Tag: Security
Arp Protect in dynamic VLAN environment
I am using 802.1x authentication with dynamic Vlan assignment(CPPM). As you may know, when a user logges in to their computer, SW attaches the user port to related Vlan. Thinking the scenario in which machine authenticated (no user logged …
Differences between hashing, encryption and cryptography? [closed]
how to choose when to use encryption or hashing mechanisms?
Specific setup of a lab : Two VMs with internet and no host communication
I would like to setup a lab for couple tests.
I have two VMs on VirtualBox. I need to let :
VM1 and VM2 can connect to internet.
VM1 ↔ VM2 can communicate with each other.
VM2 has automatic assignment of IP from a DHCP server is enabl…
Is it just me, or has the entire (non-cancerous) Internet died? Is there really no emerging decentralized Internet?
I have never felt as alone as I feel now, utterly unable to get even the simplest question answered. It seems like Stack Exchange has turned into a black hole which just ***** in data but never spits out answers, as it used to.
IRC became…
Understanding firewalls in details [closed]
I would like to understand how firewalls work in details, and check my understanding of the attack surface.
In this context, here are some specific questions :
Is it good enough for firewalls to monitor TCP and UDP messages only?
Say a …
Configuring a network for 100% isolation (for security)
I’m configuring a LAN for an office. It’s a new setup, and therefore there are desktops but no servers and no PC-to-PC communications – everything is on the cloud. The exception to this are several peripherals (a printer, a scanner, etc….
Reasonable security of RDP VPN access [closed]
An organisation I work with requires that employees be able to connect to machines on their network and log on to them from machines that are not on the network and not joined to the domain.
They have these unsecure machines connect thro…
Webpage ability to scan local networks without user knowledge [closed]
If you install a Synology NAS to your network. You simply go to find.synology.com and finds your device and allows transfer to it. No warnings, no notifications what so ever that it’s scanning the network.
That tells me th…
is there a network diagnostic device that can isolate and alter the packets of a connection flowing through it
i am not looking for a Tap. a tap is almost what i need, but i don’t want mirrored packets. i need some kind of man in the middle device. i have been told such a device or software/hardware combination does not exist.
the …
The Best Way to Secure sFlow Exports?
Hi Network Masters,
I have recently gotten my network devices to export sFlow records to my sFlow collector. Trouble is, all those sFlow exports are being sent across my network in cleartext. A lot of Google searching plus…