Archive

Archive for February, 2014

Peer-to-Peer IPSec VPN using PAT

February 28th, 2014 No comments

There may be an occasion to setup a site-to-site VPN with a customer or partner network but due to the risk of overlapping private RFC1918 address space, to use a single public address and Port Address Translation.  This methos uses a single IP address in a NAT (PAT) object.  This example uses simplified NAT available from  ASA software version 8.3+

crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
ccrypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac Read more…

Categories: CISCO, Security Tags: , ,

Batch File to append entry to hosts file on local or remote PC

February 28th, 2014 No comments

These are two small Microsoft Windows batch files which will enable administrators to append entry to hosts file on local or remote PC:

 First determine the computer name:

C:\Users\dmatthews\Desktop>hostname
L00151267 Read more…

Categories: Network Management Tags:

Executing ipconfig and other commands on remote machines

February 25th, 2014 No comments

To execute the “ipconfig /all” command on one or more remote machines you can use the psexec utility that is part of pstools, available from Microsoft. The syntax is: pstools \\machine_name command
For example:

C:\Users\dmatthews\Desktop\pstools>psexec \\L00151270 ipconfig /all

To list just the IP version 4 address, pipe the output throught the ‘find’ command:

C:\Users\dmatthews\Desktop\pstools>psexec \\L00151270 ipconfig /all | find “IPv4” Read more…

Categories: Network Management, Security Tags:

Gnu Project Debugger (GDB) – Reference Card and Tutorial

February 17th, 2014 No comments
Categories: Uncategorized Tags: