Checkpoint - dropped Reason: UDP packet that belongs to an old session
Problem
Last week I came across a DHCP problem. Devices from certain VLAN were not getting DHCP assigned IP.
Even though firewall policy should have
Powershell - Script to clone AD groups
Last week I came across a situation where I needed to copy Active Directory groups (including members) as new groups.
Scenario
Suppose we want to
Raspberry - Raspbian installation and initial setup
Some time ago I started reading documentation about Raspberry. Nothing related to my job but, as a hobby/challenge, I decided to buy one and
Exchange - SMTP error: 550 5.7.1 Client does not have permissions to send as this sender
Problem
Last week I was testing the IMAP/SMTP connection of my Exchange 2013. Unexpectedly Outlook returned the following error:
The message does not appear
Checkpoint - Delay before password prompt when logging via SSH
When connecting to checkpoint gateways, there may be a delay of 5 or more seconds when waiting for the password prompt. This is due a
Windows - Renew certificate assigning the same private key
When renewing a certificate it is not necessary to generate a new csr. This is possible by maintaining the same private key.
When received the
Windows - Add secondary IP addresses to interface
Sometimes it is neccesary to configure a network interface to listen on more than one IP (for example, web servers containing multiple SSL certificates…)
After
Sysadmin - Best system administrator tools: MRemoteNG
Given that my work involves managing a wide variety of systems, a good remote connection manager is very important to save time.
I have to
Checkpoint - Incrementing virtual system instances to solve cpu overload
Due to some network infrastructure changes, the traffic passing through my internal FW (a Checkpoint VSX virtual system) started to suffer latency and packet loss.
Lync - Error 1603 uninstalling Lync 2013
Some time ago, I started a Lync 2010 to Lync 2013 migration process but, due to non-technical reasons, I could not finish it. No users
Lync - Configure holiday lists for Response Groups
When using response groups, business days and hours can be configured. This way a different action (than attending the call) can be configured when in
Windows - Cannot cannot shrink a volume beyond the point where any unmovable files are located
I finally received my new Dell Inspiron 15 Serie 5000 with a 1TB hard disk!
Target
I would like (maybe very shortly) to move the
Offtopic - Migration to new hosting
Sorry for such a long time without posting anything. I have been in process of migrating to a new hosting solution.
Thanks to my friends
Checkpoint - Hide NAT vs Static NAT
This post tries to be a simple explanation of the Hide NAT and Static NAT concepts.
Given the following simple company network let’s see
Powershell - Schedule a task on a list of servers remotely
Maybe you have been interested in configuring a scheduled task on a set of servers of your enviroment. Depending on the quantity it can become