You can do a port scan on all hosts that you check or just an individual host.
您可以对所检查的所有主机、或者单个主机进行端口扫描。
The simplest form of a TCP port scan is to open a connection to all ports on a host.
TCP端口扫描的最简单形式是打开一个到主机所有端口的连接。
Source enthusiasts Note: If you set a wide range of port scan, the program may be suspended animation.
源码爱好者注：如果设定的端口扫描范围较宽的话，程序可能出现假死。
As described earlier, a single pass of either the host or port scanning information is only useful for the instant in time when the scan was executed.
如前所述，如果只进行一次扫描，那么主机或者端口扫描信息仅在执行该次扫描的时候是有用的。
The full text explain in detail with principle of the TCP connection, principle of the WINSOCK, the basic principle of the port scan and the scan method .
全文对TCP建立连接的原理，WINSOCK原理，端口扫描技术的基本原理和扫描方式都进行了比较详细的介绍。
An easy way to ensure that each of your realservers is properly listening on the HTTP port (80) is to use an external system and perform a scan.
确保每个realserver都正常地侦听http端口(80)的一个简单方法是，使用外部系统并执行扫描。
It can scan proxy servers in special IP and port ranges as well.
该软件可以扫描特定ip地址和端口范围的代理服务器。
In this system, two single chip computers communicate with each other through dual port SRAM to realize high speed picture and work for display scan and graphic process respectively.
该系统采用两片单片机分别负责显示扫描和图形变换，两者通过双口sram连接，实现高速图形显示。
Joint test Action Group designed a common chip boundary-scan structure and test access port criterion which is called JTAG standard to support testing on-board chip or logic.
为支持板上芯片或逻辑的测试，联合测试行动小组专门设计和定义了一种通用的芯片边界扫描结构及其测试访问端口规范，称为JTAG标准。
The system adopts serial port to connect barcode gun with server to scan refrigerator bar and pump bar which is matched with refrigerator bar.
系统采用串口连接条码枪来扫描冰箱条码和抽空计条码进行配对操作。
The system adopts serial port to connect barcode gun with server to scan refrigerator bar and pump bar which is matched with refrigerator bar.
系统采用串口连接条码枪来扫描冰箱条码和抽空计条码进行配对操作。
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