Nmap NSE 6.01: smtp-open-relay

Attempts to relay mail by issuing a predefined combination of SMTP commands. The goal of this script is to tell if a SMTP server is vulnerable to mail relaying. An SMTP server that works as an open relay, is a email server that does not verify if the user is authorised to send email from the...

Nmap NSE 6.01: dns-random-txid

Checks a DNS server for the predictable-TXID DNS recursion vulnerability. Predictable TXID values can make a DNS server vulnerable to cache poisoning attacks see CVE-2008-1447. The script works by querying txidtest.dns-oarc.net see https://www.dns- oarc.net/oarc/services/txidtest. Be aware that a...