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2
votes
2answers
262 views

ASA5505 DMZ issue

I have ASA5505 , connected to the WAN on port 0 (called Vlan2), and connected to my development LAN on port 7 (Called Vlan1). I want to add DMZ, and I connected switch and servers to port 3, and ...
0
votes
0answers
63 views

HIPAA requirements for local server

I am looking to create a ePHI database for a small physical therapy office and I would like some advice on some of the security that I will need to implement. Most computers will most likely have no ...
0
votes
0answers
27 views

Mysql Virtual IP and timeout

What are the risk that I encounter when increasing the timeout of a vip between a web server (apache) and mysql cluster (two servers). Actually it is set to 5 minutes. If time_out was 1hour, knowing ...
4
votes
2answers
286 views

Bypassing Trustwave NAC

I'm currently doing a penetration test for a client, who are using Trustwave NAC to prevent unauthorized physical access to their network. I would like to know if there are any possible ways to ...
31
votes
7answers
23k views

Why do people tell me not to use VLANs for security?

I have a network, where a have a couple of VLANS. There is a firewall between the 2 VLANs. I am using HP Procurve switches and have made sure that switch-to-switch links accept tagged frames only and ...
0
votes
1answer
289 views

Are there any free, premade penetration testing labs? [duplicate]

I've already assembled a lab consisting of Kali, Metasploitable, and a Windows XP machine, but are they're any premade lab solutions available that offer up a bit more complexity or even predesignated ...
1
vote
1answer
232 views

How do vlans improve security? [closed]

From my understanding vlans create separate networks. If that is the case can you simply add routes manually and access those other networks? Basically, I've always been under the impression that ...
1
vote
3answers
319 views

How do i restrict network access to LAN for Visitors

How do i restrict network access to LAN for Visitors In my organization premises any outside visitor comes and connect to LAN ports in meeting rooms.We have seen that they are able to ping internal ...
0
votes
2answers
280 views

Questions on IDS, IPS, VLANs and VPN [closed]

I have a network that has a single point of entry the WAN. The WAN exposes about 10 static IP's that resolve internally to servers that are in the same subnet. Meaning that if you RDP over 3389 to ...
0
votes
1answer
472 views

Hide a machine on LAN [closed]

Is there any way to hide a computer on LAN? For example maybe with a firewall, when someone is going to ping a machine, it won't answer. In other words the machine must answer to router only. I am ...
1
vote
2answers
1k views

In a LAN environment, can you fake the IP address while also being able to receive the response?

Looks like nmap could fake source IP address, and getting a valid response, but only in LAN environment. I'm not sure how it works, here's my thought, You created a packet with fake IP address and a ...
3
votes
1answer
553 views

Isolate a Virtualbox VM from local network [closed]

I have the need to isolate a virtual machine created with Virtualbox from the local network but I need to provide internet access to that machine. It is the first time that I face this kind of ...
5
votes
2answers
459 views

Segmenting Virtual Network Traffic

I have a basic to moderate understanding of VLAN's and their pros and cons as they relate to network segmentation but I'm wondering where to start as one moves into virtualized environments. From a ...
1
vote
3answers
2k views

How to setup an internal firewall

I'm hoping to get some advice on a project I've been asked to look after at work. I do all of the IT for a small company that sits inside of a larger corporation. We need to prevent access to ...
0
votes
0answers
37 views

Creating a VLAN seperating home network and server - security issues? [duplicate]

Possible Duplicate: Why do people tell me not to use VLANs for security? After my host of my vServer crashed his infrastructure (takes up to two weeks to get it back online!!!), I decided ...
3
votes
1answer
384 views

How to do layer 3 VLAN hopping?

I am connected to 3 layer switch used to create IP subnet-based VLANs. Is there any way to do VLAN hopping? Note that this isn't using 802.1q; it's not port-based L2.
14
votes
4answers
2k views

Threat assesment for a captive portal

I am interested in setting up a captive portal on a wireless network. From what I understand I would do this by initially having all guests in a temporary vlan, moving them to the real vlan when ...
7
votes
3answers
2k views

Management Network Best Practices

I am looking at setting up a Management vlan, on which I will put all the Management interfaces for my various networkable devices (Firewall Mgmt Interfaces, Server RAC, WAP Mgmt Interfaces, etc). ...