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Security
236 Avaya Application Solutions IP Telephony Deployment Guide
 
Figure 74: Isolated LANs (Avaya S8700-series Server with a G650 Media Gateway)
Virus and worm protection
Viruses and worms are most often targeted at Microsoft Windows operating systems or such 
commonly used applications as IIS, Exchange, Outlook, or Word. Because the Avaya S8300, 
S8400, S8500, and S8700-series Servers are Linux-based and do not interface with these 
Microsoft products, they have some degree of natural immunity. In addition, viruses and worms 
are most commonly delivered by e-mail, by visiting infected Web sites, or by sharing disk drives. 
The servers do not
Support incoming email and, therefore, do not forward e-mail
Contain the Internet Explorer Web browser
Share drives
All file transfers to the Avaya servers are restricted. Software and service pack files are 
cryptographically signed to prevent introduction of unwanted software. In addition to this natural 
immunity, the files and file systems of the Avaya servers are monitored by Tripwire.