e mail virus protection handbook phần 3 ppt
E-mail Virus Protection Handbook
... 150
Availability of VirusScan 151
Updates of Virus Definition Files 152
Installation of VirusScan 5 152
Configuration of VirusScan 5 156
Norton AntiVirus 2000 163
Availability of Norton AntiVirus 2000 ... Perhaps the most famous e-mail attack, the Melissa virus was
released in February of 1999. Melissa was the first popularly known e-mail
virus that spread from user to user via e-ma...
Tài liệu E- Mail Virus Protection Handbook P2 ppt
... these tech-
nologies is dependent upon the e -mail client/server relationship. E -mail
has become the “telephone” of Internet-based economy; without e -mail, a
business today is as stranded as a ... facts
alone, you can see that e -mail has become critical in the global economy.
Unfortunately, now that businesses have become reliant upon e -mail
servers, it is possible for e -mail softwa...
ANSI/ISO C++ Professional Programmer''''s Handbook phần 3 ppt
... arguments.
ANSI/ISO C++ Professional Programmer's Handbook - Chapter 3 - Operator Overloading
file:///D|/Cool Stuff/old/ftp/1/1/ch 03/ ch 03. htm (14 von 15) [12.05.2000 14:45:47]
ANSI/ISO C++ Professional ... []
if ( p == 0)
return;
ANSI/ISO C++ Professional Programmer's Handbook - Chapter 3 - Operator Overloading
file:///D|/Cool Stuff/old/ftp/1/1/...
COMPRESSOR HANDBOOK phần 3 pptx
... in Fig. 4 .30 .
4 .3. 3 Surge
Surge flow has been defined as peak head. Below the surge point, head decreases
with a decrease in flow (Figs. 4.24 and 4 .30 ).
Surge is especially damaging to a compressor ... violin
string is supplied through the bow by the musician’s arm.
CENTRIFUGAL COMPRESSORS—CONSTRUCTION AND TESTING 4 .33
FIGURE 4. 43 An inverted pendulum. The ‘‘negative spring’’
force...
e mail virus protection handbook phần 2 ppsx
... works
together, even though the public key can be distributed freely.
You can safely give the public key to the most experienced hacker in the
world. This is because even though these keys are related, ... a recipient before the messages are encrypted.
Whenever you exchange public keys, you are said to be establishing a
trust relationship between you and your friend.
NOTE
Dedicated servers e...
e mail virus protection handbook phần 3 ppt
... when received. These settings are contained within
the PGP preferences and not the e- mail client preferences. Figure 3. 33
shows the e- mail options in the PGP Preferences window.
The option Use PGP/MIME ... the
decrypted message contents are displayed in the PGP viewer. When an
encrypted message is opened in the secure viewer by Eudora, the entire
contents of the message, message he...
e mail virus protection handbook phần 4 potx
... Default.vsc
McAfee ScreenScan HKEY-1\ScreenScan
McAfee E- mail Scan for HKEY-2 \McAfee VirusScan\
Exchange client Exchange Scan
McAfee VirusScan Central HKEY-2 \McAfee VirusScan\
VirusScan 2000
Table 5.3 Registry ... attachments, and checks for possible viruses. If no
virus is detected, the complete message is forwarded to your e- mail client.
After all messages are transferred, the...
e mail virus protection handbook phần 5 potx
... machine completely open for
someone else if there is a permanent connection to the Internet.
As mentioned earlier, if you have the latest versions of the software,
these types of controls will be ... ActiveX VBScript
Eudora Yes Yes Yes Yes
(No by default)
Netscape Yes Yes Not without Not without
Messenger a plug-in a plug-in
Outlook Yes Yes Yes Yes
Outlook Express Yes Yes Yes Yes
Even greater...
e mail virus protection handbook phần 6 docx
... the middle, not the
mixed red/white/green that we already saw. The red means that at least
one of the rights has been unchecked. For the DATA directory, we can see
that Execute and Delete have ... logging feature, BlackICE Defender supports an
Evidence Log (see Figure 7.12). This is on by default. The key difference is
that the Evidence Log contains only packets related to identified attacks....
e mail virus protection handbook phần 7 pps
... Server—Services to
Disable
When a new operating system is introduced, there are many uncertainties
because the OS has not been implemented in every production environ-
ment. There are many security ... called
hardening the server. The hardening process focuses on the operating
system, and is important regardless of the services offered by the server.
The steps will vary slightly between servi...
e mail virus protection handbook phần 8 docx
... enterprise. A content-filtering tool filters
all e- mail at the server level, before it reaches the intended recipient. E- mail
can be filtered based on sender, subject, excessive file size, prohibited con-
tent, ... some of
the differences between implementation schemes. The next step is to
translate these concepts into server management guidelines that result in
the reliable and secure op...
e mail virus protection handbook phần 9 pot
... tolerate questionable mate-
rial via e- mail, they were able to detect such e- mails being sent through
their corporate e- mail system, and were able to dismiss employees, based
on the content-filtering ... both
levels secured will help to alleviate the threat of e- mail attack.
Attachment Size
Most Word documents and Excel spreadsheets exchanged between end-
users as e- mail attac...
e mail virus protection handbook phần 10 pptx
... 350
code, execution, 222
E
Early detection, 343–347
eBay, 431
ECL. See Execution Control List
Electronic mail (E- mail) . See BlackICE
Defender 2.1; eSafe version 2.2;
HyperText Markup Language;
Junk ... 257
Database Exchange (DBX), 154, 158
DBX. See Database Exchange
DDE. See Dynamic Data Exchange
DDoS. See Distributed Denial of
Service
Debugging. See Sendmail
DecNet, 369
Decrypted dige...
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