Playing with fire(walls), Question No. 1

1.) What type of firewall monitors SMTP traffic for anomalies and signature-based attacks?
A. XML firewall
B. e-mail firewall
C. packet-inspection firewall
D. desktop firewall

Answer from E-mail firewalls: A vital defense layer:
"E-mail firewalls provide antivirus and antispam functionality, and protect against directory harvest attacks. They can include features such as Web-based administration and mail services, and the ability to receive mail from multiple domains. The appliances monitor SMTP traffic for anomalies and signature-based attacks."

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This was first published in March 2005

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