摘要：【中文】本发明实施例提供一种入侵防御规则动态调整方法及装置，所述方法包括：获取主机当前开启的网络服务端口，根据主机当前开启的网络服务端口，获取每种网络服务端口下开启的子服务端口，并根据每种网络服务端口下开启的子服务端口，加载与所述开启的子服务端口匹配的IPS防护规则。本发明实施例由于根据主机当前开启的网络服务端口以及根据每种网络服务端口下开启的子服务端口，加载与开启的子服务端口匹配的IPS防护规则，从而能够只加载跟主机当前开启的网络服务匹配的IPS防护规则，而不必加载全部的IPS防护规则，从而可以解决IPS进程启动慢以及启动持续占用CPU内存高的问题，进而可以加快数据包匹配速度。 【EN】The embodiment of the invention provides a method and a device for dynamically adjusting intrusion prevention rules, wherein the method comprises the following steps: the method comprises the steps of obtaining a network service port currently opened by a host, obtaining sub-service ports opened under each type of network service port according to the network service port currently opened by the host, and loading IPS protection rules matched with the opened sub-service ports according to the sub-service ports opened under each type of network service port. According to the embodiment of the invention, the IPS protection rule matched with the opened sub-service port is loaded according to the network service port opened by the host computer at present and the sub-service port opened under each network service port, so that only the IPS protection rule matched with the network service opened by the host computer at present can be loaded, and all IPS protection rules do not need to be loaded, thereby solving the problems that the IPS process is slow to start and the CPU memory is high in continuous occupation during starting, and further accelerating the data packet matching speed.

摘要：【中文】本发明实施例提供一种虚拟机数据泄露检测方法及装置，所述方法包括：在虚拟机中写入用于区分虚拟机已存储数据的特征码，并关闭所述虚拟机；获取主机的物理磁盘数据，检测所述物理磁盘数据，并根据检测结果是否包含所述特征码，确定所述虚拟机中的数据是否泄露。所述装置执行上述方法。本发明实施例提供的方法及装置，通过在虚拟机中写入特征码，并关闭虚拟机，获取主机的物理磁盘数据，并检测该物理磁盘数据中是否包含有特征码，能够准确检测出虚拟机中的数据是否发生泄露，从而保证企业和个人的数据安全。 【EN】The embodiment of the invention provides a method and a device for detecting data leakage of a virtual machine, wherein the method comprises the following steps: writing feature codes for distinguishing stored data of the virtual machine into the virtual machine, and closing the virtual machine; and acquiring physical disk data of a host, detecting the physical disk data, and determining whether the data in the virtual machine is leaked or not according to whether the detection result contains the feature code or not. The device performs the above method. According to the method and the device provided by the embodiment of the invention, the characteristic code is written in the virtual machine, the virtual machine is closed, the physical disk data of the host is obtained, and whether the physical disk data contains the characteristic code or not is detected, so that whether the data in the virtual machine leaks or not can be accurately detected, and the data safety of enterprises and individuals is ensured.

摘要：【中文】本发明实施例提供一种防暴力破解方法及装置，其中，方法包括：从Linux‑PAM认证框架的可插拔认证模块PAM接收的登录认证请求中，获取远程登录服务器的IP地址；若所述远程登录服务器的IP地址不在预设白名单和预设黑名单内、且所述远程登录服务器的IP地址的登录失败计数超过预设登录失败阈值，则确定所述远程登录服务器的IP地址的登录属于暴力破解行为，PAM登录认证失败。本发明实施例能够基于Linux‑PAM认证框架，高效的获取暴力破解来源，实现针对Linux系统的防暴力破解，实现方式简单高效。 【EN】The embodiment of the invention provides a brute force cracking prevention method and a brute force cracking prevention device, wherein the method comprises the following steps: acquiring an IP address of a remote login server from a login authentication request received by a pluggable authentication module PAM of a Linux-PAM authentication framework; and if the IP address of the remote login server is not in a preset white list and a preset black list and the login failure count of the IP address of the remote login server exceeds a preset login failure threshold value, determining that the login of the IP address of the remote login server belongs to brute force cracking behaviors and PAM login authentication fails. The embodiment of the invention can efficiently obtain brute force cracking sources based on a Linux-PAM authentication framework, realizes brute force cracking prevention aiming at a Linux system, and has a simple and efficient implementation mode.

摘要：【中文】本发明属于天线领域，公开了一种简便GNSS测量天线、导航定位系统，包括层叠设置的屏蔽盖和PCB板，PCB板上的中空结构的介质层；第一金属层和第二金属层分别设置在介质层的下表面和上表面；第三金属层，设置在介质层的上表面；频率合成点，通过通孔贯穿整个介质层以连接第一金属层和第二金属层；馈电探针，穿过介质层和空气层，连接第三金属层和PCB板上的网络。介质层的周边设置有金属化齿状圆环，金属化齿状圆环与PCB板相连接，所述金属化齿状圆环与第一金属层和第二金属层同心且共形。本发明通过在不降低天线性能的情况下，用中空的单层介质实现了双频的性能要求，大幅降低了天线的剖面，减轻了天线重量，节约了成本。 【EN】The invention belongs to the field of antennas, and discloses a simple GNSS measuring antenna and a navigation positioning system, which comprise a shielding cover and a PCB board which are arranged in a stacked manner, and a dielectric layer with a hollow structure on the PCB board; the first metal layer and the second metal layer are respectively arranged on the lower surface and the upper surface of the dielectric layer; the third metal layer is arranged on the upper surface of the dielectric layer; the frequency synthesis point penetrates through the whole dielectric layer through the through hole to connect the first metal layer and the second metal layer; and the feed probe penetrates through the dielectric layer and the air layer and is connected with the third metal layer and the network on the PCB. The periphery of the dielectric layer is provided with a metalized toothed ring, the metalized toothed ring is connected with the PCB, and the metalized toothed ring is concentric and conformal with the first metal layer and the second metal layer. The invention realizes the performance requirement of double frequency by using the hollow single-layer medium under the condition of not reducing the performance of the antenna, greatly reduces the section of the antenna, lightens the weight of the antenna and saves the cost.

摘要：【中文】本发明公开了一种波导活动卡件、波导贯穿装置及其安装波导的方法。所述波导活动卡件由两个紧固件对合而成，波导贯穿装置包括穿舱件和波导活动卡件，穿舱件固定在舱壁上，波导活动卡件与穿舱件固定连接。通过采用波导贯穿装置能够有效防止外部电磁干扰对舱室内设备产生的影响，也可有效地防止舱室内的设备泄漏出的电磁信号辐射到外部空间，能够有效地提高舱室的屏蔽效能。 【EN】The invention discloses a waveguide movable clamping piece, a waveguide penetrating device and a method for installing a waveguide. The waveguide movable clamping piece is formed by combining two fastening pieces, the waveguide penetrating device comprises a cabin penetrating piece and a waveguide movable clamping piece, the cabin penetrating piece is fixed on the cabin wall, and the waveguide movable clamping piece is fixedly connected with the cabin penetrating piece. The waveguide penetration device can effectively prevent external electromagnetic interference from influencing equipment in the cabin, and can also effectively prevent electromagnetic signals leaked by the equipment in the cabin from radiating to an external space, so that the shielding efficiency of the cabin can be effectively improved.

摘要：【中文】本发明涉及一种用于桥梁标准化的22m级先张法折线预应力双T梁，所述双T梁跨径不大于22m，所述双T梁为开口断面，包括顶板以及位于顶板下方的两个腹板，并在腹板位置设置预应力钢束，且全梁等截面，仅在梁端设置横隔板，跨内无横隔板；所述双T梁包括若干个梁型，所有梁型顶板厚相同；腹板顶宽为固定值；根据梁高的不同，调整梁内预应力钢束的数量，使之满足不同跨径的要求。本发明构造简单，且为开口断面，材料用量低，经济性好，施工便捷，施工难度小，预制质量好；腹板顶宽和顶板厚度为固定值，不同梁高主梁可采用相同的模板，仅需把模板中腹板下端部分区域填实；主梁构造模数化、标准化，有利于工业化生产，加快预制速度，降低成本。 【EN】The invention relates to a 22 m-grade pretensioning broken line prestressed double T-beam for bridge standardization, wherein the span diameter of the double T-beam is not more than 22m, the double T-beam is an open section and comprises a top plate and two webs positioned below the top plate, prestressed steel beams are arranged at the webs, the whole beam is of an equal section, a diaphragm plate is only arranged at the beam end, and no diaphragm plate exists in the span; the double T-shaped beam comprises a plurality of beam types, and top plates of all the beam types are the same in thickness; the top width of the web plate is a fixed value; according to the difference of the beam height, the number of the prestressed steel bundles in the beam is adjusted to meet the requirements of different spans. The invention has simple structure, an opening section, low material consumption, good economy, convenient construction, small construction difficulty and good prefabrication quality; the top width of the web plate and the thickness of the top plate are fixed values, main beams with different beam heights can adopt the same template, and only part of the lower end part of the web plate in the template needs to be filled; the modular and standardized construction of the main beam is favorable for industrial production, the prefabrication speed is increased, and the cost is reduced.

摘要：【中文】本发明公开了一种用于狭小空间的可伸缩式弯曲工具，包括油缸、弯曲块、两根支撑臂以及两根支撑杆；两根所述支撑臂分别固定在所述油缸的上端相对两侧，两根所述支撑杆分别固定在两根所述支撑臂上，所述弯曲块固定在所述油缸的下端，且在所述油缸伸缩时，所述弯曲块能够随着所述油缸的伸缩而移动到两根所述支撑杆的上方和下方。本发明体积小、重量轻、占用空间小，结构简单、操作方便，能快速、方便地在开关柜内等狭小空间对电缆各相进行自由弯曲。 【EN】The invention discloses a telescopic bending tool for a narrow space, which comprises an oil cylinder, a bending block, two supporting arms and two supporting rods, wherein the oil cylinder is arranged on the bending block; two the support arm is fixed respectively the relative both sides in upper end of hydro-cylinder, two the bracing piece is fixed respectively on two the support arm, crooked piece is fixed the lower extreme of hydro-cylinder, and when the hydro-cylinder was flexible, crooked piece can be along with the flexible two that move to of hydro-cylinder the top and the below of bracing piece. The invention has small volume, light weight, small occupied space, simple structure and convenient operation, and can quickly and conveniently freely bend each phase of the cable in narrow spaces such as a switch cabinet.