Dec 01, 2012 · UDP port 137 should not connect to a external address normally. The port is used by NETBios. Which is used for File and Printer Sharing, and Domain server traffic. Check your firewall rules. Normally this should not be allowed, unless someone made a firewall rule that explicitly allows this. I am not familiar with remote access tools.
Mar 29, 2020 · SMB uses either IP port 139 or 445. Port 139: SMB originally ran on top of NetBIOS using port 139. NetBIOS is an older transport layer that allows Windows computers to talk to each other on the same network. Port 445: Later versions of SMB (after Windows 2000) began to use port 445 on top of a TCP stack. Using TCP allows SMB to work over the Frequently, the 16th octet, called the NetBIOS Suffix, designates the type of resource, and can be used to tell other applications what type of services the system offers. In NBT, the name service operates on UDP port 137 (TCP port 137 can also be used, but rarely is). The name service primitives offered by NetBIOS are: Mar 10, 2020 · Organizations can allow port 445 access to specific Azure Datacenter and O365 IP ranges to enable hybrid scenarios where on-premises clients (behind an enterprise firewall) use the SMB port to talk to Azure file storage. You should also allow only SMB 3.x traffic and require SMB AES-128 encryption. See the References section below for more 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.
Apr 29, 2020
Port 137 (tcp/udp) :: SpeedGuide 12 rows GRC | Port Authority, for Internet Port 137 Port Authority Database Port 137. Name: netbios-ns: Purpose: NetBIOS Name Service: Description: UDP NetBIOS name query packets are sent to this port, usually of Windows machines but also of any other system running Samba (SMB), to ask the receiving machine to …
Mar 29, 2020
Port(s) Source article(s) 137: NetBios name service 138: NetBios session service 139: Datagram service 445: SMB over TCP/IP. 80 443 137 138 139 445-Sophos Central Mar 19, 2001 · There seems to be a great deal of fear, panic, and confusion about packets FROM port 137 TO port 137. If you are getting a small number (say 4) packets per second FROM port 137, and TO port 137, this is not a denial of service. Set in Port Aransas, within 3.7 mi of The University of Texas Marine Science Institute, Tropical Comfort in Port Aransas 137 offers accommodations with air conditioning. The property is 3.7 mi from Port Aransas Marina. The apartment includes a living room with a TV and a DVD player. A dishwasher and a microwave can be found in the kitchen. May 06, 2020 · 137 Palmilla Cir #302 is a condo in Port Aransas, TX 78373. This 1,958 square foot condo sits on a 1,912 square foot lot and features 4 bedrooms and 3 bathrooms. This condo has been listed on Redfin since February 07, 2020 and is currently priced at $654,000. This property was built in 2015. Jul 16, 2020 · Service Name and Transport Protocol Port Number Registry Last Updated 2020-07-16 Expert(s) TCP/UDP: Joe Touch; Eliot Lear, Allison Mankin, Markku Kojo, Kumiko Ono, Martin Stiemerling, Lars Eggert, Alexey Melnikov, Wes Eddy, Alexander Zimmermann, Brian Trammell, and Jana Iyengar SCTP: Allison Mankin and Michael Tuexen DCCP: Eddie Kohler and Yoshifumi Nishida Dec 05, 2018 · UDP/137 – Netbios Name Service: This port is used to attain name resolution for Netbios. Think of it as Netbios’s version of DNS or ARP . It’s simply a way to use something you have, make a query, and get something you want in return. Jul 13, 2020 · 137 Wilson Ave is a house in Port Monmouth, NJ 07758. This 1,692 square foot house sits on a 0.51 acre lot and features 3 bedrooms and 2 bathrooms. This house has been listed on Redfin since April 18, 2019 and is currently priced at $144,900. The price of 137 Wilson Ave has decreased $90,000 during that time. This property was built in 1908.