Archive for April, 2011

Network Monitoring for Dummies

April 28th, 2011 No comments

A  nice little introduction to network monitoring (provided by my employer – registration required for obtaining the free download). This book does lean slightly towards using Cascade products to provide monitoring, troubleshooting and analytics – BUT I’m happy to say that it does remain a nice little read for anyone who has an interest in network monitoring. Read more…

bashrc and bash_profile

April 27th, 2011 No comments

Both the ~/.bashrc and ~/.bash_profile are scripts that might be executed when bash is invoked. The ~/.bashrc file gets executed when you run bash using an interactive shell that is not a login shell. The ~/.bash_profile only gets executed during a login shell. What does this all mean? Read more…

Categories: linux Tags:

RFC 2597 Assured Forwarding Per-Hop Behaviour Group

April 19th, 2011 No comments

RFC 2597 defines four Assured Forwarding groups, denoted by the letters “AF” followed by two digits: Read more…

Categories: Network Design, QoS Tags:

Kerberos (RFC1510) Failure Codes

April 18th, 2011 No comments

These failure codes are the original error codes from the Kerberos RFC 1510 Read more…

Categories: Network Management Tags:

Using Wireshark to examine SMB Signing Requirements

April 13th, 2011 No comments

When a client connects to a server using SMB it sends a “Negotiate Protocol Request”.  In response to this, the server replies with a “Negotiate Protocol Response”.  This response reveals whether SMB signing is enabled and whether it is required at the client, the server, or both. Read more…

Categories: Protocol Analysis Tags: ,