Wednesday, July 27, 2005

Word of the Day: globbing

WhatIs.com: Word of the Day
July 28, 2005
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ISSUE SPONSORED BY: IT Conversations

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IN THIS ISSUE

-- Word of the Day: globbing
-- Today's Tech News
-- Brain Food
-- Additions and Updates

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TODAY'S WORD: globbing

Globbing is the process of expanding a non-specific file name
containing a wildcard character into a set of specific file names
that exist in storage on a computer, server, or network. A wildcard
is a symbol that can stand for one or more characters. The most
common wildcard symbols are the question mark (?) for a single
character and the asterisk (*) for a contiguous string of characters.
Wildcards are useful when searching for expressions in which one or
more of the characters can vary. An example is:

William.*

The result of this search is the set of all file names that exist in
a given storage medium with William to the left of the period (such
as William.txt, William.tif, William.doc, and so on). Wildcards are
also useful when the spelling of a term or name is unknown. For
example, if a user is unsure whether a person's first name is spelled
as Philip or Phillip within a file name with the .rtf extension, the
user can enter:

Phi*ip.rtf

Globbing often requires a computer or server to search huge numbers
of files or directories, placing large demands on processing power
and memory resources. This has led to denial-of-service (DoS) attacks
by hackers who enter file names containing wildcards with the sole
intention of causing a server to repeatedly and continuously glob
(perform globbing functions). Vulnerability to this type of attack
can be reduced by limiting the amount of time a server can spend
globbing -- for example, limiting the wildcard input from specific
users per unit time, or refusing to glob if a wildcard is too
general.

SEE OUR COMPLETE DEFINITION, WITH HYPERLINKS:
http://searchvb.techtarget.com/sDefinition/0,290660,sid8_gci1110704,00.html?track=NL-34&ad=522968

RELATED CONTENT:

Castaglia.org explains how globbing works and how it is used.
http://www.castaglia.org/proftpd/doc/contrib/ProFTPD-mini-HOWTO-Globbing.html

The National Center for Supercomputing Applications (NCSA) at the
University of Illinois (Champaign) offers some examples of globbing.
http://archive.ncsa.uiuc.edu/General/Training/InterUnix/csh/glob.html

CERT explains how multiple ftpd implementations contain buffer
overflows.
http://www.kb.cert.org/vuls/id/808552

TODAY'S TECH NEWS
......................................................................

ORACLE'S OFF SAP PROGRAM SHOWS EARLY RESULTS | SearchOracle.com
It's only been a month, but already Oracle is touting its OFF SAP
program as a growing pipeline of success.
http://searchoracle.techtarget.com/originalContent/0,289142,sid41_gci1110728,00.html?track=NL-34&ad=522968

CUSTOMERS WARNED OF CRITICAL SAP FLAW | SearchSAP.com
A flaw in SAP Internet Graphics Server can allow a hacker to gain
user privileges and eventually access confidential SAP files,
according to UK security firm Corsaire Ltd.
http://searchsap.techtarget.com/originalContent/0,289142,sid21_gci1110774,00.html?track=NL-34&ad=522968

ASK MICROSOFT: HOW CAN I IDENTIFY LOCKED FILES IN WINDOWS 2000
SERVER? | SearchWinSystems.com
A manager for Microsoft's internal IT organization explains how to
identify the process that locks a file from use by other processes in
Windows 2000 Server.
http://searchwinsystems.techtarget.com/originalContent/0,289142,sid68_gci1097124,00.html?track=NL-34&ad=522968

MORE TECH NEWS
Catch up on all the latest IT news!
http://searchtechtarget.techtarget.com/gateway/news?track=NL-34&ad=522968


BRAIN FOOD
......................................................................

SECRET WORD OF THE DAY
This device is attached to a microprocessor chip to keep it from
overheating by absorbing its heat and dissipating it into the air.
What is it?

Answer
http://searchenterpriselinux.techtarget.com/sDefinition/0,,sid39_gci815999,00.html?track=NL-34&ad=522968&offer=dq

TODAY'S TRIVIA QUESTION
PRINCE2 is a project management methodology that makes use of the
best proven practices from a variety of industries and backgrounds.
Which government developed it?
a. China
b. United States
c. United Kingdom

Answer
http://searchenterpriselinux.techtarget.com/sDefinition/0,,sid39_gci925934,00.html?track=NL-34&ad=522968&offer=dq

IT ALPHABET SOUP
PSTN is the world's collection of interconnected voice-oriented
public telephone networks. What does PSTN stand for?
a. public systematic telephone network
b. public switched telephone network
c. provider service telephone network

Answer
http://searchenterpriselinux.techtarget.com/sDefinition/0,,sid39_gci214316,00.html?track=NL-34&ad=522968&offer=dq

LEARNING CENTER: SECURITY SEVEN AWARDS -- NOMINATE YOUR PEERS |
SearchSecurity.com
TechTarget's Information Security magazine, SearchSecurity.com and
Information Security Decisions have created the Security Seven Awards
to recognize the achievements of leading information security
practitioners in seven vertical industries. To nominate an individual
for the Security Seven Awards, please complete the form (Downloadable
Word doc) and return it to mailto:securityseven@infosecuritymag.com.
Nomination forms must be received by Aug. 1, 2005.
http://searchsecurity.techtarget.com/general/0,295582,sid14_gci1103116,00.html?track=NL-34&ad=522968&ad=521685USCA

ADDITIONS AND UPDATES
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cold backup
http://searchstorage.techtarget.com/sDefinition/0,,sid5_gci1110316,00.html?track=NL-34&ad=522968

zoning
http://searchstorage.techtarget.com/sDefinition/0,,sid5_gci966485,00.html?track=NL-34&ad=522968

Airborne Internet
http://searchmobilecomputing.techtarget.com/sDefinition/0,,sid40_gci1107890,00.html?track=NL-34&ad=522968

genetic engineering
http://whatis.techtarget.com/definition/0,,sid9_gci1110323,00.html?track=NL-34&ad=522968

Quiz: Name my claim to fame!
http://whatis.techtarget.com/definition/0,,sid9_gci1109326,00.html?track=NL-34&ad=522968

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[Osdir-daily] Mozilla Gains Support from Plaxo

Plaxo announced Tuesday that it will extend support to Mozilla's Thunderbird
e-mail client by offering a beta version of its toolbar for synchronizing
address books.

URL: http://www.osdir.com/Article6598.phtml
http://OSDir.com on the O'Reilly Network
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