US-CERT on Twitter: "To help prevent #ransomware attacks, @CISAgov recommends users & administrators: ✔️Disable SMBv1 ✔️Block all versions of #SMB at the network boundary by blocking TCP port 445 with related protocols
![Metasploitable 2: Ports 139, 445. This is part V of the Metasploitable 2… | by Miguel Sampaio da Veiga | Hacker Toolbelt | Medium Metasploitable 2: Ports 139, 445. This is part V of the Metasploitable 2… | by Miguel Sampaio da Veiga | Hacker Toolbelt | Medium](https://miro.medium.com/max/1400/1*j4URB1_fsusHJ87umG_KEg.png)
Metasploitable 2: Ports 139, 445. This is part V of the Metasploitable 2… | by Miguel Sampaio da Veiga | Hacker Toolbelt | Medium
![Metasploitable 2: Ports 139, 445. This is part V of the Metasploitable 2… | by Miguel Sampaio da Veiga | Hacker Toolbelt | Medium Metasploitable 2: Ports 139, 445. This is part V of the Metasploitable 2… | by Miguel Sampaio da Veiga | Hacker Toolbelt | Medium](https://miro.medium.com/max/1400/1*SyEMPqEYTTiSTw6UJdVuQg.png)