Network technologies and trends:

December, 2015


December 31, 2015  5:20 AM

What is Palo Alto Security Policy –  Intrazone rule ?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Business, DMZ, firewall, Palo Alto Networks, Security policy

When comes to Palo Alto Networks Firewalls, they work on the concept of zones not the security levels. They are no different when compared to other leading Firewall vendors. While designing the Network one must focus on number of zones the business is looking for and what kind of scalability the...

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...


December 27, 2015  5:03 AM

How to configure a Login Banner in Palo Alto Networks Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, application, Default route, Ethernet, Firewalls, HA, Interface, Layer 2, LAYER3, Loopback, Palo Alto Networks, Security policy, Services, Static route, tunnel, URL, Users, VLAN

When it comes to following the best practices for any Network Security Appliances, one should configure a Login Banner. Configuring a Login Banner in Palo Alto Networks Firewall is quite simple . Lets see how we can configure a login banner in Palo Alto Networks Firewall Step...


December 26, 2015  4:31 AM

What is Palo Alto Security Policy – Series 1?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, application, Default route, Ethernet, Firewalls, HA, Interface, Layer 2, LAYER3, Loopback, Palo Alto Networks, Security policy, Services, Static route, tunnel, URL, Users, VLAN, YouTube

Palo Alto Firewalls uses security policies to either allow or deny an access, Security Policies comprises of a list of security policy rules. Each Security policy rule comprises of objects  like


December 24, 2015  6:15 AM

How to configure a static route in Palo Alto Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, Default route, Ethernet, Firewalls, HA, Interface, Layer 2, LAYER3, Loopback, Palo Alto Networks, Static route, tunnel, VLAN

In one of my previous post we discussed about Palo Alto Networks Firewall Virtual Router , how it works and what kind of protocols its capable of supporting.  Configuring a static route in Palo...


December 20, 2015  4:49 AM

How to capture packets in Cisco VIRL?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Packet capture, Packet Sniffing, router, SSH, Telnet, Wireshark

With the introduction of Cisco VIRL 1.0.0,capturing the  traffic has become quite simpler. One can now directly click the link on a device and do a packet capture. , in this post lets see how we can capture the traffic in Cisco VIRL and analyse it. Step 1: Login in to VRIL server form your web...


December 18, 2015  6:34 PM

How to configure Cisco VIRL – VMMaestro to use external telnet and SSH Client?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
router, SSH, Telnet

Cisco VIRL comes with an internal SSH and Telnet client which is quite good and it opens all the SSH and telnet sessions within VMMaestro GUI, but if some one wants to use Secure CRT on  their MAC as external client, one can easily configure the changes in VIRL VMMaestro,


December 16, 2015  9:01 AM

What is Palo Alto Virtual Router?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, Ethernet, Firewalls, HA, Interface, Layer 2, LAYER3, Loopback, Palo Alto Networks, tunnel, VLAN

When it comes to routing traffic between different networks one needs a router. Palo Alto Networks Firewalls are capable of routing the traffic between networks. Palo Alto uses a concept of "Virtual Routers" to route the traffic be it static routing or dynamic routing. Virtual Router uses...


December 11, 2015  3:48 PM

Palo Alto Networks Firewalls – Management Profile

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, Ethernet, Firewalls, HA, Interface, Layer 2, LAYER3, Loopback, Palo Alto Networks, tunnel, VLAN

Palo Alto Networks Firewalls does comes with a dedicated out -of-band Management (MGT) Interface which is used to manage the Palo Alto Network Firewalls. By default SSH , HTTPS and ping is enabled to manage the Palo Alto Network Firewalls, apart from dedicated out-of-band management interface one...


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