Network Security - securing network infrastructure and connections

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Can TTL field in IP header be used to locate the router nearest to the sender? [on hold]

Under the Internet Protocol, TTL is an 8-bit field. The TTL field is set by the sender of the datagram, and reduced by every router on the route to its destination. Consider we have TTL values from ...
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0answers
35 views

Virtually isolate a server test environment [migrated]

What is the minimum implementation that ensures some test servers (like domain controllers) don't send out network traffic that crosses over with production systems? The purpose would be to setup a ...
19
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7answers
3k 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 ...
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0answers
51 views

How can we locate the exact location of an IP spoofer? [on hold]

How can we locate the exact location of spoofed traffic without employing huge changes to our current network infrastructure. Not at the AS level, but to the exact IP spoofer or the IP address of the ...
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0answers
17 views

Laptop won't detect wifi after an issue with WiFiKill [migrated]

My brother used WiFiKill on my laptop as a prank. I think I turned it off by simply clicking Start on the top middle of the page, to change it from Start to Stop. I thought that had solved the problem ...
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0answers
36 views

Traffic shaping during a MITM attack [migrated]

In my local network there are about 10 computers. I setup ettercap to do arp poisoning between a particular host and the gateway and now I can see that host's traffic. What I wanted to do next is to ...
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1answer
139 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 ...
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3answers
57 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 ...
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1answer
29 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 ...
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0answers
44 views

How to convert a 6 byte hexadecimal MAC address to a floating point using the equation REDACTED? [closed]

Is it converting each byte to integer and adding them?
3
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3answers
740 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 ...
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2answers
72 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?
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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 ...
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2answers
83 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
24 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
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3answers
543 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
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1answer
13 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 ...
2
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0answers
16 views

Cuckoo with pfSense [migrated]

I am trying to set up Cuckoo with pfSense, and it is either not getting the information from the Cuckoo server, or it is not correctly sending the info back to the result server. I am using a LAN ...
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1answer
111 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 ...
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0answers
77 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 ...
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0answers
67 views

Is This A Run32dll.exe Virus [migrated]

I have two run32dll.exe processes, one in System32 and another in SysWOW64. Is one of them a virus or is it normal? Sometimes only one is there (SysWOW64) and this one uses 60-90 Mbs Of memory. ...
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0answers
21 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
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1answer
45 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. ...
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2answers
82 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 ...
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2answers
72 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: ...
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1answer
71 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 ...
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1answer
192 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 ...
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0answers
10 views

How to set up iptables [migrated]

I try to understand how iptables works but after a lot of hours and read a lot of articles i have stuck. That i want to do is DROP INPUT & FORWARD policy and open some ports. More specifically, i ...
3
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2answers
102 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 ...
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0answers
42 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 ...
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1answer
52 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
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9answers
494 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 ...
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2answers
97 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 ...
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0answers
33 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 ...
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0answers
35 views

Access an offline device [migrated]

I have a problem. My internet service goes out every few weeks (thank you Time Warner) and I want to be able to reboot my modem remotely. So how do I access my router if it's down? Or access a ...
0
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2answers
39 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 ...
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1answer
73 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 ...
0
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1answer
36 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
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3answers
124 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
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1answer
148 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 ...
0
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1answer
39 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
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2answers
138 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 ...
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0answers
67 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 ...
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0answers
20 views

Monitor amount of data passing through my modem [migrated]

I am considering switching to an ISP plan that has a limit on monthly data usage. Before I do that I wanted to find out exactly how much I'm using. I've been searching for a product that would allow ...
1
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3answers
47 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
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1answer
67 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
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2answers
79 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 ...
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3answers
203 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
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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
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2answers
390 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 ...