It started snowing today, so I guessed it would be the perfect timing to write a quick and dirty howto on getting connected to the internet over IPv6, using a Juniper ssg5. I’ll also discuss the easy steps to Read more
In this post, I’m going to show you how to set up a Linux host (Fedora Core 9) and use it as a BGP enabled router.
In order to fully understand the setup & configuration, please have a look Read more
As explained in one of my earlier posts, ScreenOS supports a couple of ways to provide for dynamic routing. Today, I’m going to explain some basic implementations of BGP on ScreenOS. Unlike my post on OSPF, I won’t Read more
Scenario : you have 1 Juniper firewall, which has 2 internet connections : an expensive but reliable 4Mbit connection, and a fast, less expensive, but less reliable 20Mbit connection.
Goal : use the reliable connection for smtp traffic (1Mbit) Read more
OSPF is a link-state (dynamic) routing protocol that operates within an autonomous system. OSPF falls within the group of Interior Gateway Protocols. Devices that use OSPF will
Click Start->Run In the "open" box, type "cmd" (without the quotes) Click ok Enter the following command and press "return"
rundll32 zipfldr.dll,RegisterSendto
(you should not get Read more
A few days ago, I have posted some ScreenOS basics on this blog. Today, it is time to take it one step further and to look at setting up and especially troubleshooting IPSec VPN’s with Juniper Netscreen devices.
The following document is based on ScreenOS v5.4.0r7.0
– Interface = connection to a specific subnet. An interface is assigned an IP address only if firewall is operating in L3 mode. Default interface names can Read more
At any given time, the amount that TCP can send is governed by three factors: the congestion window, the receive window and the number of bytes available to send. Without using TCP window scaling (which is disabled by default Read more
As far as I know, there are no free Management Packs available for monitoring Juniper/Netscreen firewalls with Operations Manager 2007. Catching snmp traps and syslog events seems to be the only "easy"/free way to monitor what is going on Read more
