ISM-0546

When video conferencing or IP telephony traffic passes through a gateway containing a firewall or proxy, a video-aware or voice-aware firewall or proxy is used.

Topic
Video-aware and voice-aware firewalls and proxies
Applicable to
all

History

Priority
should
Jun 2022
When video conferencing or IP telephony traffic passes through a gateway containing a firewall or proxy, a video-aware or voice-aware firewall or proxy is used.
The ISM previously recommended that when video conferencing or internet protocol telephony traffic passed through a gateway that contained firewalls that the firewalls be video-aware or voice-aware. The scope of this recommendation has now been expanded to cover proxies used in a gateway.
Mar 2022
Where a requirement exists to implement a firewall in a gateway, and video conferencing or IP telephony traffic passes through the gateway, a video-aware or voice-aware firewall is used.
Miscellaneous changes were made to rationale and recommendations throughout the publication to clarify content without changing intent. This included a review from the Guidelines for System Hardening chapter through to the Guidelines for Data Transfers chapter.
2017
Where a requirement exists to implement a firewall in a gateway, and video conferencing or IPtelephony traffic passes through the gateway, a video or voice-aware firewall should be used.
Control Text Changed. No public explaination.
2015
Where a requirement exists to implement a firewall in a gateway, and video conferencing orIP telephony traffic passes through the gateway, a video or voice–aware firewall should beused.
2010
Agencies using IP telephony that have a requirement to implement a firewall in a gateway environment shoulduse a voice-aware firewall that meets the same minimum level of assurance as specified for normal firewalls.
2008
Agencies using IPT that have a requirement to implement a firewall within a deployed gateway between computer networks should use an evaluated voice-aware firewall that meets the same minimum level of assurance as specified for normal firewalls.