Category Archives: Firewall

Palo Alto Networks: Active/Active High Availability

Scenario The pair of PA5050 firewalls are at the edge of the network, the downstream of PA5050 pairs has a pair of Cisco Catalyst 6506 and a pair of Cisco Catalyst 4506 switches. The diagram is illustrated as below. The … Continue reading

Posted in Firewall, High Availability, Security | Tagged , , , , , | 3 Comments

Juniper Networks: Configuring Vlan interface on SRX210H

you need to get use to the command sets.. If you are a Cisco user it will be easier to compare the commands with cisco’s. set vlans trust vlan-id 10 is the same as set interfaces vlan unit 10 family … Continue reading

Posted in Firewall, Security | Tagged , , | Leave a comment

Palo Alto Networks: OSPF and L3 Link aggregation

The previous post about Cisco VSS is to integrate with Palo Alto Firewalls. Layer 3 link aggregation on PA firewall Click on Network tab and select Interfaces from the menu on the left. There is an “Add Aggregate Group” at … Continue reading

Posted in Firewall, OSPF, Route, Security | Tagged , , , , | 5 Comments

Palo Alto Networks: Mocked up project task

Introduction An organisation has gone through the gap analysis by consultant and engaged your company to do phase 1 implementation based on the treatment plan by consultant. This is a new office by the organisation. The implementation phases are broken … Continue reading

Posted in Firewall, Security | Tagged , | 3 Comments

Palo Alto Networks: Ping firewall interface

Suppose you want to verify if your packet actually reach the untrust interface of Palo Alto Network firewall, you can let the untrust interface of the firewall to send echo reply by using set network profiles interface-management-profile command. Firewall policy … Continue reading

Posted in Firewall, Security | Tagged , , | Leave a comment

Juniper Networks: Default configuration hardening.

Remove insecure system services The default configuration allows telnet and http, remove these from the default configuration. Create users Create an administrator account and prevent the use of root. Create operator account and readonly account. Set up NTPd for time … Continue reading

Posted in Firewall, Security | Tagged , , , , | 2 Comments

Juniper Networks: Factory reset SRX210H

If your password is too simple you will receive this message error: require change of case, digits or punctuation

Posted in Firewall, Security | Tagged , , , | Leave a comment