Network Security - securing network infrastructure and connections

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2
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1answer
61 views

How can I detect subnets? [closed]

Given a WAN, which is connected to the internet via a single exit point. Inside this WAN, I don't want to have any subnet structures. Every user gets his own access point, which he can expand via ...
0
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3answers
102 views

Is it possible to get Network Domain from Client with PHP or Apache? [closed]

I'm working on a solution to identify client Network Domain or Workgroup in a private network. Based on it, I must change some access permissions. I can't do that through IP address because it isn't ...
3
votes
2answers
112 views

Share network with neighbor

My neighbor asked me if I wanted to share his network with me. Internet access is a little more expensive here than I am used to in my country. Before saying yes I wanted to know if I had risks in ...
4
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3answers
211 views

Is there a way to block your ISP from controlling the password of your main router?

I got internet installed at my home earlier today by Bright House Networks. When I asked the installation technician about changing the router administration password, he said that he can change it ...
1
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0answers
68 views

Web/search engine spider on local network?

I was setting up a test webserver on my local network earlier, and whilst sorting out the firewall I noticed the following in the log (/var/log/ufw.log - I'm using UFW on Ubuntu 14.04): Jul 9 ...
1
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0answers
70 views

Adding a binary to the firmware of a routing device [closed]

I've been playing around with a router d-link dwr-921 and found some vulnerabilities in the web interface. I still haven't managed to get shell access and now I'm thinking about modifying the firmware ...
2
votes
3answers
163 views

How to protect against rogue Base Stations? [closed]

I just read the answer to the question here and it sounds surprisingly simple for calls/SMS (and data?) to be intercepted by a fake base station. From what I understand, if you were to walk past ...
3
votes
1answer
28 views

Why doesn't netsplit riding work on single node networks?

I've been reading up on netsplit riding (a.k.a riding the split) and according to multiple sources, it's only a risk to multi server networks. Now I understand that a netsplit occurs when a node ...
8
votes
1answer
1k views

Does restricting the names of computers allowed to connect to a wifi network provide any security

In response to a statement elsewhere that MAC address filtering was essentially useless for protecting a wifi network because it was trivially by passable by network attack tools, I was asked if the ...
21
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8answers
5k views

Is there a way to make a WEP-secured AP uncrackable?

For some days, I was feeling that my Internet bill was booming. Then, I recently found out that a boy near my house was accessing my router to use the Internet. Then, I read some articles how to crack ...
0
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1answer
172 views

WEP password cracking

I was testing WEP password cracking on my router. I had set a thirteen character password ("TESTING123456") and tried these commands: airmon-ng start wlan0 Then I started airodump-ng using this ...
0
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3answers
62 views

Why is shared less secure than open when it comes to WEP?

According to this post, Jeffrey Tippet (Microsoft employee) writes: WEP can run in two modes: shared and open. Despite the names, shared is actually less secure than open. Because of this, our ...
1
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1answer
44 views

Padding of 802.11 packet with 0's in libpcap [closed]

I am trying to send probe request to Access Points.But whenever I send a probe request packet it is padded with 0's i.e I see two packets on wireshark for every packet I send : a non-padded packet and ...
3
votes
3answers
818 views

Enumerate the subdomains of a given domain - what's the point?

There're a number of security tools out there that enumerate the subdomains of a given domain. I wonder: What's the purpose of that in terms of security / hacking? Is there any way to do that other ...
0
votes
2answers
78 views

Client misunderstanding nmap [closed]

My client wants their public facing IP addresses to be secure, but thinks that running nmap port scans will draw attention from hackers. To settle this once and for all, what do you say?
21
votes
8answers
4k views

Is possible to get infected by only staying connected to the Internet (nothing else)?

I have a router and I'm the only user. I have a computer with Linux and a tablet with Windows 8.1. Because of a few problems, I had to reinstall Windows on the tablet. Since I'm a bit paranoid about ...
1
vote
2answers
88 views

Cheap and efficient strategy to protect against professional attack?

With things like NSA or state sponsored attack, it seems that no one is safe from a technical point of view. Is there any efficient method or strategy to protect against them? My guess is that ...
-3
votes
1answer
30 views

Protection of information terminal running Windows OS [closed]

I need an information computer terminal to work 24/7 in a protected public area. Operating system is Windows POSReady 7 EVAL. I need this terminal to send HTTP messages to a single IP address in the ...
9
votes
3answers
615 views

Can an attacker “simulate” a private IP address?

I have a SSH server with a rule that does not allow password connections outside the local network. So people already on the local network, either physically or via VPN, are allowed to connect with ...
0
votes
1answer
14 views

Security risks for a simple network configuration screen in android [closed]

I am building an Android App that pulls chart information from a server where the connection is specified on this view Ideally, the end user will put in a valid host and port resulting in business ...
1
vote
1answer
129 views

Is it there any effective way to prevent shodan to access my webcams [duplicate]

Recently while browsing using shodan, I came across a search string to explore webcams. Some of the searches I carried out were: webcamxp city:city name webcamxp geo: longitude and latitude ...
0
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0answers
87 views

How 'private' is my setup?

I'm currently running QubesOS (so essentially a virtualized Fedora operating system), which I use to access an offshore VPS through I2P (using garliccat). I then route all my traffic through the VPS ...
1
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0answers
26 views

Migration from TDM to All IP: any security issues?

My phone operator is slowly abandoning TDM (Time Division Multiplexing) to replace it with IP connections. What are the security risked related to this change? will all the phone line be like in a big ...
1
vote
1answer
57 views

Strange 'agetty' process running on my VPS.

Recently, I had to reinstall one of my VPS servers (again), due to malware. I took what I considered to be pretty good security precautions. I also locked the root account and am using sudo as well. ...
2
votes
2answers
101 views

Is creating a network bridge in order to connect a virtual machine to the internet insecure?

I have created a virtual machine using Hyper-V running OpenSUSE 13.2. In order to get an Internet connection on the virtual OS I created an external virtual switch. Windows 8.1 then automatically ...
1
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2answers
76 views

Is it Safe to Send an Invalid Password Back to the Client?

It is common for websites to remember the username input value after an invalid login attempt but not the password input value. Take SE for instance. When I attempt to login with an invalid password: ...
1
vote
1answer
77 views

What this type of attack called? (gaining peripheral information)

When the intruder looks at the transmitted data and finds information about the sender and the receiver of the data or other peripheral information that won't help him hack the system but know more ...
2
votes
1answer
688 views

Zeus botnet source code

I am doing my project on botnets and wanted to understand the source code of the Zeus botnet. Where is the right place to get started with some analysis of zeus botnet source code? I need a good ...
3
votes
2answers
202 views

What is “Gateway Host Probe”?

I wanted to perform Stress Testing on my router using Metasploit to perform a TCP syn Denial Of Service attack. I have used the following commands: use auxiliary/dos/tcp/synflood set rhost ...
0
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0answers
50 views

Alternative to ECC for mobile security

I asked a question a couple of months back, which led me to ECC. The following question is in continuation: Current Setup: I've two devices A and B which need to interact with each other securely ...
0
votes
1answer
75 views

Snort - Rule: Alert all php requests

I am trying to understand writing rules for snort. Further goal is detection of sql injections like here. I've read the documentation of snort rules and created this rule: alert tcp any any -> ...
9
votes
9answers
516 views

Which factors should you take into account when deciding whether users should be informed of a penetration test?

Say you are conducting a penetration test of an internal network. The internal network comprises of workstations, servers and company and contractor laptops. In an ideal world, the penetration test ...
0
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2answers
137 views

Is it safe to put my own router in my neighbour's DMZ?

I use my next door WiFi for a small charge as I am unable to install my own broadband connection. I have a 300Mbps WISP router connected with a fixed IP to my next doors router (192.168.0.2). My ...
2
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0answers
42 views

please give me an specific example about “a lattice model of secure information flow”?

Currently I read the paper "A lattice model of secure information flow", but I think this paper is so abstract. Could you please give me an specific example and describe what the secure information ...
0
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2answers
59 views

Sniffing TLS / SSL through HSTS?

Imagine the following: Client C wants to communicate with server S. The evil attacker A is the Man-In-The-Middle. C sends a request to S, A intercepts it. A creates a self-signed certificate with ...
-4
votes
1answer
79 views

Does Server Mistrust improve security? [closed]

By server mistrust, I mean the fully implemented lack of customer plaintext on a vendor's system, and lack of vendor access to customer plaintext. Specific case in question: Password and SSH key ...
1
vote
1answer
88 views

Automating NIKTO scanner

I am working on NIKTO automation. I have a text file contains list of IP addresses along with their ports open. I have already made nikto script. Script functionality - it takes IP addresses and then ...
2
votes
3answers
166 views

Where is the most secure location to host an admin panel?

I have an admin panel on my site, that enables me to control the content on my website. In order for the admin panel to achieve this, I must have a connection to the site's database. I have two ...
1
vote
1answer
356 views

How to simulate network attacks and use wireshark to detect them?

I am working on a project which involves me to simulate a network attack and to use wireshark to detect the attack. DOS/MIM etc. I have found the following links that provided help but there are still ...
1
vote
1answer
63 views

Unidentified Filemount in Ubuntu

Not sure if this should go under security or Ubuntu but, I believe that my server got hacked somehow. Its being hosted on Digital Ocean and I mainly use it fiddle around with things. Today, I got a ...
1
vote
2answers
171 views

Hashcat does 1-7 numeric characters on brute force attack when specifying 8

I have Hashcat 0.49 on Kali Linux 1.1.0a and I have a .hccap file. It's a WPA2 Network in the file so I chose a mask of 8 numeric characters (?d?d?d?d?d?d?d?d) and instead of starting at 8 numeric ...
0
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0answers
87 views

Could other people steal my Internet connection if they had my PPPoE data?

Would it be possible for other people to use my PPPoE data to get Internet access or is it somehow restricted to my house? Then what about my neighbors downstairs, could they do it? And what about ...
1
vote
3answers
59 views

Does sending image files in http in a secure application pose any risk? [duplicate]

I came across this scenario recently, where a mobile application used for banking is sending HTTP requests for GIF images and HTTPS requests for all other transactions. But the requests to the GIF ...
0
votes
1answer
144 views

TAILS or FREEPTO is better to stay anonymous on the net? [closed]

Which is safest for security and being anonymous in internet? I have heard TAILS is better because it was used by Snowden, but I don't really know FREEPTO.
0
votes
2answers
136 views

Can I VPN a phone's connection to my home network, and then apply my home firewall to my phones network connections?

I have a decent firewall/router at home, and I was wondering whether it would be possible to use my home firewall for the connections that my phone makes, even when I'm not at home. It would mean ...
1
vote
3answers
481 views

Can a network admin see my computer's screen if I'm logged into their wifi network?

I had a friend try to convince me today that simply by signing into a wifi network, without any physical access to your computer, the network admin can see your computer's screen. Obviously this is ...
14
votes
5answers
3k views

Are consumer-grade routers any more or less vulnerable? [closed]

I apologize if this is an obvious question, I'm not very familiar with hardware. I am planning on hosting a few personal websites from my home, but I'm concerned about my security. I'm using a fairly ...
6
votes
2answers
985 views

How to be safe from wifikill!

I recently found that my friend is using wifikill apk on his rooted android and I would like to get rid of that software as I always get kicked from my wifi. I have to give him the password of my wifi ...
0
votes
2answers
172 views

Identifying the correct SSID [duplicate]

Suppose a Wi-Fi network is present with a given SSID. Now I create a hotspot with the same SSID as that of the original network. If a user tries to connect to the Wi-Fi, which one will he connect to? ...
3
votes
1answer
110 views

Any tools like PuTTY for manually stepping through network communications?

Are there any tools that would allow me to "manually" step through the network-stack processes of a device connecting to a network and communicating with other devices? Similar to using PuTTY to ...