We feature technical articles across the entire IT spectrum - Networking, security, operating systems, cloud, and programming.

IPSO – Enable / Disable Voyager

To enable and disable the voyager please see below, To enable ipso[admin]#clishNokiaIP390:102> set voyager daemon-enable tNokiaIP390:103> save configNokiaIP390:104> exit To disable ipso[admin]#clishNokiaIP390:102> set voyager daemon-enable fNokiaIP390:103> save configNokiaIP390:104> exit      

Basic Regular Expressions (UNIX)

Basic Regular Expressions ^abc BOL abc at the beginning of the line abc$ EOL abc at the end of the line A* Any amount of characters matches any sqec or more of A`s i.e A, AAAAAA, AA, AAAAAAAAAA . Any 1 Character Any Character .* Any Characters Any Characters a[a-z0-9]c Range Between a and c … Read more

What is Akamai ?

Who are Akamai ? Akamai Technologies was founded in 1998 to provide a distributed computing platform for global Internet content and application delivery. The word Akamai in Hawaiian means smart or intelligent. Akamai has developed a global array of interconnected servers that cache content supplied by its Internet customers. This way the content is physically … Read more

FTP – Active vs Passive

File Transfer Protocol (FTP) is a network protocol used to transfer data from one computer. In order to download and upload files to an FTP site, you need to connect using an FTP client/server. FTP runs exclusively over TCP and listens on port 21 (command port) by default. Data is transferred across a separate data … Read more

Windows – Openfiles Command

The windows command prompt openfiles command can be useful for viewing the openfiles used by the system. Errors When trying to use the following syntax openfiles /local You get the error message,               The system global flag ‘maintain objects list’ is currently disabled This can be resolved via the following, openfiles /local on Viewing open … Read more

Windows – Securing Windows XP

If your like me, and haven’t the time to waste trying to find and delete viruses, then this guide below is a must read. In this guide we will be securing the use of windows by creating a limited account. If you’re using a limited account when you visit an attacker’s Web site, it’s less … Read more

Google Advanced Search Operators

“google example” phrase Pages containing the exact phrase “google example” example  -word exclude Pages containing the word example but not the word “word” example site:www.example.com site Pages containing example within website www.example.com ~example similar Pages containing words similar to example example filetype:ppt filetype Documents containing the word example and are ppt extenstions example|google either Pages … Read more

SPLAT – Unable to log into Smart Portal

Issue When trying to log into Smart Portal on a pre-R65 Check Point firewall using Internet Explorer 7, you are unable to log in. Resolution Within Internet Explorer disable MS XML.This can be done via Tools > internet Options >Advanced > Security, and untick “Enable native XML HTTP support”.

Notes – MTU and PMTU

This is by no-means a full guide to MTU or PMTU but a small collection of notes. Protocol Overhead VLAN Tag (Dot1q) 4 Bytes MPLS 4 Bytes IP 20 Bytes TCP Header 20 Bytes UDP Header 8 Bytes ICMP Header 8 Bytes Example To send a ping with a full 1500 byte packet , you … Read more

IPSO – Installing a Check Point Package

Below shows you the process of installing a new Check Point package via the CLI, cp1[admin]# newpkg -m IPSO_wrapper_R65.tgzEnter pathname to the packages [ or ‘exit’ to exit ]: /var/emhome/adminLoading Package ListPackage Description: Check Point Suite wrapper package NGX R65Would you like to :1. Install this as a new package2. Upgrade from an old package3. … Read more