The ip mask-reply is used by Cisco IOS to respond to ICMP mask requests, it does so by sending ICMP mask reply messages. This is probably why you were ...
Description. By default, the router does not respond to ICMP mask requests. This command enables responses through the interface.
2012/11/29 -ICMP mask reply messages can give an attacker the subnet mask for a particular subnetwork in the internetwork. Proxy-Arp--Disabled on all ...
IP Mask reply: Router will send the subnet mask of an interface in response to an ICMP mask request, giving away information. IP Redirects: Your router will ...
2020/9/23 -The Cisco router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
The ICMP Address Mask Request and Address Mask Reply query messages provide a host with the ability to determine the subnet mask in use on the local network.
The ability to send an ICMP type 17 query (Address Mask Request) to a remote target and receive an ICMP type 18 message (ICMP Address Mask Reply) in response.
The Address Mask Request and Address Mask Reply, like some other request/reply pairs, have the same basic format—the host creates the request with all fields ...
2018/11/15 -The Juniper router must be configured to have Internet Control Message Protocol (ICMP) mask reply messages disabled on all external interfaces.
This command configures Internet Control Message Protocol (ICMP) parameters on a VPRN service. mask-reply. Syntax. [no] mask-reply. Context.