cisco ngfw

Investment Protection and Development Options With the development and changes of the Enterprise, you can leverage the Scalable Cisco stack architecture to ensure the synchronous development of your LAN. Cisco provides the industry's most flexible, scalable, and manageable stacking architecture for the Catalyst 3500 XL series and the Catalyst 2900 XL series switches with gigabit performance. You can create

VLAN database is configured, you must enter exit to save it;VLAN troubleshooting: physical connection> Switch configuration> VLAN configuration;Physical connections include CDP and duplex;The Trunk is a link between two vswitches;802.1 p: Priority of the 802.1qTAG field;Tunnel requires two tags: one for the enterprise and one for the carrier. The carrier can transmit VLAN, CDP, VTP, STP, and other information;Native VLAN is unique to 802.1q. It is vlan 1 and is used to manage VLANs;ISL will als

Configuration mode for Cisco routers Configuration mode Prompt Enter command Description User mode Route> User mode is the default mode when the router starts, provides limited access to the router, allows for non-destructive operations such as viewing the configuration parameters of the router, testing the connectivity of the router, etc., but cannot make any changes to the router configurati

The advantages of configuring registers in Cisco routes are of great interest to you. Before giving you a detailed introduction to the advantages of configuring registers in a Cisco Route, let's first take a look at the basic process of configuring registers and then compare the advantages and disadvantages of the following methods. All Cisco router devices have

It is very useful to know some basic configuration statements about Cisco routers. The configuration can ensure the security and performance of our networks. Here we mainly analyze the basic configuration statements of Cisco routers. Cisco router basic configuration DDR:Router (config) # dialer-list Group-Number protocol Protocol-Type permit [list ACL-Number]Rout

Release date:Updated on: Affected Systems:Cisco SA540 2.1.18Cisco SA520W 2.1.18Unaffected system:Cisco SA540 2.1.19Cisco SA520W 2.1.19Description:--------------------------------------------------------------------------------Bugtraq id: 48810Cve id: CVE-2011-2547 Cisco SA 500 series security devices are integrated security solutions for small businesses with less than 100 employees. A remote command injection vulnerability exists in the implementatio

Release date:Updated on: Affected Systems:Cisco IOS 15.xCisco ios xe 3.xUnaffected system:Cisco IOS 15.1 SGCisco IOS 15.0SACisco ios xe 3.6.0SCisco ios xe 3.2.xSGDescription:--------------------------------------------------------------------------------Bugtraq id: 52755Cve id: CVE-2012-0384 Cisco's Internet Operating System (IOS) is a complex operating system optimized for Internet connection. When Cisco IOS software uses AAA authorization, there is

Cisco IOS/ios xe SSHv2 body verification Bypass Vulnerability (CVE-2015-6280)Cisco IOS/ios xe SSHv2 body verification Bypass Vulnerability (CVE-2015-6280) Release date:Updated on:Affected Systems: Cisco IOSCisco IOS XE Description: CVE (CAN) ID: CVE-2015-6280Cisco IOS is an interconnected network operating system used on most

Cisco Jabber for Windows STARTTLS downgrade Vulnerability (CVE-2015-6409)Cisco Jabber for Windows STARTTLS downgrade Vulnerability (CVE-2015-6409) Release date:Updated on:Affected Systems: Cisco Jabber for Windows 11.1.xCisco Jabber for Windows 11.0.xCisco Jabber for Windows 10.6.x Description: CVE (CAN) ID: CVE-2015-6409Cisco Jabber for Windows is a Unified Com

Cisco switch setup tips: MAC address, Technology Square: settings and skills of two CISCO switches, mainly: Cisco switch setup skills to find the MAC address corresponding to the IP address, cisco switch setup tips: Find the port corresponding to the MAC address on the switch. In the middle of a

The Cisco router NAC solves the problem. The so-called NAC is an architecture that allows multiple hardware and software components to work together to protect the user's network from adverse client attacks. 1. It is not easy to fully implement NAC, because the entire architecture contains too many different components from other vendors. For example, the architecture contains the NAC Policy Manager and multiple network systems, authentication servers

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