Today i am posting the video showing how to configure Dynamic Virtual Tunnel Interface (DVTI) on Cisco IOS router. DVTI for remote access has been available for a long time already and actually comes to gradually replace the old way of dynamic crypto maps, but as always people are hard …
User actions accountability is one of the building blocks of Non-repudiation in Security. In Checkpoint , nevertheless, the default (and widely used) user authentication for SSH and WEBGui sessions is local. Actually Checkpoint thought about that long ago and have been offering Radius authentication for users accessing the SecurePlatform and Gaia …
You never know where your router may end up . It may be RMA'ed without proper wiping the configuration first, it may be plain simple stolen. In any of these or other unfortunate cases the last thing you would want is for the attacker get passwords or other security information stored …
Today a colleague of mine asked if I had a ready-to-use template to schedule a reload of Cisco IOS router . - "Of course, piece of cake, there should be millions of hits on it in Google" , was my thought. So, after 30 minutes of searching the mighty Google and being surprised …
SNMP version 3 has been with us for so many years but so very few Checkpoint folks use it that I decided to do this screencast/video showing how to enable and use SNMP v3 in Checkpoint firewall. NOTE - the language of narration is Hebrew . http://vimeo.com/22473169 Follow …
Today I'll bring you two tips to secure SSH access to the Checkpoint firewall/Linux server beyond firewall rules itself. SSH access is the most powerful way to own the firewall so it should be secured to the paranoid level and even then it is never enough. Tip 1 Change …
As I said already ( here and here ) for gathering Netflow data, especially with security in mind, I deem Nfsen/nfdump to be the best. And with some easy 2-minutes tweaking I can always make it do exactly what I want. By default when you configure Cisco to export both ingress …
NMAP is probably the most known long standing and community involved security-related project in the Open Source universe ever. And it is quite naturally to think that there is nothing left to be done to improve it by end users like us, and of course the opposite is the case …
I love cheat sheets. Once I learn some product or technology to the level of understanding how it works I find the cheat sheets with all the options to run it and keep it handy. In case of the Checkpoint firewalls such cheat sheets are pretty much absent so I …
Anything connected to the Internet will be hacked in someday and RSA is no exception.The open letter is here RSA Open Letter, but more interesting are best practices published in response to the attack. Follow me on https://www.linkedin.com/in/yurislobodyanyuk/ not to miss what I publish …