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...

Ngày tải lên: 14/08/2014, 04:21

... 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...

Ngày tải lên: 14/08/2014, 04:21

... 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...

Ngày tải lên: 14/08/2014, 04:21

... PGP viewer. When an encrypted message is opened in the secure viewer by Eudora, the entire contents of the message, message headers and all, are displayed in the viewer window. When opened by ... recipient PGP key is selected, the recipient will not be able to decrypt the message received. Receiving PGP-Secured Messages Admittedly, PGP-signed and encrypted messages aren’t very pretty when the...

Ngày tải lên: 14/08/2014, 04:21

... 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 been disabled. This ... BlackICE Defender 2.1 BlackICE Defender from Network Ice is a firewall and IDS. The Defender version is designed as a stand-alone package for the home user. There are also centrally-manageable v...

Ngày tải lên: 14/08/2014, 04:21

... 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 ... tricky, because you can easily block yourself from services you need, especially services that use ephemeral ports, as explained above. For example, if your server is an exclusive e- mail se...

Ngày tải lên: 14/08/2014, 04:21

... 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...

Ngày tải lên: 14/08/2014, 04:21

... 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...

Ngày tải lên: 14/08/2014, 04:21

... 193, 348 , 350 code, execution, 222 E Early detection, 343 – 347 eBay, 43 1 ECL. See Execution Control List Electronic mail (E- mail) . See BlackICE Defender 2.1; eSafe version 2.2; HyperText Markup ... 257 Database Exchange (DBX), 1 54, 158 DBX. See Database Exchange DDE. See Dynamic Data Exchange DDoS. See Distributed Denial of Service Debugging. See Sendmail DecNet, 369 Decrypted...

Ngày tải lên: 14/08/2014, 04:21