Very often we have situation when we want to hide some emails that we are not ready to delete yet. Then we have a solution…
Posts tagged as “Security”
You must be aware that changing passwords from time to time is essential with regards to security. Open wireless networks are very unsafe, and hijackers…
Introduction Security is becoming an escalation issue in the increasing technology world. The advent of the Web through which individuals and organizations can share information…
Given that Ethernet cables are everywhere and use for all kinds of links and it is assumed they are physically guarded, hence typical installations do not leverage any "secure" mechanisms.
Let's say despite having added "ph...
I wanted to understand how does the Sourcefire NGIPS understand which application has initiated the traffic. I am aware that the protocol is learned from the ports, but, how does it determine that so and so application has in...
I have here a dilemma. I have a device that communicates to another remote device but there is a firewall between them. It's a UDP connection, so TCP utilities don't work to test if the specific port is open. I know that we c...
I found out our DMZ zone is not as secure as it should be.
We use NAT to translate internet services from DMZ to internet.
We have some developers out of organization. Some of them connect via client-to-client tunnel to spec...
I was reading about Smurf Attacks and how Smurf Amplifier Registry keeps track of servers used for amplifying the attack, then I wondered, can a request coming from anywhere broadcast it to all parts on a network?
For exampl...
I'm focusing currently on the "Unknown Unicast Flooding", and the proposed solutions from Cisco.
I really need deep information about:
Cisco Blocking Unknown Unicast Flooding (UUFB)
Unknown Unicast Flood Rate-limiting (UUF...
Normally we are facing abnormal traffic targeting specific servers. My question is How can I know which private IP address is targeted since we are using Dynamic NAT on Cisco ASA 5508 Firewall?
Regards