DNS monitor LAST RESPONSE "Failure - ICMP port unreachable"

DNS type monitor LAST RESPONSE displayed"Failure - ICMP port unreachable" like below:...

JVN#71291160: StreamRelay.net.exe and sDNSProxy.exe vulnerable to denial-of-service (DoS)

StreamRelay.net.exe and sDNSProxy.exe fail to properly process ICMP Port Unreachable message CWE-703. Impact A remote attacker may be able to cause a denial-of-service DoS condition. Solution Update the Software Update to the latest version according to the information provided by the developer...

CVE-2001-0411

Reliant Unix 5.44 and earlier allows remote attackers to cause a denial of service via an ICMP port unreachable packet, which causes Reliant to drop all connections to the source address of the packet...

CVE-2001-0411

CVE-2001-0411 affects Reliant Unix 5.44 and earlier. The vulnerability allows remote attackers to cause a denial of service by sending an ICMP port unreachable packet, causing Reliant to drop all connections to the packet’s source address. Available records indicate a network-remote impact with p...