There is a CLI in checkpoint and we need to now bacics for some certain situations like restoring policy if we pushed some wrong one and management server cannot communicate with gateway. Or we would like to check the linux related stuff on the appliance like arp, ifconfig, routing. There are also some checkpoint commands Full Article…
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Site to Site VPNs
I know how the VPN works. There is IKE phase 1,2. In phase one there is HAGLE going on. In phase two HAGLE but HA is same, becasue (message + password) x hash is used for authentication and integrity check. Configuration of VPNs under checkpoint is very easy. In checkpoint there is some nomenclatures: vpn Full Article…
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Backup and Recovery
We have lot of options for backups in checkpoint. Check the screen above. There is: DB Version – when we pushed out the policy we had option to create the backup of database. Inside of database are objects and policy. Backup – We already did this type of backup in the CLI. This includes the Full Article…
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Smart Update
Imagine you are working for company which has many checkpoint gateways and their licensing vary for each of them. In some point these licenses are going to expire and you have to restore them and manage them remotely. You also would like to perform remote upgrades, patches and hot fixes of your devices. And for Full Article…
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Remote access VPNs & additional CheckPoint features
To repeat the remote access VPN can be clientless and clientfull. Clientless is via ssl portal. From there client can access the most important resources via applets installed in the portal. If client want to use the clientfull VPN he has to have the client installed. He can download the client from the ssl portal. Full Article…
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LTM essentials
LTM is shiped with OS, you dont need to install it. It has also preconfigured IP address. However you need to active license. License reactivation must be done also after upgrades. LTM does not have pre configured default route. Initial setup consist of couple of steps depending what I need to setup. Basically it is: Full Article…
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LTM Essentials – LAB
Most important stuff from the LAB are as follows: floating IP address is the shared IP between F5 cluster tried that setup utility but dont know if I gonna use it ever again backups are easy to handle Tmos seems to be very good. From root you can execute tmos commands via „tmsh list /net Full Article…
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Processing the traffic
Basic terminology NODE = Real IP address of server Pool Member = Real IP address + Port Pool = Grouping of pool members Pool members do not have to listen on the same port. They can be on same IP address and diferent port number. Virtual Server = IP adress + port often called a Full Article…
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Load Balancing
BIG-IP LTM offers a many load balancing methods to choose from: Static – these methods do no take into consideration the server performance Round robin Ratio Dynamic – take into consideration server performance Least connections Fastest Observed Predictive Dynamic ratio It is important to note that LB distributes the request on available servers only. Server Full Article…
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Monitors
BIG-IP LTM can check status and health of the members and nodes to assure it doesn’t send the client request to non operational server. Monitor is a test BIG-IP performs on a node or member. The monitor can be as simple as ping or more advanced like sending L7 requests with appropriate responses. A monitor Full Article…
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