0
votes
1answer
21 views

What does this hex value mean in source column within NETMON?

I am using NETMON to try and figure out why my local network is running so slow. I think it may be related to a system logged into it, but in order to not draw attention to my task i have been ...
0
votes
0answers
13 views

TCP traffic normalization

BitSquatting is not new but it’s relatively new. This type of attack relies on a random bit that switches from 0 to 1 or from 1 to 0 inside a RAM. Because of this even though you try to access domain ...
-1
votes
0answers
17 views

Ubuntu 13.10 doesn't really forget wireless networks

I have recently noticed that wireless networks I have previously connected to and removed from my known wireless list are still being searched by my wireless card. The networks do not appear in ...
0
votes
1answer
50 views

How to spoof the MAC on a wifi, Linux Mint 17, with NM?

I can't find a reliable way to spoof my mac. If I use the "clone MAC address" on network manager (I use Linux Mint 17, Cinnamon), I can't connect to my wifi. I tried everything, unless I remove the ...
0
votes
0answers
12 views

My WD My Book World (blue rings) is not accessable

My drive shows up under the network devices. When I click on it a windows security pop-up shows asking for my network username and password to connect to the drive. I have tried I am running windows ...
0
votes
0answers
30 views

Can 'ping' requests still be used for a DoS attack?

I was reading this question, and couldn't help noticing this part of one of the answers: On the Internet, ping of death is a denial of service (DoS) attack caused by an attacker > deliberately ...
0
votes
0answers
17 views

Instead of forwarding ports, is there a way to set up SSH on routers so I would have to login to my local network?

Instead of forwarding ports, is there a way to set up SSH on routers so I would have to login to my local network? I've been hacked, I think, and I'm no longer comfortable opening ports. Is there a ...
1
vote
1answer
68 views

What would be the role of a Raspberry Pi hooked to a harddisk and a VPN?

I'm trying to troubleshoot the network at the SME of my girlfriend: the previous network admin was more or less trying to blackmail them (for example refusing to give the passwords of the various ...
1
vote
1answer
47 views

Wifi Snooping over phone [closed]

I connect to the wifi acccess-point at work, but recently I suspect that data on my phone is being snooped-out from my phone connected to my office's Wifi network. [Phone Model: Sony Ericsson Xperia ...
1
vote
1answer
42 views

Using VLANs/subnetting to separate management from services?

Background: I recently purchased a server and a managed switch for my home in the hopes of getting more experience and some fun toys to play with. The devices and appliances I either have or plan to ...
2
votes
2answers
42 views

Providing secure access of internal network to outsiders of internal network [closed]

How can we give secure access of our internal network to some one who is not in our internal network. What can be most secure way of doing that? We have created a java based webportal which is ...
4
votes
2answers
254 views

Connection to Google, Yahoo, Bing, Ask, etc. compromised via all devices on my home network - How?

I'm a very computer savvy guy (although not very networking savvy), and I may still be wrong about this, but I think my home network may be compromised somehow. I'd like to know if it's possible for ...
0
votes
2answers
137 views

Can someone steal my WiFi password? [closed]

I was wondering today about ways someone could steal my password and I came up with a few questions. I think it's the best to let them be answered by SuperUsers :) My questions: Is someone emitting ...
0
votes
0answers
26 views

How should I configure my Tor-dedicated firewall for optimum security?

I'm setting up a Tor-based isolating proxy using the 'Anonymizing Middlebox' iptables rules specified here: https://trac.torproject.org/projects/tor/wiki/doc/TransparentProxy i.e. iptables -t nat -A ...
2
votes
1answer
64 views

Use of ephemeral port for server

In general ephemeral ports are used by clients when establishing connection with the server. For example: Server listens on port 80 A client (browser, FTP client, bittorent client) send a request ...
1
vote
0answers
70 views

“Trusted zone” in ESET Smart Security still works even with “ESET Service” stopped?

I have ESET Smart Security installed on computer A, and I usually connect from PC B to A using RDP. I have to add the IP of B to "trusted zone" on A so that B is not blocked, like in this tutorial. ...
0
votes
1answer
49 views

Benefits of using a VPN for personal Internet browsing [closed]

I can understand a VPN is good in this scenarios: For a company network, to allow encrypted connection among company computers and with the comany server. If you are connected to a public Wi-Fi, ...
1
vote
1answer
181 views

Windows method to detect ARP Poisoning in my local network (LAN)?

(This question comes from this thread, and is intended to remain as a reference question/answer pair for more generic ARP network detection not limited to WiFi, or without the need of the specific ...
14
votes
4answers
505 views

Ethernet over powerline adapters - how far will the data travel?

I would like to get a pair of Ethernet over powerline adapters so I can get a better connection on my desktop than what I currently get over WiFi. My problem is that I live in a block of flats. I'm ...
0
votes
1answer
28 views

XP Security after support for LAN file transfers

I'll make a long story short. I have an XP computer that is used to run a machine in our factory. Our machine vendor will not perform an upgrade to a newer version of windows. I am required to keep ...
0
votes
1answer
34 views

Security of Microsoft Windows, Windows on a network, and network backup?

I recently got a laptop to accompany my desktop, and to manage files across them I am considering backing the laptop up to the desktop over a network, and then backing up the desktop in turn to an ...
0
votes
2answers
84 views

Router Intrusion in firewall's log

Everytime my router connect to internet I am finding in my router's firewall log intrusion warnings. Could you please explain what it means? Is it actually someone hacking my router or is that ...
1
vote
0answers
79 views

Can not access any site with Chrome but Chromium does access any site well at the same time

I'm in for trouble with Chrome on my Mac after I backed to my home. The problem is I can not access the site such https://www.google.com with error code "ERR_ACCESS_DENIED". Even It's not restricted ...
2
votes
4answers
2k views

Should I run my small website in port 80, 8080, or 81?

I am running a small website using nginx. Since there's (probably) not going to be a lot of traffic in my server's lifespan and to avoid random DoS attacks, I am considering setting the web server to ...
1
vote
2answers
92 views

Can a home user behind a firewall be targetted by a DDoS attack?

I've read about an attack that targets simple home computer users who are playing online poker: Players A and B join a real money 1 on 1 tournament. You cannot unregister from this tournament and if ...
1
vote
1answer
40 views

I've ported my website locally installed to Internet. Is it secure?

Sorry about that ugly title, but I've managed to share my Wordpress installed locally (using WAMP server) to internet, just porting my 80 port to the public 1234 port in my router configuration. So, ...
0
votes
0answers
19 views

Can I run a VPN server with certificates only, and no password/pre-shared keys?

I've seen several writeups around discussing VPN server configuration. In all of them, there are 2 or 3 pre-shared keys / passwords used at various levels of the tunnel -- one for IPSec, one for ...
2
votes
1answer
50 views

Simple way of demonstrating that a VPN is working, that is easy for novices to understand/comprehend?

I am developing a Linux-based security appliance. One of its functions is to cloak a user's traffic within a VPN, and I need a simple way of demonstrating that this function is working properly, and ...
0
votes
0answers
35 views

How do I run a VM within a VM with separate IPs accessible on a local network?

First off, I know my question sounds confusing. Brief background information: I am an instructor for a network security penetration test course. I help create scenarios with complex networks via ...
0
votes
1answer
95 views

Routing traffic over Vpn without NAT?

I want to tunnel traffic through my vpn but I just realized that my kernel does not have nat enabled ;( iptables -t nat -A POSTROUTING -s 10.20.0.0/24 -o eth0 -j MASQUERADE iptables v1.4.14: can't ...
0
votes
1answer
208 views

How to respond to Windows Security Alert in Windows 7?

I got a "Windows Security Alert" in Windows 7. This is because a program (Spotify) on my computer wants to use the Internet connection. But I'm not sure what these options mean. Windows Firewall ...
1
vote
0answers
55 views

Virtualbox - Route a VM through a secure proxy

I have Virtualbox 4.3.6 running on Windows 7 Pro. I have various Linux VMs, I'd like to know if there is any way I can configure virtualbox not to use the default internet access the laptop has (work ...
0
votes
0answers
96 views

Netgear WNDR4000 open port 53

Why is port 53 open on the WAN side of the router? And more importantly how do I close it? Port 53 is not one of my forwarded ports. Discovered by doing nmap -pT:1-64 <my-external-IP> -Pn ...
0
votes
1answer
47 views

Can an SSL cert (not self-signed) be used to create another SSL cert for another host in the same domain?

I have a regular SSL certificate issued by Network Solutions for a given host, say "host A". Can I create another SSL cert for the wiki host that has the host A cert in its trust path and therefore ...
0
votes
0answers
181 views

How can I access my home MS SQL Server DB from a remotely hosted web service?

As can probably be seen (if not already see below) I am fairly networking illiterate. Here is what I would like to do: Setup a SQL Server DB hosted on a computer I have in my home. I want to be able ...
0
votes
1answer
851 views

How safe is it to open ports on your router? [closed]

I want to open some ports on my family's network, for game servers and other protocols like HTTP and FTP. My dad, however, thinks this is unsafe (for him). Is it easy for a hacker to get in to our ...
1
vote
2answers
75 views

What is the safest method of port forwarding?

So, I don't know very much about networking but I am attempting to create my own web server so that I can have website development practice. All was going well until I learned that I had to "forward ...
0
votes
1answer
64 views

What are the recommended internet security measures to take? [closed]

I have built a special-purpose server, the only purpose of this server is to download some data from a remote(internet) data feeder and then do some data processing. The only internet connection I ...
4
votes
1answer
142 views

Harvard “determined” that student used Tor? [closed]

In today's news, a student at Harvard was arrested for making a bomb threat. According to the affidavit for the arrest warrant an FBI agent wrote: Harvard University was able to determine that, in ...
1
vote
0answers
91 views

Isolating a Public Server From a Home Network [closed]

I am running a public minecraft server and I am starting to worry about network security. I am curious about how I would isolate the server from the rest of my home network so that if it is ...
-1
votes
2answers
90 views

How to block all ethernet traffic destined to any MAC address other than the gateway?

I am using Windows 7 Ultimate. I want to be invisible on the LAN. It means that other hosts on the same LAN must not be able to see my computer. Based on this comment, I want to block all ethernet ...
0
votes
0answers
25 views

What does my mac seem to whirr busily when I browse the web on a laptop?

I'm sitting in my room. There is a Mac Pro, a Macbook Pro and an Airport Extreme router with me. Also an HP server. They're all switched on but idle, the Mac desktop is sleeping. All is pretty quiet ...
7
votes
1answer
330 views

How to emulate an inline host in the middle of 2 other hosts in VMware Workstation?

I want to setup a lab to try Suricate, an IPS system. The thing is that I need to set it up like this: Atacker VM ----- Inline IPS VM ----- Victim VM How can I accomplish this? I don't see a way to ...
2
votes
2answers
476 views

Why it is not recommend to use root login in linux [duplicate]

I am a developer using Linux fedora.I seen in lot of links that it is not a good idea to use root user,because someone can easily hack my password.Instead create a separate account for development ...
-4
votes
2answers
38 views

What are big companies' strategies to circumvent internet censorship?

If a company has its office located in a country where website like google get blocked, and giving that the employees need a lot of googling to conduct their daily tasks,so do they usually have a ...
0
votes
1answer
96 views

Should DIR-615 router protect control pages with a passord?

I have a DIR-615 router on address 192.168.10.1 If I open an URL http://192.168.10.1 then I get login page But if I enter http://192.168.10.1/Basic/Wireless.shtml I get into control panel without ...
0
votes
1answer
181 views

What's the best way to ensure security in multi-network?

I have the following setup: I have a server using XEN to run several virtual machines. All of them are connected to various (virtual or physical) networks. I have the internet (bad guys), a DMZ ...
1
vote
2answers
73 views

How do I do this without an expensive firewall?

I've got a cheap-o Motorola Cable Modem for now and I hate it. I'm used to doing this with SonicWALL routers but life happened. I need a way to isolate these groups securely and keep threats from ...
-1
votes
1answer
229 views

Why is my router admin account able to be hacked so easily?

I was messing around with my settings on a old D-LINK DIR-600 wireless router. I've been tweaking the settings a bit for various purposes. So when I recently go to type the first few digits of the IP ...
1
vote
2answers
161 views

Windows 7 Wont stop sharing my files on my network

I'm running Windows 7 and network discovery is turned off. When checking my files and folders they all say not shared, and I have password protected sharing on (have tried turning it off as well). But ...