Checkpoint - Hide NAT vs Static NAT
This post tries to be a simple explanation of the Hide NAT and Static NAT concepts.
Given the following simple company network let’s see
checkpoint
Checkpoint - Reinstall SMS using configuration backup
Last week my smartcenter server became corrupted (the filesystem) and I could not install any fw policy (checkpoint software could not find some needed inodes)
Checkpoint - Proxy ARP for manual NAT on VSX
In my post Checkpoint – Automatic NAT vs Manual NAT I explained both types of NAT clarifying that the Manual NAT makes neccesary the Proxy ARP
Checkpoint – Nagios plugin to monitor ARP table in VSX
When suffering random network interruptions, a possible cause (and difficult to find) is our firewall ARP table overflow. In Checkpoint systems, the Linux kernel Gaia
Checkpoint - Nagios plugin to monitor VS active connections
Having our Checkpoint VSX Virtual System active connections under control can be very important to avoid problems, configure a higher connection limit, be ready for
Checkpoint - Schedule management database backup
The upgrade_tools (or the migrate command) is a powerful and simple tool that allows us to perform a backup of our Checkpoint database, objects,
Checkpoint - SNMP return 0 value when querying virtual systems
When trying to perform SNMP queries in an VSX environment, data related to virtual systems may be returned always as 0 value. By default, R77.
Checkpoint - Automatic NAT vs Manual NAT
NAT (Network Address Translation) can be configured in our Checkpoint FW in 2 two different ways: Manual or Automatic
Automatic NAT
To configure the automatic
Checkpoint VSX: Force VS failover
There are several reasons to force a failover on a firewall cluster (in this case a virtual system on a 2 node Checkpoint VSX cluster)