connected device operating in promiscuous mode captures all frames on a network, not just frames that are addressed directly to it. A hacker may also use a promiscuous mode device to capture network traffic for unscrupulous activities. Refer to "Network Analyzers" for a discussion of how promiscuous mode is applied. www.linktionary.com /p/promiscuous.html   (157 words)

questions about WiFi apps - Ipaq HQ Forums   (Site not responding. Last check: ) My favorite is PhatNet Professional, but it's pretty expensive, and the personal edition is pretty useless to me, because it can't operate in promiscuous mode. In case you're wondering what promiscuous mode is, here is a brief definition from http://searchsecurity.techtarget.com...518283,00.html In an Ethernet local area network (LAN), promiscuous mode is a mode of operation in which every data packet transmitted can be received and read by a network adapter. www.ipaqhq.com /forums/showthread.php?t=11568   (289 words)

[No title] Regenerate/install a new kernel with promiscuous support The intruder could always create a new kernel that provided promiscuous mode network interfaces, and reboot the system with the new kernel. Promiscuous mode is a hardware capability Regardless of software efforts, users must be cognizant that the promiscuous mode is fundamentally a hardware capability of network interfaces. While CERT suggests that users could disable promiscuous mode to prevent intruder abuse, any intruder with root access could re-enable the promiscuous mode. attrition.org /security/advisory/unix/hpalert/004   (1128 words)

Promiscuous Mode Clarifications   (Site not responding. Last check: ) The following definitions are being defined for the various levels of promiscuous mode. Note: The Series 700 core and EISA LAN and100VG drivers are currently the only hardware supporting promiscuous mode which is known to have a MULTICAST_ALL command. The other drivers will require that the hardware be in full promiscuous mode and then filter on the group bit in the driver. docs.hp.com /en/B2355-90139/ch01s03.html   (294 words)

Is promiscuous mode bad?   (Site not responding. Last check: ) In normal mode, traffic not destin for that card is dropped and the kernel never sees it. Once the card is placed in promiscuous mode, users on your system can use packet sniffers to sniff network traffic without needing root privs on your system. The NIC is promiscuous for the whole machine. lists.freebsd.org /pipermail/freebsd-questions/2004-August/055517.html   (207 words)

How do you turn off Promiscuous Mode on an Ethernet Adapter - The macosxhints Forums I don't know for a fact that it's promiscuous mode but it does appear to be and I'm not alone in seeing this. What seems to have happened is that the Ethernet adapters have been put into promiscuous mode with 10.4.3. So this means that you could run Ethereal and turn off promiscuous mode in the preferences and then do a capture to see what all these packets are that are seeming to interfere with your network. forums.macosxhints.com /showthread.php?s=&threadid=48412   (1269 words)

Sniffing (network wiretap, sniffer) FAQ There are also a few Ethernet where promiscuous mode is broken, either in the hardware or in the driver. Actually, there are far more adapters who simply lack the functionality in the driver in order to turn on promiscuous mode, meaning all programs that attempt to put them into promiscuous mode will fail even though the hardware supports the mode in theory. Therefore, a promiscuous mode can be detected by watching for the DNS traffic that it generates. www.linuxsecurity.com /resource_files/network_security/sniffing-faq.html   (13674 words)

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