@hugovalters.bsky.socialYour smart bulb got popped, ARP-spoofed the gateway, and harvested NTLM hashes in 4 hours. A practical VLAN segmentation guide for sysadmins and https://www.valtersit.com/guides/networking/vlan_segmentation-why_your_smart_fridge_shouldn-t_talk_to_your_file-server/
#networking #vlan #security
@opland.net
@itamar-dahan06.bsky.socialNAT works instantly with DHCP, great for experiments. Bridge puts the VM on your physical LAN. VLAN separates environments. Note: inbound traffic on NAT needs port forwarding.
https://lexi-cloud.com
#Networking #VLAN #LexiVirt
@bleevht.bsky.socialI Gave an AI Agent Its Own VLAN in My Home Lab. Here’s Why #HermesAgent #HomeLab #SelfHosted #AIAgents #NetworkSecurity #VLAN #Proxmox #Cybersecurity www.virtualizationhowto.com/2026/10/i-ga...
@hugovalters.bsky.socialA flat network let one exposed Redis instance hand attackers 200+ VMs in 4 hours. VLANs and firewall rules for service isolation, with real configs: https://www.valtersit.com/guides/security/network-segmentation-vlans-and-firewall-rules-for-service-isolation/ #NetworkSecurity #VLAN #Firewall
@hugovalters.bsky.socialYour smart plug is a backdoor into your LAN. VLAN segmentation is how you contain it. Brutal, actionable config for isolating IoT junk.
#IoT #VLAN #NetSec
@bleevht.bsky.socialYour Home Lab VLANs May Not Be Isolated Without This Firewall Configuration #HomeLab #VLAN #OPNsense #NetworkSecurity #Proxmox www.virtualizationhowto.com/2026/09/your...
@hugovalters.bsky.socialOne compromised WordPress plugin pivoted to a payment database in 90 seconds. The network was flat. Here is how VLANs and firewall rules stop lateral movement in https://www.valtersit.com/guides/security/network-segmentation-vlans-and-firewall-rules-for-production/
#networking #security #VLAN
@hugovalters.bsky.socialOne compromised WordPress plugin reached a payment DB in 90 seconds. Flat network, no VLANs, no firewall rules between services. Here's how to https://www.valtersit.com/guides/security/network-segmentation-vlans-and-firewall-rules-for-production/ #VLAN #Networking #InfoSec
@hugovalters.bsky.socialYour smart plug is scanning your LAN right now. VLAN segmentation is how you stop IoT junk from owning your main network. Config included. https://www.valtersit.com/guides/networking/vlan-segmentation-securing-iot-devices-from-the-main-network/ #IoT #VLAN #NetSec
@hugovalters.bsky.socialFlat networks turn one exposed Redis into 200 compromised VMs in four hours. VLANs and firewall rules for service isolation, with https://www.valtersit.com/guides/security/network-segmentation-vlans-and-firewall-rules-for-service-isolation/ #NetworkSegmentation #VLAN #Infosec
@hugovalters.bsky.socialbalance-rr on a single switch filled the MAC table in 47 seconds and took down a 12-node Proxmox cluster. This guide covers bridges, LACP bonds, and https://www.valtersit.com/guides/proxmox/proxmox-network-configuration-bridges-bonds-and-vlans/ #Proxmox #LinuxNetworking #VLAN
@hugovalters.bsky.socialVLAN Segmentation: Securing IoT Devices from the Main Network — hands-on guide for sysadmins. #IoT #Security #VLAN
@bordfunk.norden.social.ap.brid.gy
@hardwarebriefcom.bsky.socialUbiquiti Launches Enterprise Campus Switch Core