cisco valet

This article describes in detail how to set the default settings for Cisco routers in terms of security analysis, specific measures, and default settings. I believe this article will help you. Security Analysis Readers who have experience configuring routers should know that network administrators often set access control lists on routers or switches to prevent viruses and hackers. By default, the "deny any" statement is added to the access control li

Do you know why Cisco IOS provides 16 permission levels with different commands? Many network administrators who work in the Cisco IOS environment have never bothered to consider the meaning of their use of permission levels or these levels. this article describes the IOS access permissions for CISCO routers in detail. When you enter different permission levels i

Cisco IOS DoS Vulnerability (CVE-2016-1478)Cisco IOS DoS Vulnerability (CVE-2016-1478) Release date:Updated on:Affected Systems: Cisco IOS 15.6 (2) T1Cisco IOS 15.6 (2) S1Cisco IOS 15.6 (1) S2Cisco IOS 15.5 (3) S3 Description: CVE (CAN) ID: CVE-2016-1478Cisco IOS is an interconnected network operating system used on most

Cisco TelePresence Server Denial of Service Vulnerability (CVE-2015-6312)Cisco TelePresence Server Denial of Service Vulnerability (CVE-2015-6312) Release date:Updated on:Affected Systems: Cisco TelePresence service 3.1 Description: CVE (CAN) ID: CVE-2015-6312Cisco TelePresence is a Cisco TelePresence solution.Ci

Cisco IOS Software RADIUS client Denial of Service Vulnerability (CVE-2015-6263)Cisco IOS Software RADIUS client Denial of Service Vulnerability (CVE-2015-6263) Release date:Updated on:Affected Systems: Cisco IOS 15.4 (3) M2.2 Description: CVE (CAN) ID: CVE-2015-6263Cisco IOS is an interconnected network operating system used on most

Release date:Updated on: Affected Systems:Cisco Prime Infrastructure 2.0Cisco Prime Infrastructure 1.4Cisco Prime Infrastructure 1.3Cisco Prime Infrastructure 1.2Description:--------------------------------------------------------------------------------Bugtraq id: 65816CVE (CAN) ID: CVE-2014-0679 Cisco Prime Infrastructure is a solution for wireless management through Cisco technology LMS and NCS.

Ii. PPP 　 PPP (Point-to-Point Protocol) is the successor of SLIP (Serial Line IP protocol). It provides a router-to-router over synchronous and asynchronous circuits) and host-to-network. CHAP (Challenge Handshake Authentication Protocol) and PAP (Password Authentication Protocol) are generally used to provide security Authentication on PPP encapsulated serial lines. With CHAP and PAP authentication, each vro is identified by its name to prevent unauthorized access. CHAP and PAP are detailed in

Many network administrators working on Cisco IOS have never bothered to consider the level of permissions they are using or the meaning of these levels. However, Cisco IOS actually has sixteen different permission levels. David Davis discusses these different levels and describes the main commands needed to configure these permissions.Do you know why Cisco IOS pr

Cisco routers play a very important role in the routing industry, and there are also a lot of user groups. It is very important to understand some Cisco router security configurations. Currently, most enterprises and departments connect to the Internet. Generally, a router is connected to an ISP. This router serves as a bridge between the external Internet and the internal network. If this router can proper

It is still difficult for general users to implement effective Cisco router nat configuration. So I have studied the comprehensive knowledge about Cisco router nat configuration and will share it with you here, I hope it will be useful to you. 1. NAT introduction: NATNetwork Address Translation) Network Address Translation first appeared in Cisco 11.2 IOS. It is

This article mainly gives you a detailed introduction of how Cisco VN-LINK network service settings, and for Cisco VN-LINK to give a detailed introduction, I believe you have read this article will be helpful to you. Introduction When companies invest in server virtualization to achieve integration, they also need to meet the needs of resource flexibility, high availability and energy efficiency. Virtual Ma

We know that there are four types of firewalls: integrated firewall capabilities of the router, integrated firewall capabilities of the proxy server, a dedicated software firewall and dedicated hardware and software combined with the firewall. Cisco's firewall solution includes the first and fourth of the four types: the integrated firewall feature router and the dedicated hardware and software combination firewall. One, integrated in the router's firewall technology 1. ACL technology in route

Three attack methods bypass Cisco TACACS + Original article: 3 attacks on cisco tacacs bypassing In this article, the author introduces three methods to bypass TACACS on Cisco devices.No.1 DoS attacks bypass Cisco TACACS + No. 2 Local cracking PSK bypass Cisco TACACS + No. 3

The following are the modules supported by vswitch 4500: WS-F4531-Cisco Catalyst 4500 NetFlow service daughter WS-X4148-FE-LX-MT-Cisco Catalyst 4500 Fast Ethernet Switching Module, 48 Port 100BASE-LX10 Single-Mode Optical Fiber SMF) MT-RJ) WS-X4148-FX-MT-Cisco Catalyst 4500 Fast Ethernet Switching Module, 48 Port 100BASE-FX multimode fiber MMF) MT-RJ) WS-X4148-RJ

The market demand for Huawei routers and CISCO routers is very high. So I studied the differences between the configurations of Huawei routers and CISCO routers. I would like to share with you here, hoping to help you. The features and configuration interfaces of Huawei routers and CISCO routers of the same grade are exactly the same, and some of them have also b

Different types of switches use different module design methods. as a leader in the switch industry, the performance of Cisco switch modules is still very good and has been recognized by many people. Cisco switch module adaptive 1/2 Gbps interface: provides high-performance connections and is compatible with existing devices. The highest-performance inter-switch link (ISL) in the industry: A PortChannel sup

The original Article is from BlackSun. It is translated in sleep hours. This is a very good article and I am very happy to share it with you! Warning: Do not use this to damage the cisco system or access the system illegally. This article is for the purpose of learning. It can only be used for legal actions and cannot damage any system. This article will show you step by step how to use the discovered defects to obtain illegal access. If you break int

DHCP server. The Debug DHCPC command provides error-correcting tools for the boot DHCP client feature. The PIX firewall commands that are used to implement the DHCP client are described in the IP Address command page and the Debug command page of the Cisco PIX Firewall Command Reference. Please see these command pages for specific information.Note the IP address of the external interface required by DHCP can also be used as the PAT Global address. Th

CISCO PT Simulation Experiment (14) router configuration for OSPF dynamic routingExperimental Purpose :Mastering the configuration method of OSPF dynamic route selection protocolMastering the OSPF route description in the routing tableFamiliar with the principle and process of routing and packet forwardingExperimental Background : The company connects to the egress router of the enterprise network through a three-layer switch, and the router is connec

Cisco 2960 Switch Configuration1. Cisco Working mode classification and function#用户模式仅答应基本的监测命令, the configuration of the router cannot be changed in this mode.Switch> #用户模式#允许用户执行所有的测试, view, save and other commands, this mode can not be modified router configuration, generally this mode is recommended to set password protection.Switch>enable #进入特权模式switch##允许用户配置路由器.switch#Configure terminal #进入全局模式Sw