e mail virus protection handbook phần 6 docx

... 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

... 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

... 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, ... PGPkeys (Keys | Import or Ctrl+I). Public keys received by e- mail must first be saved to file, before they can be imported. If you receive the key in the message body, select the complete...

Ngày tải lên: 14/08/2014, 04:21

... 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 they ... form when the message window is closed. When the option is enabled, the decrypted message contents are displayed in the PGP viewer. When an encrypted message is opened in the secure viewer b...

Ngày tải lên: 14/08/2014, 04:21

... Default.vsh McAfee VirusScan (scan32) 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 ... 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 tra...

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

... 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 ... The S= 366 6 indicates that the source TCP port is 366 6. The first three frames display the TCP handshake, which establishes a TCP connection between the client and server. In frame four, the...

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 ... effective content-filtering software implemen- tation. When using a content-filtering tool, all e- mail is filtered at the server before it reaches the intended recipient. E- mail...

Ngày tải lên: 14/08/2014, 04:21

... 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 digest, 64 Decryption, ... success, 101 Dedicated servers, 26 Default security setting, 40 Default settings, security, 38–39 Definition files deployment. See Viruses updates. See AntiVirus 2000; Viruses Delete...

Ngày tải lên: 14/08/2014, 04:21