Network technologies and trends:

IPsec

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February 11, 2016  8:14 PM

Cisco ASA Firewalls can be exploited by sending crafted UDP packets

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Cisco ASA, firewall, IPsec, IPsec VPN, LAN, UDP, vulnerabilities

Yesterday I received an email from Cisco Security Advisories about the critical vulnerability related IKE version 1 and IKE version 2 code of ASA Software which could empower an unauthenticated remote attacker to reload or even execute a code remotely on a affected ASA firewall.

December 28, 2015  4:12 AM

How to configure Site-to-Site IPSec VPN on Cisco Routers? – Series 2

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ACL, Cisco, CRYPTO, IPsec, VPN

In my previous post we talked briefly about IPSec. We will be using the below topology for our set up. 0 Comments     RSS Feed     Email a friend


December 27, 2015  5:26 PM

How to configure Site-to-Site IPSec VPN on Cisco Routers? – Series 1

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ACL, Cisco, Cisco Routers, IPsec, IPsec VPN, Topology, VPN

IPSec is the protocol one can use to establish a Site-to-Site VPN , as it is widely used because its an open standard protocol which offers secure and encrypted communication over the public internet domain. IPSec works at Network later and only pass unicast traffic. I will brief you all about how...


September 3, 2015  5:43 AM

Palo Alto Network Firewall Architecture – Know how

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
firewall, IPsec, NAT, Palo Alto Networks, SSL

Palo Alto takes a good approach in designing the architecture for their next generation firewalls. Palo Alto offers processors dedicated to security function that work in parallel. Palo Alto firewall contains separate Control Plane and Data Plane. By separating them Palo Alto is ensuring that...


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