Contents
How is the strength of a cipher shown in nmap?
The Nmap doc says that Each ciphersuite is shown with a letter grade (A through F) indicating the strength of the connection and the output line beginning with Least strength shows the strength of the weakest cipher offered.
How to control the ciphersuites in nmap ” SSL-enum ciphers “?
There is a script for enumerating the TLS versions and ciphersuites ofered by a server provided by nmap. See this link. Is there a way that allow me to specify the verisions and ciphersuites I want to test the server against? or at least know what the script’s versions and ciphersuites that it tests the server against?
Can a Nmap script be used to check a certificate?
Nmap scripts can be used to quickly check a server certificate and the TLS algorithms supported. The OWASP site has a whole lot more on testing SSL/TLS, but using Nmap scripts is convenient. Use the ssl-cert script to look at a certificate
Are there any ECDSA ciphers in the Nmap output?
As you can see there are only RSA ciphers in the nmap output. This is because you are using a certificate with an RSA key. For ECDSA ciphers you would need to use a certificate with an ECC key. Thanks for contributing an answer to Information Security Stack Exchange!
How to use the’nmap’tool to determine which protocols?
It is helpful to know which protocols and cipher suites are offered by a service or process. For example when you troubleshoot connection issues in an ePO environment with either: This article describes how to use the open-source nmap tool to identify protocols and cipher suites.
How to test the strength of a cipher?
I’m running the below Nmap command to test the strength of the cipher suites I have used in my host The Nmap doc says that Each ciphersuite is shown with a letter grade (A through F) indicating the strength of the connection and the output line beginning with Least strength shows the strength of the weakest cipher offered