There is a known issue with transferring big files (bigger than 1 Mb) from/to SecurePlatform firewall by Checkpoint. The file transfer fails with some error about buffers. The problem is that Checkpoint SPLAT comes with old opensshd daemon , which has a bug in it dated 2006 ( https://bugzilla.redhat …
It is worth mentioning that Cisco IOS routers can serve as CA servers as well. The example configurations are easy to find on the cisco.com (see link below). The only trick to know not stated in the documentation - when enrolling Cisco VPN client with IOS CA the syntax you …
One of the first things you do when checking connectivity issues on the Checkpoint (or any networking gear for that matter) is to see speed and duplex parameters of the interfaces. But have you tried to do it on a firewall with 15-20 interfaces ? No fun entering one by one …
After years with Checkpoint products I came to conclusion that if you don't have logical explanation why something doesn't work, it is most probably license issue. My client stopped getting emails behind UTM-132 at some remote branch . Doing the basics - telnet to port 25 (Checkpoint answered as it should), Exchange …
It was predictable thing for Fortinet to do as everyone else has already been doing so. I haven’t verified myself but according to the informed source (can only say his name - Hen) they are using Maxmind database . So let’s see how to do it . First you create in …
Running diagnose sniffer packet on Fortinet Fortigate unit outputs human-readable packet information and packet data . Only that sometimes you would like to have the traffic sniffed at Fortigate in Wireshark-readable format so that it can be analyzed by all powerful Wireshark. For this case Fortinet came up with the script …
As I mentioned before once you export firewall logs into human-readable format you can do lots of interesting things - for example script that gives statistics of how many times each Security rule was hit . Be aware that this counts explicit Security rules only - i.e. the ones you see in …
Time-based access-lists in Cisco world are available since ... last century for sure. But is it possible that Linux doesn't have anything like that ? No way - of course it can do and do it better. Here is how . Access control based on time of the day is available via pam module …
It is hard to argue that logs are as good as correct they are. And correct timestamps of the logs are crucial to this. Internal clock is prone to drifting with time, in my experience I've seen some UTM appliances to drift as much as 40 minutes in just one …
Q. How do I see available interfaces, errors on them , IP addresses . Q. How do I see routing table of the firewall. Q. How do I see duplex, speed, physical link status of the interface . Q. How do I manually set duplex, speed, autonegotiation settings of an interface. Q. How …