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VPN-1/FireWall-1 Virtual System Extension (VSX) is a security and VPN solution, designed to meet the demands of large-scale environments. Centrally managed and incorporating key network resources internally, VSX allows businesses…
Installed Checkpoint R77.20 in virtual machine to do testing. The installation of gateway and mgmt server is not having problem, but had an issue while installing SmartConsole R77.20 on windows…
One day when pushing firewall policy from Checkpoint management server to UTM 272 cluster gateways, it failed and I got error message “Load on module failed – no memory” on…
1. Checkpoint configuration a. Set up Checkpoint Gateway IPv4 address as the peer address showing in the cisco router. b. Create a new Interoperable Device for Cisco Router c. ISAKMP…
Checkpoint Firewall Appliances are using Logical Volume Manager (LVM) Sometimes, the logic volume do not have enough size to perform your operations. Checkpoint Expert Mode have some commands to modify…
After upgraded ESXi to 5.5, some VMs got following screenshot error when tried to edit the configuration. “You cannot use the vSphere Client to edit the settings of virtual machines…
OpenWrt is a Linux distribution for embedded devices and provides a fully writable filesystem with package management. Also for me, it is perfect for running OpenWRT as a small router…
Traffic flow for Active mode and Passive mode: 1. Active FTP : command : client >1023 -> server 21 data : client >1023 <- server 20Running ftp command from client…
Just found my Cisco 1921 has same problem on ports 2002, 4002, 6002 and 9002, as described on this post. Symptoms: Some Cisco Cisco Routers (1900/2900 Series) are answering to…
Tripwire Enterprise is a security configuration management suite whose Policy Management, Integrity Management, and Remediation Management capabilities stand-alone or work together in a comprehensive, tightly integrated SCM solution. Five Key…
1. Juniper Firewall find . -type f -size +10000 -exec ls -lh {} ; Sample output: root@FW% find . -type f -size +10000 -exec ls -lh {} ; -rw-r–r– 1…
1. Topology a. Rack is from IOU v5. This lab will use seven routers to complete whole DMVPN configuration and test. b. network topology. It is drew from gliffy website…