Address mask can be set to 0. ICMP Address Mask Request may be used as a part of reconnaissance attack to gather information on the target network, therefore ICMP Address Mask Reply is disabled by default on Cisco IOS. Address mask reply. Address mask reply is used to reply to an address mask request message with an appropriate subnet mask.

The new mechanical face mask the internet can't stop talking about. Kevin Frayer/Getty Images. By Kate Hagan Gallup / May 20, 2020 8:37 pm EDT. Mask. 08/15/2017; 2 minutes to read; In this article. Sets or retrieves whether transparent content of an object is changed to the MaskColor value. Examples. This sample sets the BasicImage filter to mask the content of a DIV element.