WebPort 139 is used by SMB dialects that communicate over NetBIOS. It operates as an application layer network protocol for device communication in Windows operating … WebJul 27, 2024 · An administrator at your company may have opened a port to satisfy a request and forgotten all about it. ... Before we discuss why leaving some ports open is a security risk, let's first look into the specifics of what ports are. ... protocol, which operates over TCP ports 139 and 445, is open by default in Windows machines. It is meant only ...
What are the risky ports? - Questions Fishing
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Why Are Some Network Ports Risky, And How Do You …
WebVulnerabilities in SMB Listens on Port is a Medium risk vulnerability that is also high frequency and high visibility. This is the most severe combination of security factors that … WebJan 2, 2002 · Most networks that use NetBios and connect to the Internet also have a firewall that blocks incoming traffic on port 139. That way you are sure that all NetBios traffic originates from within your own network. Having any open ports exposes you to … WebMar 18, 2003 · It said that none of ports responded as open (presumably because inetd is doing it's job) but there are three ports which are open: 137 NetBIOS-NS which is for Windows/Samba file and print sharing. 138 NetBIOS-DGM for the same. 139 NetBIOS for network neighbourhood. porsche famille