CATO Networks

MARCH 24, 2020

At the beginning of the month, Microsoft released an advisory and security patch for a serious Windows Server Message Block (SMB) vulnerability called the Windows SMBv3 Client/Server Remote Code Execution Vulnerability (AKA Windows SMBv3 RCE or CVE-2020-0796). Windows SMBv3 RCE isnt the first vulnerability in SMB.

SMB 52

SMB Port Server Protocol 52

CATO Networks

AUGUST 18, 2022

Additionally, policy rules can be further refined based on application context including application (custom applications too), application categories, service, port range, domain name, and more. This includes elements like IP address, subnet, username, group membership, hostname, remote user, site, and more.

SASE 52

SASE Cloud Port Firewall 52

CATO Networks

MAY 20, 2024

Figure 2: Distribution of Servers IPs by Number of Shared Domains Refer to Figure 3 for an illustration of a shared hosting IP address hosting both a highly malicious phishing site – ultrasafe.co.in This IP is managed by eWebGuru, a hosting service provider that allocates server resources to various clients.

IP Address 52

IP Address Server Port SMB 52

Kentik

APRIL 24, 2017

If you’re looking to examine traffic coming from individual client machines in an SMB or even an enterprise network setting, then that increased granularity is helpful. If you’re a hosting, cloud, or Web provider, the types of hosts you’re concerned with are servers, which are each usually pushing traffic at tens to hundreds Mbps.

Protocol 40

Protocol Routers Bandwidth Internet 40