Network technologies and trends:

Security


January 31, 2016  5:26 AM

What are Address Objects in Palo Alto Networks Next Generation Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, application, Default route, Ethernet, Firewalls, FQDN, HA, Interface, IP range, IPv4, IPv6, Layer 2, LAYER3, Loopback, objects, Palo Alto Networks, Security policy, Services, Static route, tunnel, URL, Users, VLAN

Like all other firewalls , Palo Alto Networks Firewall supports Address objects. These Address Objects are basically named objects which can be configured on a Palo Alto Networks Firewall . The address object can include an IPv4 or IPv6 address or the FQDN. The address can be configured based on...

January 21, 2016  5:08 AM

What is an error “Number of interfaces…not consistent” in ASA Firewall?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco ASA, Cisco Firewall, Cisco IOS, IOS, Standby

If you are planning to do a hitless upgrade of a failover pair of ASA 5500 X Series firewall from 8.4(6) trail to 9.2(4) trail, you need to be little cautious. As you cannot do a direct upgrade, you need to rely on a interim release. Most people tend to try 9.1(2) as an interim upgrade, when you...


January 20, 2016  5:29 AM

How to configure log forwarding in Palo Alto Networks Firewall? – Series 2

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

In this post we will continue the configuration of log forwarding in Palo Alto Networks Firewall, in previous post we saw how to add a Syslog Server...


January 20, 2016  5:21 AM

How to configure log forwarding in Palo Alto Networks Firewall? – Series 1

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

We all know the importance of having historical logs for any references or forensic analysis. I have personally benefitted from historical records for various reasons and  it happens to be a good practice to forward all the logs of your firewall  to a logging server. The logging server could be...


January 19, 2016  4:46 AM

How to enable logging 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 live troubleshooting or to ensure certain traffic is either blocked or allowed one relies heavily on logs, Palo Alto Network Firewalls does provides very good logging options and fields. Its quite easy to read them and understands them. By default when some one creates any security...


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 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


November 26, 2015  4:41 AM

Palo Alto Networks Firewall Interface Types –  Virtual Wire

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Administrator, Decryption, Ethernet, Firewalls, HA, Interface, LAYER3, Loopback, NAT, Palo Alto Networks, Security policy, tunnel, VLAN

We all know Palo Alto Network Firewalls offers quite flexibility deployment options, one can also deploy Palo Alto Networks in Virtual Wire or V-Wire mode. This is the beauty of Palo Alto Networks Firewalls , the flexibility it offers cannot be matched by some of the leading firewall vendors....


September 25, 2015  7:27 PM

CCNA Security version 3.0 is here

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
CCIE, CCNA, CCNA Security, Cisco, Cisco Press, cloud, Security, Virtualization

Cisco announces changes in the current CCNA Security exam, with new announcement Cisco ensured to include many newer technologies, which are widely deployed in today;s Enterprise Networks. The...


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