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."
- Learn a cohesive strategy for securing e-mail systems in our E-mail Security School.
- Learn how some firewalls cause Outlook Web Access to malfunction and how to fix it.
- Here are some basic firewall security tips to consider.
This was first published in March 2005