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Archive for the ‘Firewall’ Category

ScreenOS Configure Backup Internet Interface with Automatic Failover

Version: 6.0 and higher  Network Topology: Two firewall interfaces configured in untrust zone.  One for each internet service provider. Description: You can setup a second internet service as a configured backup line for use during failure on the primary line.  This utilizes interface backup and the track-ip features of ScreenOS 6. This will automatically do […]

Reset Juniper SSG firewall using pinhole on the device

Using the device status LEDs: 1. Locate the Reset (or Reset Config) pinhole on the device. Using a thin wire (such as a straightened paperclip), push the pinhole button for four to six seconds. The Status LED blinks red. NOTE: If you do not follow the complete sequence, the reset process cancels without any configuration […]

Configuring NSRP clusters for failover between Juniper SSG 140

This config assumes that you are using ports 0/8 and 0/9 for trust and untrust.  Plus you need to define 2 HA ports as well to connect the firewalls heartbeat and session information I used ports 0/0 and 0/1.   SSG1 set interface “ethernet0/0” zone “HA” set interface “ethernet0/1” zone “HA” set nsrp cluster id […]

Connect a Cisco 837 router to BT ADSL

Connect a Cisco 837 router to BT ADSL Summary: A guide to setting up a Cisco 837 ADSL router to work with a ADSL Broadband service over a BT line. Examples of broadband services where this works are BT Broadband , Eclipse Broadband or NewNet Broadband and most ADSL over BT lines. Be careful when […]