IDSM-2 The IDSM-2 Module is a Cisco IDS blade for the Cisco 6500 switch.Once you install the module into the switch the module uses following logical ports : Port 1 Used for TCP Resets (In Promiscuous Mode) Port 2 Command and Control Port 7 Sensing Port Port 8 Sensing Port Below details the steps required … Read more
There are a number of reasons or circumstances where you may need to rebuild your Cisco IDS. Rebuilding refers to the reinstallation of the application software. This will tho mean that all of your configuration changes will be wiped, apart from your management configuration when reimaging your sensor via the CLI. There are 3 ways … Read more
Digital Signatures A Digital Signature is a method to ensure data authenticity. A digital signature is created by generating a hash (message digest) against the data and then encrypting this digest using the cryptography (public or private) key. This signature is then appended to the data. Once the recipient has received the data + signature … Read more
By default VSFTPD does not allow the browsing of symbolic links. When you try to browse sym links you will get a message saying, 550 Failed to change directory In order to overcome this you can use the mount command. Here are the steps : [root@server ftpuser]# pwd/home/ftpuser[root@server ftpuser]# mkdir NEW_DIR[root@server ftpuser]# mount –bind … Read more
This article provides the steps required for restoring a CS-MARS configuration (incidents, events, configuration etc) to another CS-MARS device whilst maintaining the devices original IP settings. The following steps are based on restoring the an archive from a device which is the same model and is also running the same software version. NFS Ensure that … Read more
The prompt state command was introduced within 7.1. This short example shows you how to configure your ASA to include the cluster state within its name : cisco-firewall# config t cisco-firewall (config)# prompt hostname state cisco-firewall/act(config)#
Each Syslog message contains a priority value. The priority value is enclosed within the characters < >. The priority value can be between 0 and 191 and consists of a Facility value and a Level value. Facility being the type of message, such as a kernel or mail message. And level being a severity level … Read more
When installing Oracle 11g on Fedora 13 you may get the following error : Error in invoking target ‘agent nmb nmo nmhs tclexec’ of makefile ‘/u01/app/oracle/product/11.1.0/db_1/sysman/lib/ins_emagent.mk Solution Within the file detailed in the error edit it and find the line that reads ‘$(MK_EMAGENT_NMECTL)’ change this to ‘$(MK_EMAGENT_NMECTL) -lnnz11’ Note : edit this file while … Read more
Below shows you how to install GNS3 onto Fedora 13. GNS is a Graphical Network Simulator allowing you to build virtual Cisco networks. yum -y install PyQt4 wget telnet qemu xtermcd ~wget http://downloads.sourceforge.net/gns-3/GNS3-0.7.2-src.zip?downloadunzip GNS3-0.7.2-src.zip && rm -f GNS3-0.7.2-src.zipmv GNS3-0.7.2-src /opt/GNS3cd /opt/GNS3mkdir Dynamipsmkdir IOSmkdir Projectmkdir Cachemkdir tmpchmod o+rw -R ./Projectchmod o+rw -R ./tmpcd Dynamipswget chmod +x … Read more
Below shows the configuration for one side of a Site to Site VPN between 2 Cisco routers using pre-shared keys. router(config)# crypto isakmp enable Phase 1 router(config)# crypto isakmp policy 10 router(config-isakmp)# authenticaton pre-share router(config-isakmp)# encryption [?] router(config-isakmp)# group [?] router(config-isakmp)# hash [?] router(config-isakmp)# lifetime 86400 router(config)# crypto isakmp identity address router(config)# cryption isakmp [key] … Read more