The vulnerability found in Nessus scan is Microsoft Windows - DTC Remote code execution (MS05-051) and propose and implement a mitigation strategy to remediate the corresponding vulnerability. For example, a vulnerability that might be a threat is the use of telnet protocol to connect to a remote server over the Internet. The solution for this threat is to prevent/block incoming/outgoing telnet traffic, by writing some IPTables rules, as follows:iptables -A INPUT -p tcp --dport telnet -j REJECT iptables -A OUTPUT -p tcp --dport telnet -j REJECT

Note: it is important when you choose your mitigation techniques to make sure that they are feasible.