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Showing posts from 2017

Convert IMCEAX to X500 Address for NDRs

Paste this into Powershell ISE and modify accordingly. This script will replace all parts of a problematic X500 address into a readable format when an NDR is delivered. Example IMCEAEX value - IMCEAEX-_o=EXCH_ou=Exchange+20Administrative+20Group+20+28FYDIBOHF23SPDLT+29_cn=Recipients_cn=d8d4ee95afb-Squirrel+20Success@blogger.com $x = Read-host 'Enter IMCEAEX full value' $x = $x -replace "IMCEAEX-_", "X500:/" -replace "\+20", " " -replace "\+28", "(" -replace "\+29", ")" -replace "_", "/" -replace "\+2E", "." -replace '@.*', '';cls;Write-output $x 

Understanding VLAN Access Filters

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Evening All I've spent a few days trying to get my head around VLAN Access-Maps and VLAN Access-Filters. I am sharing my configuration which works fine in my GNS3 lab. This is not been tested in a production environment so I would advise caution and some thorough testing before bringing into a live environment. So above is my test environment for VLAN Filters. Layer three is done on Router 1. I did actually try it on the L2 Switch however I couldnt get intervlan routing working so I had to use the Router. This is what is allowed  - Communication both ways between 10.0.20.4 and 10.0.20.3 Communication both ways from 10.0.20.0/24 to 10.0.10.5  I have provided a limited output of the switch. Basically, I am covering the access-lists, VLAN configuration and interface configuration for review. If you don't create the MAC access-list and apply it to the VLAN access-map, then the endpoints will not learn the IP address of the other end points. You can be restrictive and

Windows 10 Wireless connection asking for proxy server credentials

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When using Windows 10 on a domain network, the wireless may show attention required and upon clicking the wireless connection name it disconnects and states "enter proxy server sign-in info". In the background, the client machine is making a connection to msftconnecttest.com/connecttest.txt. As the computer is not authorised to use the internet, but rather the user this was the cause of the popup. I whitelisted the domain msftconnecttest.com for computer authenication and now the wireless connects with no requests for further authentication.