Atyaf Networks Blog

Setup Remote SPAN without Specialized Hardware using OpenVPN TAP Interfaces

Want to setup a Remote SPAN port but you don't have specialized hardware to do so? This article will walk you through how to do exactly that.

security

Leverage CVE-2024-3661 TunnelVision to Effectively Disable VPN for iPhone Users

DHCP can add routes to a client’s routing table via the classless static route option 121. This blog post discuses how to take advantage of that fact to render VPN on iPhones useless.

windows

How to boot Bitlocker Encrypted VHDX beside Ventoy

Ventoy is a great Multi-Boot USB tool, however, booting bitlocker encryptd VHD(x) is not supported. Luckily, there is a workaround..

vmware

Control multi-monitor VMware Workstation VMs and set custom monitor resolution

Let's say you have a high resolution monitor and want to make use of it under VMware Workstation VMs. One way is to add multiple virtual monitors to a VM and divide the main screen to multiple parts with custom resolution. For example, this is how the VM looks before:

networking

Port Mirror (SPAN) and management on a single physical port

Want to setup a SPAN port for your network analyzer but you are hardware limited to a single physical port? This will walk you through setting up a software SPAN port on PfSense.

Tutorial

How to Passthrough VLAN tags to VMware Workstation Virtual Machines using Hyper-V VSwitch

VMware Workstation does not support handling of VLANS natively. However, there are workarounds that can be used to provide vlan tagged traffic into VMs.

windows

Fix Windows slmgr Error 0xC004F074 No KMS Server could be contacted

Error 0xC004F074 request time-out when the activation service tries to contact the KMS server

Tutorial

Setup NtopNG on PfSense the Correct Way

The official ntopng package for pfsense is full of bugs, but there is an alternative way to have a fully operational ntopng integration with pfsense.

VeraCrypt with Windows built-in system image creator (0x80070001)

I was trying to set up my Windows machine to create a system disk backup image to a VeraCrypt mounted drive. Windows seems not to like the way VeraCrypt mounts drives, it complains about not finding a proper backup device and giving error code 0x80070001. A detailed behavior is explained

digitalocean

Deploy PfSense on DigitalOcean with a VPC Network

With the addition of Virtual Private Cloud feature in DigitalOcean, pfsense can be a great gateway and firewall to protect your droplets in a private isolated network.

digitalocean

Thoughts and experiments with DigitalOcean's new VPC network

On April 7th, Digital Ocean announced the availability of its new feature called Virtual Private Cloud (VPC). It is essentially a local network between your droplets.