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Topic: CHAP


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In the News (Fri 11 Dec 09)

  
  Challenge-handshake authentication protocol - Wikipedia, the free encyclopedia
CHAP is used to periodically verify the identity of the client by using a three-way handshake.
CHAP provides protection against playback attack by the peer through the use of an incrementally changing identifier and a variable challenge value.
CHAP requires that the secret be available in plaintext form.
en.wikipedia.org /wiki/Challenge-handshake_authentication_protocol   (232 words)

  
 Encyclopedia: CHAP   (Site not responding. Last check: 2007-10-08)
CHAP is used to periodically verify the identity of the peer using a 3-way handshake.
CHAP is an acronym for Christian Homeschool Association of Pennsylvania, a nonprofit corporation founded to encourage and support families interested in home education.
CHAP assists parents in understanding and fulfilling the law's requirements and is affiliated with two national organizations: Home School Legal Defense Association and The National Center for Home Education.
www.nationmaster.com /encyclopedia/CHAP   (310 words)

  
 [No title]
Advantages CHAP provides protection against playback attack by the peer through the use of an incrementally changing identifier and a variable challenge value.
Since CHAP may be used to authenticate many different systems, name fields may be used as an index to locate the proper secret in a large table of secrets.
CHAP Codes are assigned as follows: 1 Challenge 2 Response 3 Success 4 Failure Identifier The Identifier field is one octet and aids in matching challenges, responses and replies.
www.ietf.org /rfc/rfc1994.txt   (2804 words)

  
 Overview of CHAP
CHAP serves an important and unique function in the City of Baltimore which cannot be provided by any other agency.
By ordinance, CHAP, like other preservation commissions in the state, is mandated to recommend buildings and neighborhoods for designation, conduct follow-up design review and initiate a variety of activities that encourage preservation of valued buildings.
CHAP has sponsored workshops and in-service training programs to support all facets of community preservation.
www.boltonhill.org /mria/documents/chap/overview_of_chap.htm   (732 words)

  
 Database of Case Studies Achieved Using CADP
CHAP uses a a challenge response mechanism based on a nonce (a sort of random number used only once) and a shared secret, which is only known to the entities that want to authenticate each other.
The service of CHAP (i.e., the suitable orderings of service primitives) is derived when no intruder is present and shown to satisfy the authentication properties.
To check that the protocol is robust, the authentication properties must be satisfied by the service of CHAP derived in the presence of an intruder.
www.inrialpes.fr /vasy/cadp/case-studies/99-d-chap.html   (523 words)

  
 Understanding and Configuring PPP CHAP Authentication  [Point-to-Point Protocol (PPP)] - Cisco Systems
With this command, CHAP authentication is disabled for all calls, which means that all attempts by the peer to force the user to authenticate with the help of CHAP are refused.
A CHAP challenge from 3640-1 to the calling router is required on this call.
CHAP authentication succeeds if the calculated and the received hash values are equal.
www.cisco.com /en/US/tech/tk713/tk507/technologies_tech_note09186a00800b4131.shtml   (1551 words)

  
 About CHAP
CHAP played a key role in establishing the Community Dental Health Center, which opened in Wildwood in 1995.
CHAP is also helping to increase access to care for women who are at risk for breast and cervical cancer.
The CHAP membership is working to decrease the use and abuse of drugs, alcohol and tobacco in Cape May County, especially among young people.
www.chap.org /about.html   (808 words)

  
 Christian Homeschool Association of Pennsylvania   (Site not responding. Last check: 2007-10-08)
The CHAP Newsletter is mailed to over 4,000 families across the state, and is a source of motivation and encouragement to homeschooling families.
To locate a support group in your area write to CHAP with the name of the county in which you live and we will attempt to locate a support group near you.
Recordings of the speaker sessions from the 2005 CHAP Convention are available for purchase on cassette or CD.
www.chapboard.org   (618 words)

  
 MS-CHAP Support  [Cisco IOS Software Releases 11.3] - Cisco Systems
This attribute is identical to the PPP CHAP Identifier.
To enable CHAP or PAP or both and to specify the order in which CHAP and PAP authentication are selected on the interface, use the ppp authentication interface configuration command.
When you enable CHAP or PAP authentication (or both), the local router requires the remote device to prove its identity before allowing data traffic to flow.
www.cisco.com /en/US/products/sw/iosswrel/ps1826/products_feature_guide09186a0080080ed0.html   (1847 words)

  
 Department of Family Medicine - Community Health Advancement Program (CHAP)
CHAP students and attending physician restock medications for the Dermatology Clinic, Downtown Emergency Service Center, Seattle.
The Community Health Advancement Program (CHAP) began at the University of Washington in 1980 as an organization created to nurture the ideas and goals of health care students interested in working with medically underserved populations.
CHAP sponsors student-initiated and directed, extracurricular community direct service projects, educational programs and a seminar series addressing the health needs of underserved communities.
www.fammed.washington.edu /predoctoral/chap   (143 words)

  
 Cisco - PPP Authentication Using the ppp chap hostname and ppp authentication chap callin Commands
CHAP authentication, on the other hand, periodically verifies the identity of the remote node using a three-way handshake.
Using normal CHAP authentication, the username (which would be the hostname) of each remote device and a shared secret must be configured on the central router.
Router 1 uses "alias-r1" as its hostname for CHAP authentication instead of "r1." The Router 2 dialer map name should match Router 1's ppp chap hostname; otherwise, two B channels are established, one for each direction.
www.cisco.com /warp/public/131/ppp_callin_hostname.html   (1355 words)

  
 CHAP Home Site   (Site not responding. Last check: 2007-10-08)
CHAP - the Community Health Action Partnership - is a coalition of local health care, government, business, law enforcement, education, clergy and social service agencies, in partnership with one common goal: to improve the overall health of the people of Cape May County.
CHAP's mission is to improve the health status of all citizens in Cape May County.
CHAP's vision is to create an environment in which individuals and organizations take responsibility for improving the health of all citizens.
www.chap.org   (197 words)

  
 Community Health Accreditation Program
CHAP accreditation publicly certifies that an organization has voluntarily met the highest standards of excellence for home and/or community-based health care.
Additional benefits of accreditation by CHAP include management consultation of the highest quality, access to a broad network of professional resources, and guidance critical to building intra and inter-organizational collaboration and strength.
CHAP is celebrating forty years (1965-2005) as an accreditation program for home and community based health care.
www.chapinc.org   (222 words)

  
 (Chap's Photography - Bethlehem, West Virginia) Chap’s Photography
Now is the time to get the family together for that special portrait you have been meaning to have done.
Let Chap's Photography create a beautiful fine portrait for you that will grace your family's home for generations.
Let Chap help you in deciding what colors or clothes would be best for you.
www.chapsphotography.com   (376 words)

  
 The Fifth Kingdom
Chap 2a: Protozoan "pseudofungi" - the so-called Slime Moulds
Chap 8: Spore Dispersal in Fungi - Airborne spores and allergy
Chap 12: Fungal Plant Pathology in Agriculture and Forestry
www.mycolog.com /fifthtoc.html   (241 words)

  
 Chap Clerk monospaced font family
The Chap Clerk font is vaguely inspired by the design used by some typewriters in the early days, when type was not electronic, but lead and pain.
Contrary to typewriters, Chap Clerk is a nice proportional typeface, fully kerned.
Chap Clerk is a nice font to set text with, and well as to create headers or titles.
www.fontmenu.com /site/_Chap-Clerk.html   (383 words)

  
 Meet Dr. Chap Clark
With more than 20 years experience in youth and family ministry, Chap Clark is one of the most sought after and respected experts in the field.
Chap serves as the main youth and family guy at Fuller, directing its youth ministry programs.
And Chap has been instrumental in developing Fuller’s Institute of Youth Ministry (IYM) Certificate of Youth Ministry in partnership with Youth Specialties.
www.fuller.edu /cll/fco/chapclark.html   (354 words)

  
 Pfam 19.0 : CHAP   (Site not responding. Last check: 2007-10-08)
The CHAP (cysteine, histidine-dependent amidohydrolases/peptidases) domain isa region between 110 and 140 amino acids that is found in proteins frombacteria, bacteriophages, archaea and eukaryotes of the Trypanosomidae family.Many of these proteins are uncharacterized, but it has been proposed that theymay function mainly in peptidoglycan hydrolysis.
The CHAP domain is found in awide range of protein architectures; it is commonly associated with bacterialtype SH3 domains and with several families of amidase domains.
Secondary structure predictions show that the CHAP domain belongs tothe alpha + beta structural class, with the N-terminal half largely containingpredicted alpha helices and the C-terminal half principally composed ofpredicted beta strands PUBMED:12765833, PUBMED:12765834.
pfam.wustl.edu /cgi-bin/getdesc?name=CHAP   (277 words)

  
 Challenge-Handshake Authentication Protocol from FOLDOC   (Site not responding. Last check: 2007-10-08)
(CHAP) An authentication scheme used by PPP servers to validate the identity of the originator of the connection upon connection or any time later.
CHAP provides protection against playback attack through the use of an incrementally changing identifier and a variable challenge value.
The authentication can be repeated any time while the connection is open limiting the time of exposure to any single attack, and the server is in control of the frequency and timing of the challenges.
foldoc.org /?CHAP   (168 words)

  
 RFC 2433 (rfc2433) - Microsoft PPP CHAP Extensions
MS-CHAP is closely derived from the PPP Challenge Handshake Authentication Protocol described in RFC 1994 [2], which the reader should have at hand.
LCP Configuration The LCP configuration for MS-CHAP is identical to that for standard CHAP, except that the Algorithm field has value 0x80, rather than the MD5 value 0x05.
Failure Packet The Failure packet is identical in format to the standard CHAP Failure packet.
www.faqs.org /rfcs/rfc2433.html   (2482 words)

  
 Community Health Accreditation Program
CHAP was granted “deeming authority” by the Centers for Medicare and Medicaid Services (CMS) in 1992 for home health and in 1999, for hospice.
This means that instead of state surveys, CHAP has regulatory authorization to survey agencies providing home health and hospice services, to determine whether they meet the Medicare Conditions of Participation (COPs).
CHAP will be the preferred accreditation services partner for community-based organizations.
www.chapinc.org /chap-info.htm   (226 words)

  
 CHAP versus PAP   (Site not responding. Last check: 2007-10-08)
Another feature of CHAP is that it doesn't only require the client to authenticate itself at startup time, but sends challenges at regular intervals to make sure the client hasn't been replaced by an intruder, for instance by just switching phone lines.
As CHAP is so much stronger than PAP, pppd tries to use the former whenever possible.
The interpretation of the client and server fields is different for CHAP and PAP, and also depends on whether we authenticate ourselves with the peer, or whether we require the server to authenticate itself with us.
www.tldp.org /LDP/nag/node120.html   (647 words)

  
 THE COINAGE ACT OF 1792
The acts establishing and regulating the mint of the United States, and for regulating coins, have been: An act establishing a mint and regulating the coins of the United States passed April 2, 1792, chap.
5; an act in alteration of the act establishing a mint and regulating the coins of the United States, March 3, 1794, chap.
14; an act amendatory of an act establishing the branch mint at Danlonega, Georgia, and defining the duties of the assayer and coiner, February 27, 1843, chap.
landru.i-link-2.net /monques/coinageact.html   (1119 words)

  
 CalHFA - CalHFA Housing Assistance Program (CHAP)
The CalHFA Housing Assistance Program (CHAP) is designed to provide up to 3% of the down payment assistance needs of eligible homebuyers purchasing a home anywhere in California.
CHAP is a deferred-payment junior loan for down payment assistance.
The junior loan has a low simple interest rate and a term of 30 years; however, payments on the junior loan are deferred for the life of the first loan.
www.calhfa.ca.gov /homeownership/programs/chap.htm   (431 words)

  
 Brewer, E. Cobham. Dictionary of Phrase & Fable. Chap.
Shaw, G.B. Stein, G. Stevenson, R.L. Wells, H.G. Reference > Brewer’s Dictionary > Chap.
“If you want to buy, I’m your chap.” A good chap-man or chap became in time a good fellow.
Hence, A good sort of chap, A clever chap, etc. (Anglo-Saxon, ceap-mann.
www.bartleby.com /81/3370.html   (71 words)

  
 The Chap Locus
In other news, Tosh got a job at Sojitz so that is pretty coo.
They assist in focusing the vision and encouraging those they are working with embrace their passion.
Anyways, other than the last 48 hours physically and the past 5 minutes with my hardware, things are pretty busy but overall, I'm pretty happy about life in general.
chapium.blogspot.com   (866 words)

  
 Chap FM Oldskool   (Site not responding. Last check: 2007-10-08)
Back when Chap FM Oldskool started up there didn't seem to be a lot of point in streaming at a higher bitrate than the standard 56kbps.
Chap FM Oldskool has been running for nearly 3 years now so it was about time I got off my arse and actually made a proper page for it.
I'm not very good at doing colourful stuff, but I decided to get the info on here and wait for someone to volunteer lots of lovely help.
radio.chapinhand.com   (339 words)

  
 CHAP   (Site not responding. Last check: 2007-10-08)
The group employs in excess of 300 people in a range of increasingly diversified roles.
CHAP strives to be not only a player in the market but at the cutting edge.
With continuing investment in plant, machinery and new technology the Group will continue to lead rather than follow the competition.
www.chap.co.uk   (74 words)

  
 Cisco CHAP Authentication Vulnerability
If the keywords "ppp" and "chap" do not both appear in your system configuration file, you are not vulnerable.
You can effectively do this by using the "set ppp secret client" command to set the CHAP secret that would be used for such authentication to some randomly chosen "garbage" value.
If you install upgraded software, and legitimate CHAP connections stop working, please see the paragraphs immediately following this one, which we believe describe the failures that are likely to be be seen in real networks.
ciac.llnl.gov /ciac/bulletins/i-002a.shtml   (1889 words)

  
 CHAP, Challenge Handshake Authentication Protocol   (Site not responding. Last check: 2007-10-08)
The Challenge packet is used to begin the Challenge-Handshake Authentication Protocol.
Size of the CHAP packet including the Code, Identifier, Length and Data fields.
Bytes outside of this range should be treated as Data Link Layer padding and should be ignored on reception.
www.networksorcery.com /enp/protocol/chap.htm   (723 words)

  
 Chap Books (or Chapbooks)
Please note that we will not be accepting any further Chap Book orders for the next month or two, due to health issues.
So why not subsidy publish a chap book and guarantee your fiction or poetry is in print for posterity?
Chances are, if you don't mind a little hassle (and hussle), you may even get your money back in sales around your community...
www.tickledbythunder.com /TbT/Products/01_Chap_Books.html   (751 words)

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