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Tacacs+ Install and Config Guide What is TACACS As per wikipedia Terminal access controller access control system (TACACS) is a remote authentication protocol that is used to communicate with an authentication server commonly used in UNIX networks. TACACS allows a remote access server to communicate with an authentication server in order to determine if the user has access to the network. Installing Tacacs on FreeBSD This guide is intended to be a basic implementation of TACACS+, so although there are may features I am just going to document what I generally use. Please note that tac_plus is also available from Shrubbery Networks if you would like to install and configure on another platform. You may also want to check out my Rancid How-To Once again its in your ports directory. cd to /usr/ports/net/tac_plus4/ run a "make install clean" Once installed vi /usr/local/etc/rc.d/tac_plus.sh Then Change the following line from NO to YES tac_plus_enable=$ Save the file, then vi /e...

Setting up and Installing Rancid on FreeBSD for Cisco Products What is Rancid? Rancid is an application that monitors a devices configuration including software and hardware. The configuration is then stored in a Concurrent Version System or CVS. Most of the time it is used to back up router, switch and firewall configurations, as well as notify you when a configuration has changed, i.e a firewall rule or a routers IP address or access list change. here is an example of the output =================================================================== retrieving revision 1.29 diff -u -4 -r1.29 mpls-jhb-pe1 @@ -288,9 +288,9 @@ ! interface Serial0/0 description Link to Client X bandwidth 2048 - ip address 192.168.1.244 255.255.255.254 + ip address 192.168.1.234 255.255.255.254 ip route-cache flow ip tcp header-compression iphc-format ip tcp compression-connections 256 ! ip ospf message-digest-key 1 md5 the - symbol represents what was removed the + symbol represents what was added The abo...