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Mar 30, 2016 · Guaranteed communication over TCP port 137 is the main difference between TCP and UDP. UDP port 137 would not have guaranteed communication as TCP. UDP on port 137 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. As we can see from the example the TCP 445 is open and listening mode which means this system will accept connections to the 445 port. SMB Over Netbios. Actually Netbios protocol works in TCP 139 and UDP 137 and UDP 138. So if we have a secure network that prevents access to the remote hosts we should add firewall allow TCP and UDP 137-139 rule. Dec 01, 2010 · UDP 137 is used by NetBIOS File sharing in Windows 7. Depending on what you do while you are using Remote Desktop on your network, it might invoke the UDP137. If it does not impede anything functional that you need to do, leave it alone. The firewall Job is to block aspects of Network traffic. You do not have to feel "sorry" for it doing its Job. UDP port 137 (name services) UDP port 138 (datagram services) TCP port 139 (session services) NetBIOS over TCP/IP is specified by RFC 1001 and RFC 1002. The Netbt.sys driver is a kernel -mode component that supports the TDI interface.
Configuring a Firewall for Operations Manager | Microsoft Docs
Port(s) Protocol Service Details Source; 137 : tcp,udp: netbios-ns: NetBIOS is a protocol used for File and Print Sharing under all current versions of Windows.
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137 Island Point Rd, North Port, FL 34287 is a 2 bedroom, 2 bathroom, 1,461 sqft single-family home built in 1984. This property is currently available for sale and was listed on Jan 23, 2020. The asking price for 137 Island Point Rd is $159,500. The MLS # for this home is MLS# C7430646. By default, Kaspersky provides monitoring for various common ports used in general applications. For example, Port 80 (Http) is actively watched by Kaspersky to ensure normal network traffic, and to monitor any suspicious activity. In rare cases, you may want to add a specific port to Kaspersky to allow access for that connection.