SG Ports Services and Protocols - Port 487 tcp/udp information, official and unofficial assignments, known security risks, trojans and applications use.

2025年3月11日 · Service names and port numbers are used to distinguish between different services that run over transport protocols such as TCP, UDP, DCCP, and SCTP. Service names are assigned on a first-come, first-served process, as documented in .

Port 487 is a network port that can be used by both the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP). TCP is a connection-oriented protocol that provides reliable, ordered, and error-checked delivery of data between applications running on hosts communicating over an IP network.

2 天之前 · TCP/UDP端口号大全提供TCP/UDP协议中常见的端口号对照表，包括各端口号的名称及其对应的服务或应用。

2016年3月30日 · TCP guarantees delivery of data packets on port 487 in the same order in which they were sent. Guaranteed communication over TCP port 487 is the main difference between TCP and UDP. UDP port 487 would not have guaranteed communication as TCP.

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This page will attempt to provide you with as much port information as possible on TCP Port 487. TCP Port 487 may use a defined protocol to communicate depending on the application. A protocol is a set of formalized rules that explains how data is communicated over a network.

2024年4月26日 · 通常情况下在系统开机进入GRUB菜单时，按e键可以查看并修改GRUB引导参数，这对服务器是一个极大的威胁。 Generating grub configuration file ... Error #487: Your port specifications are illegal. Example of proper form: "-100,200-1024,T:3000-4000,U:60000-" QUITTING! Host is up (0.00021s latency). Host is up (0.000057s latency). Host is up (-0.10s latency). Host is up (0.000051s latency).

Search TCP and UDP Port Number database compiled from many different sources, including Microsoft, VMWare, Citrix, Oracle, etc.

Port Authority Edition – Internet Vulnerability Profiling by Steve Gibson, Gibson Research Corporation.