What is the protocol for port 427?
What is the protocol for port 427?
| Name: | slp |
|---|---|
| Description: | This protocol, used predominantly by Sun and Netscape, provides a means for devices and services to offer Internet-wide location and configuration services. By rendezvousing on the permanently defined port 427, SLP-aware services are able to locate each other and exchange information. |
| Related Ports: | – |
What SLP 427?
SLP is a packet-oriented protocol. All devices are required to listen on port 427 for UDP packets, SAs and DAs should also listen for TCP on the same port.
What ports should I block for security?
For example, the SANS Institute recommends blocking outbound traffic that uses the following ports:
- MS RPC – TCP & UDP port 135.
- NetBIOS/IP – TCP & UDP ports 137-139.
- SMB/IP – TCP port 445.
- Trivial File Transfer Protocol (TFTP) – UDP port 69.
- Syslog – UDP port 514.
Does Windows use SLP protocol?
Commonly, SLP is often used in Windows for finding network printers – among other less common uses, Mac OS and OSX (to version 10.1) uses it to discover file shares and a variety of network services, and it is also common in various Linux distributions.
What does SLP do in vmware?
https://kb.vmware.com/s/article/76372 Service Location Protocol (SLP) is a standard protocol that provides a framework to allow networking applications to discover the existence, location, and configuration of networked services in networks.
How do I block unnecessary ports?
How to Block or Open a Port in Windows 10/8/7 Firewall
- Open Windows Firewall and find the Advanced Settings.
- Open the List of Inbound Rules.
- Set up a New Rule.
- Open the New Inbound Rule Wizard.
- Block the Connection.
- Apply Your New Rule to Each Profile Type.
- Name Your Rule and Configure the Settings.