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(config) #no monitor session 1Switch (config) #endSwitch#wrSwitch#show MonitorNo SPAN configuration is present in the system.3. Other(1) Port image filtering, port mirroring can do filter.Monitor session session_number Filter VLAN Vlan-id [, |-]* * Specifies which VLANs belong to the traffic that the source port is entering, and can be emitted from the destination port.(2) Delete imageNo monitor session {Session_number | all | local | remote}**SESSIO
Cisco device configuration files are backed up regularlyI. Needs and coping strategiesIDC machine Room Several switches and firewall equipment, because of business needs, often on the switch or firewall to modify the configuration file, although the
focus is whether this (a series of) packets should be passed, through the network will cause harm.
2. Different fundamental purposes
The fundamental purpose of routers is to keep the network and data "through".
The fundamental purpose of a firewall is to ensure that any packets that are not allowed are "not".
Ii. Differences in Core technology
Cisco router core ACL list is based on simple packet filte
whether the data packets (a series) should pass through and whether they will cause harm to the network.
2. Different fundamental purposes
The fundamental goal of a vro is to keep the network and data accessible ".
The fundamental purpose of the firewall is to ensure that any non-permitted data packets are "inaccessible ".
Ii. Differences in core technologies
The core ACL list of a Cisco router is based on
The zone-pair firewall divides the interface of the ios router into several regions, and the traffic between different regions cannot communicate. This is similar to the interface type of ASA! Pay attention to the following points:
1. confirm that the same security interface is divided into the same zone.
2. Use class-map to capture traffic between different zones and provide 3-7 layer traffic detection
ZB
, you can place public server facilities, such as Enterprise Web servers, FTP servers, and forums.
Lab environment:
Simulator: GNS3-0.8.6-Standalone-64-bit
Firewall IOs: Cisco PIX Security Appliance Software Version 7.2 (2) Quantity: 2
PC: Number of vpcs: Several
Router IOs: Cisco IOS software, c1700 software (C1700-BK9NO3R2SY7-M), version 12.3 (7) XR, release s
Today is boring. I haven't opened my job, and I don't know what to do. I haven't come to my blog for a long time. Let's take a look at it today. Ah. No updates in 10 months. Update it today. This article is actually written by someone else. I will paste it on my own wall by the way.
All previously used CISCO devices. It is still a bit unfamiliar with Huawei's firewall equipment. After receiving a command to
Firewall-based Easy VPN configuration process
Objective: To enable a client on the remote Internet to access internal resources of the LAN through an encrypted tunnel by making Easy VPN on the gateway ASA firewall device.The following figure shows the experiment topology. R1 is a router inside the lan. C1 connects to t
How to back up configuration files for Cisco, ruijie, And Juniper Devices
For a company of a certain scale, network device configuration file backup is also a task that cannot be ignored, to prevent one day after your network device fails, you can recover in the shortest time, reduces losses for the company.
The following describes the backup operations for sever
Yesterday the company bought a few Sonos wireless hifi equipment, beans need to test the effect.As a simple test, my structure is very simple, the router (firewall) comes out to pick up the Cisco switch, then boost and my controller (computer or phone) are on a VLAN, and then between boost and player through the grid wireless network connection between themselves.Routers-Switches-SONOS boost/controller-----
CiscoPIX firewall EzVPN configuration template surface 1 Define the address pool to which the VPN Client is allocated pix (config) # iplocalpoolezvpn-pool192.168.1.1-192.168.1.100pix (config) # iplocalpoolezvpn-pool2192.168.1.101-192.168.1.2002 define VPN group user properties pix (config) # vpngro
Cisco PIX Firewall E
1. Commands supported by the switch:Switch Basic Status:Switch:; Rom status, router is rommon>hostname>; user modehostname#; privileged modeHostname (config) #; global configuration modeHostname (CONFIG-IF) #; interface StateSwitch Password settings:switch>enable; Enter privileged modeSwitch#config terminal; Go to global configuration modeSwitch (config) #hostname, set the hostname of the switchSwitch (conf
is sent to a host using TCP or UCP protocol, the host must run a SYSLOG Program . There are third-party software in UNIX and windeow systems (kiwi Syslog daemon is good ).Refer to the configuration manual for Cisco PIX Firewall and VPN to configure syslog. You can set the log message sending method, such as email, send to a file, and send to a workstation.Follow
Device Model: Cisco PIX 515eStatus Quo and requirements: The network is located in the enterprise intranet, and the IP addresses have been uniformly allocated to each device. For simplicity, set the firewall to the Bridge Mode. external devices can only access two servers in the network, and all internal settings can access external devices.Procedure:1. Hardware connection (omitted)2. Use wondows's own Supe
The choice of high-grade complete network security equipment is every successful enterprise essential networking facilities, but in fact there are threats in more networks coming from within the enterprise, so it's not enough to just protect the boundaries of network formation, and building an integrated, multi-level security architecture can provide more thorough and practical protection, To improve the internal security awareness of enterprises is to solve the enterprise network security.
Int
First, the scene description:Ready to debug the firewall in the room, due to the site configuration is more troublesome, so decided to first debug to be able to pass the core exchange below a springboard machine can be accessed after remote debugging.Second, topology diagram:The topology is as follows: The outer network is accessed through the direction of the Arrow 1 to the Springboard machine pointed to b
Test environment:
Cisco Router Intranet interface F0/1:192.168.1.1 255.255.255.0
External network Interface f0/0:10.0.0.1 255.255.255.0
Server ip:192.168.1.100
First configure on the router:
Router>en #进入特权模式
router#conf T #进入全局配置模式
Enter configuration commands, one per line. End With cntl/z.
Router (config) #access-list 1 permit 192.168.1.0 0.0.0.255 #建立访问控制列表准备做nat转换
Router (config) #ip nat ins
This document describes the IPSec configuration between the router and the Cisco firewall. The traffic between the headquarters and the branch office uses the private IP address, when the branch's local area network user accesses the Internet, needs to carry on the address conversion.
Network topology
Configuration
Route 0.0.0.0 0.0.0.0 192.168.1.254Configure the back packet routing on the firewall to the next hop 192.168.1.1Route inside 10.1.1.0 255.255.255.0 192.168.1.1 to go to the network segmentRoute inside 10.2.2.0 255.255.255.0 192.168.1.1 to go to the network segmentDisplay IP route table View routing tablesShow Route View ASA FirewallValidation, testingIf you have access to an external network FTP
Step 1 of the configuration of the EZVPNserver of the PIX Firewall, configure NAT1 and NAT0. The traffic of NAT0 is VPN traffic. Pixfirewall (config) # nat (inside) 110.2.2.020.255.0pixfirewall (config) # global (outside) 1 interfacepixfirewall (config) # access-listvpnpermitip
Step 1 of the EZVPN server configuration of the PIX
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