What is encoding / decoding ? Encoding refers to the process of translating a file into an ASCII based string. Decoding refers to the process of decoding the ASCII based string. In order to perform this decoding/encoding process Base64 is typically used. Base64 is a program that converts each 6 bits and then converts this … Read more
Below is a link to a RHEL5 shell backup script. Below is a summary of what the script does : Creates a tgz of all the major RHEL 5 operating system files to ${backup_name}. All the installed rpms are saved to a text file named /var/log/installed_rpms.txt. #!/bin/sh # # RHEL 5 Backup Script v1.1 # … Read more
Below shows you the basic configuration on how to create a VLAN trunk on a Netscreen Firewall. A VLAN trunk is a term used to describe a collection of logical interfaces, each one being able to receive and de-capsulate VLAN tagged packets for its relevant VLAN. In this example our trunk will consist of 2 … Read more
In order to reset a Netscreen back to factory default you will need to first connect via the console connection. This is because you will lose IP connectivity once you reset the devices configuration. You will then need to obtain the devices serial number from either of the device itself or from the CLI, netscreen-> … Read more
After removing a computer from a domain you cannot login and receive the follow error : The system could not log you on. Make sure your user name and domain are correct, then type your password again. Letters in passwords must be typed using the correct case. Make sure that Caps Lock is not accidentally … Read more
In this example we will run through various steps to troubleshoot a Site 2 Site VPN. Confirm General Details This will give us a general overview of our vpn. netscreen(M)-> get vpn Name Gateway Mode RPlay 1st Proposal Monitor Use Cnt Interface ————— ————— —- —– ——————– ——- ——- ———- sitea_vpn sitea tunl Yes g2-esp-3des-sha … Read more
In this article we will show you how to set traffic policing on traffic which is tranversing a VPN. Please Note : The command usage has changed from 8.0.4 to 8.2.1. When matching on a tunnel-group and policing at the same time you will have to also configure the match flow ip destination-address command to … Read more
In this article I will be showing you how to configure a Site 2 Site VPN on a ASA.Also included within this example is a group-policy (named “GROUPPOLICY100”) which we restrict access between the 2 endpoints to just tcp/80 traffic. Please Note : This example presumes that you have already created the object groups for … Read more
In order to assign individual IPs and ranges to certains remote access users, Check Point provides a configuration file allowing you to configure your gateway as required. This configuration file is : $FWDIR/conf/ipassignment.conf This article we will outline some of the possible gotcha`s and also run through the required steps. Within this example we will … Read more
Below is the list of all the commands (including the hidden commands) from a Netscreen NS5GT running ScreenOS 6.2. set fips-mode enable set fips-mode self-test afterkeygen set fips-mode self-test interval set key protection enable set all set vendor-def set envar set clock dst-off set clock dst recurring start-weekday last end-weekday last set clock dst recurring … Read more