Supplicant PowerPoint PPT Presentations

La norme 802.1x Expos de syst me ... Expiration des timers de session, port en mode unauthorized Le Fonctionnement Le Dialogue Dialogue Supplicant / Authenticator ...

Joshua Wright - jwright@sans.org. 2. Background & Vulnerability. Client (Supplicant) ... VLAN separation does not mitigate sniffing. Radius key known or ...

Initial Request might be just a filler record. Needham-Schroeder Request goes into an EAP Response ... EAP finishes with the Supplicant having the credential ...

Proxy server. Authenticator (AP or switch) User DB. User DB. Supplicant. Guest ... level RADIUS proxy server. University of. Southampton. DFN ...

Microsoft Vista. Windows. Security Center SHA. Windows. Built-in Supplicant. Microsoft XP SP3 ... Microsoft Vista. Blue Ridge. EdgeGuard SHA. Windows. Built-in ...

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One or more APs and wireless stations. One AP is a BSS (Basic Service Set) ... Station as SUPPLICANT, AP as AUTHENTICATOR, with a backend Authentication Server ...

802.11b (WEP) Wired Equivalent Protocol. Many attacks found ... Inspiration for finding attacks, but need to model attacks correctly. Can not model DoS attacks ...

WEP, TKIP included for backward compatibility. CCMP as a long-term solution with hardware upgrade ... Compose messages with known nonce and MIC. Forge fresh Message 1 ...

Wireless Security Beyond WEP ...

IEEE 802.1x Port Based Authentication Vorwort 4 Ziffern 1 Punkt und 1 Buchstabe 169 Seiten umfassender Standard Gliederung Vorwort Einleitung IEEE 802.1x Standard ...

Data Integrity (checksum, anti-tampering) WEP. RC4 stream cipher ... Message Integrity Code (MIC) - 64-bit message calculated using 'Michael' ...

could be problematic in Transient Security Networks (TSN) ... Security Level Rollback Attack in TSN. Reflection Attack on the 4-Way Handshake ...

missing: pseudonyms, fast reauthenticate, message display ... first cut of Windows SDK EAP framework port done. done by Chris Hessing Chris.Hessing@utah.edu ...

802.1X & EAP State Machines (found at: http://www-personal.umich.edu/~jrv/eap.htm) Jim Burns Paul Congdon Nick Petroni John Vollbrecht New Significant 802.1aa/D5 ...

Similar security properties as EAP-TLS, like mutual authentication and a shared ... WPA uses Temporal Key Integrity Protocol (TKIP) - stronger data encryption, ...

could be problematic in Transient Security Networks (TSN) ... Security Level Rollback Attack in TSN. Reflection Attack on the 4-Way Handshake ...

WEP key (40 or 60 bit) combined with 24-bit Initialization Vector (IV) ... TTLS - Developed by Funk Software, Authenticator uses a certificate to identify ...

reflection attack could be possible if not implemented correctly ... Reflection Attack: Solutions. Possible ... Reflection attack. Possible in ad hoc scenario ...

IEEE 802.11 is a set of ... http://www.itsec.gov.cn/docs/20090507161834185644.pdf http://documents.iss.net/whitepapers/wireless_LAN_security.pdf http ...

Csci388 Wireless and Mobile Security Access Control: 802.1X, EAP, and RADIUS Xiuzhen Cheng cheng@gwu.edu WEP Weakness IV is too short and not protected from reuse ...

Title: Blueprint For Security Chapter 6 Author: Herbert J. Mattord Last modified by: xuan Created Date: 11/15/2002 2:43:33 PM Document presentation format

Securing & Managing Wireless LAN : Implementing 802.1x EAP-TLS PEAP-MSCHAPv2 , FreeRADIUS + dialupadmin + MySQL ( FULL DEMO ) Make Deep Security with WPA2

... used for dial-up Internet access. ... its original use as a dial-up access method as it's now used ... With dial-up Internet access, that's the ...

Blueprint For Security Chapter 6

Title: Blueprint For Security Chapter 6 Author: Herbert J. Mattord Last modified by: cherryp Created Date: 11/15/2002 2:43:33 PM Document presentation format

Wireless Security Update Mark Ciampa Western Kentucky University mark.ciampa@wku.edu Oxymoron Government organization Same difference Pretty ugly Working vacation Tax ...

Faculty of Computer Sciense and Engineering Chapter 07 Designing and Implementing Security for WLAN Objectives Implementing IEEE 802.11 Security Pre-RSNA Security ...

802.11h overlays 802.11a to solve both interference and overuse problems, as ... Grasshopper from BV Systems. Mobile Manager from Wavelink ...

... or does not expect it silently discards the Request and does not Reply ... Peer 'MAY' discard queued requests when sending a Request. Unexpected and not understood ...

... plaintext password (TTLS:PAP) ... Plaintext password (TTLS:PAP, PEAP:GTC) e.g. for LDAP, ... Authentication: EAP-TTLS:PAP. Backend auth against central ...

Same static key used on AP as well as all clients. WPA: The solution for today. Wi-Fi Protected Access (WPA) created to fix vulnerabilities of WEP while keeping ...

Long periods of time to capture those packets ... Uses the same challenges handshake ... TTLS uses TLS channel to exchange 'attribute-value pairs' (AVPs) ...

Denial of service vulnerabilities partially addressed ... No detailed discussion of DoS vulnerabilities ... Distinguish between DoS attacks. Attacks from afar ...

Temporal keys are generated from PMK ... Two sets of temporal keys: one for EAPOL handshake and one for data. All temporal keys must be 128 bits in length ...

Setting up an eduroam Service Provider COURSE OBJECTIVES By the end of the training, you will be able to: Describe eduroam services and technology.

5 NOKIA 14-10-2003 / PE. Access authorization (phase 1b) ... 8 NOKIA 14-10-2003 / PE. Limitation 2. Phase 1a and 1b are almost completely separate ...

Title: Blueprint For Security Chapter 6 Author: Herbert J. Mattord Last modified by: Faculty, staff, student or affiliate. Created Date: 11/15/2002 2:43:33 PM

Secrecy of the cryptographic algorithm (restricted algorithm) The cryptographic algorithm is not a secret, but ... Attacking wireless laptop* :promiscuous mode ...

1,000 bytes for Blowfish cryptographic algorithm ... Cryptographic algorithm Blowfish saves memory space. NOVSF's 64 time slot provides more security ...

What s New in Fireware XTM v11.4 WatchGuard Training * WatchGuard Training * WatchGuard Training * WatchGuard Training * WatchGuard Training * Aims to mimic Policy ...

It's not trivial to 'break into' wireless networks. Adolescents. are not decoding. your wireless. transmissions. at 30 MPH. On the other hand...

Wireless Networking WLAN Security Module-12 Jerry Bernardini Community College of Rhode Island * * Wireless Networking J. Bernardini * You could drive a truck through ...

... Administration Official Study Guide, Fourth Edition, Tom Carpenter, Joel Barrett ... Arbaugh, Narendar Shankar, Y.C. Justin Wan, Department of Computer Science ...

Setup Host Based AP ( hostap ) in Linux & freeBSD ... Developed by Funk Software and Meetinghouse and is currently an IETF draft. ...

Epic of Gilgamesh Honors 2101 Unit 1: Mesopotamia and Ancient Near East Rough Outline Some Background Tablets I-V Tablets VI-VIII Tablets IX-XI Closing Thoughts ...

Ad- hoc Networks. Policy violation. Identify theft. Man in the middle attack ... Interim interoperable standard created by Wi-fi alliance in response to ...

Audit analysis tools can also be used in a real-time, or near real-time fashion. ... Trends/variance-detection tools graph anomalies in user or system behavior. ...

Linksys. Hiding the SSID. You can 'cloak' an access point's ID ... Linksys WPC11 ver3 client card. 3COM AP8000 series. Virtual Private Networks (VPNs) ...

Each machine acts as the end node VPN server and client. ... Microsoft s Internet Security and Acceleration (ISA) Server Principles of Information Security, ...

Data transmitted can be easily intercepted. Signal coverage area cannot be well limited. ... 'Intercepting Mobile Communications: the Insecurity of 802.11' ...

Wi-Fi standards use the Ethernet protocol and CSMA/CA (carrier sense multiple ... Rogue AP attacks (AP impersonation) DOS (denial of service) wireless attacks ...

According to the birthday paradox, if C(N,q) is the probability of collision ... New versions should not allow backwards compatibility! Other major problems: ...

* * * * IDS Deployment Overview Like the decision regarding control strategies, the decision about where to locate the elements of the intrusion detection systems can ...

Windows Zero Config/GINA. Users expect it, especially in higher ed. AEGIS and Funk take over WZC/GINA. Users complain loudly. Helpdesk gets swamped ...