Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [internet-security]

The tag has no usage guidance.

0
votes
1answer
23 views

Software for home routers to block HTTPS website

I have a netgear R7000p and I am looking to block snapchat on the home router. Is there anything that could help me with this. I have tried to use OpenDNS and the website blocking functionality built ...
0
votes
0answers
12 views

Display Chrome for Windows security zone for page

Is it possible to determine in Chrome what security zone it has decided to put a page into in the same way Internet Explorer 11 displays the zone for the current page when you select properties from ...
0
votes
1answer
31 views

How do I find out what this unknown device is on my network?

Backstory: I have a home PC network that is mixed hardwired and wireless, with a wireless access point and hardwired PCs - connected to a dual-WAN capable router, connected to a cable modem, connected ...
17
votes
0answers
3k views

Is a password manager better than an encrypted file for storing passwords? [migrated]

For any passwords other than websites I log into regularly (such as Gmail, Facebook, etc.), I use apg to generate a random 20 character password. I then add that password and a username or email ...
0
votes
1answer
14 views

IE11: security level edit bar not even visible

The security level bar is missing in IE11 (it's german, sorry for that): I have read the documentation of some registry keys and modified them to test a few things. But I cannot make it appear. ...
0
votes
1answer
23 views

How to secure a public-facing host?

If I configure my cable modem' built-in router to forward port 80 or port 443 to my upcoming Raspbian host, what else do I need to do to un the router's settings and in the Raspbian settings to keep ...
1
vote
2answers
52 views

Security implications of using screen-capturing software to monitor a user's activity [closed]

Buried deep within the Privacy Policy of a purely cloud-based financial services business (with no software downloaded to the user's device) is the following statement: "We use screen capturing ...
0
votes
1answer
234 views

Intercept traffic in open wifi hotspot to scare family into using VPN [closed]

I recently setup my own VPN and I love it. Now I'm staying at a hotel and there is only a public wifi hotspot that doesn't even require a password. I'm using my VPN, but my family won't listen to me ...
0
votes
1answer
40 views

Developer console activates by itself

Over the last day, whenever a friend opens gmail in any installed browser (Chrome, Firefox, Edge) on her Win 10 machine, the developer console opens automatically. Why might this be and how to stop ...
0
votes
1answer
5k views

Internet Options to add Trusted Site Greyed Out - SysPreped Windows 10 LTSB

I just deployed an custom Windows 10 ISO I created and I can't set my local file server as a trusted site in internet options. The site button is greyed out. The only change I made in the image was ...
19
votes
2answers
5k views

Does the “authenticity of host can't be established” message in SSH reflect a security risk?

Whenever I connect to a new SSH server from my computer I get this message: The authenticity of host '[censored]:censored ([0.0.0.0]:censored)' can't be established. RSA key fingerprint is SHA256:...
0
votes
1answer
28 views

Is SSL needed for a public FTP server?

I'm going to host a public FTP update server (vsftpd on CentOS 7). Devices (dvr recorders) connect to the server with username anonymous and no password to check wether they have the latest firmware. ...
0
votes
1answer
71 views

How to determine if my web browser is safe?

Based on my question here the sole answerer suggests that it is unsafe to use Firefox 48.0.2 on my XP system, and am unable to update further. I am surprised to learn that, why am I easily allowed to ...
0
votes
1answer
69 views

Will the proxy provider know what I'm communicating via HTTPS?

I'm in China and I must use proxies or VPNs to access a wide variety of overseas sites (like Google). My school provides a free proxy for this purpose, and it declares that Your activities will be ...
0
votes
2answers
45 views

AWS SSH publickey authorization does not work from home network only

I am doing my first project for school that uses AWS, so me and my group created some accounts, and everyone could connect to their VMs except me. I spent the next hour following different guides, ...
1
vote
1answer
135 views

Can I be personally identified when I use my mobile device on a WiFi network?

You could say I am technologically challenged but I have a question out of curiosity. If I am using someone else's (or a companies) Wi-Fi via my smartphone, can they personally identify me through the ...
0
votes
0answers
42 views

How to allow login without letting them know password

The auditor of our company wants to view a few of our email accounts and access our income tax page. We what to give him full access without letting him know our passwords. I want something that: ...
0
votes
1answer
252 views

How to change response to Windows Security Alert in Windows 7?

I accidentally selected the public networks option on the Windows Security Alert shown below but for a different application which should not be communicating on a public network! Where can I change ...
1
vote
0answers
153 views

Does Mozilla Thunderbird Portable contain a spyware/adware?

Some time ago I downloaded a portable version of Mozilla Thunderbird email client form http://portableapps.com/ Today I looked at its TCP connections: 23.52.27.27 a23-52-27-27.deploy.static....
0
votes
0answers
79 views

Do light versions of linux compromise security?

I was planning to install some light version of linux (e.g. SliTaz or Puppy) in an old 512 Mb RAM Thinkpad. My question is if the use of any of these light versions, as compared to standard Ubuntu, ...
1
vote
0answers
2k views

Disable Open File Security Warning for specific file types

Windows likes to defend you against running executables that you have pulled from the web, and for some reason scripts like .js are included in that umbrella. As a developer I have long-since swapped ...
0
votes
0answers
1k views

VirtualBox - Disable internet access for host but allow for guest?

I am running VirtualBox on a Windows 8.1 host with ESET firewall and OpenVPN. For security reasons I would like to completely block internet access on the host machine (all traffic except what is used ...
0
votes
0answers
1k views

Constant ICMP echo request sequence number - no response

I wrote a program which (in an infinite loop) sends an ICMP echo request packet (the packet consists of IP header and ICMP header only), waits for some time and then receives an ICMP echo reply packet ...
1
vote
1answer
321 views

Is it possible to exploit `-i lo -j ACCEPT` in iptables?

Most of iptable setups contain INPUT -i lo -j ACCEPT rule. Without it it's quite difficult to connect to any locally hosted stuff. However what is not entirely clear to me - is locally running process ...
0
votes
1answer
47 views

Is there a way to restrict network access to a partition/drive?

Well I was just asking myself if there's a way to isolate a harddrive either physically, or a drive/partition via software from any outside connection. Like, the drive would be invisible for any ...
0
votes
3answers
791 views

How can I set a static IP on my IoT device and have if work on any network automatically

I'm building a home IoT device and I want to be able to ship this device to anyone having previously set a static IP and all they would have to do is connect to the internet and be good to go. I'll ...
-1
votes
2answers
1k views

Port 80 Security Risk

Let's say I make a simple web page that just says "hello world" with no buttons, no forms, nothing but plain text. Now I port forward the private IP address of this computer to my router sending ...
1
vote
1answer
339 views

Don't block files downloaded from a trusted site

I have a 3rd party program that downloads updates for itself from a specific location on the Net and then runs them. After being migrated to Windows 10, this stopped working because, apparently, the ...
0
votes
1answer
304 views

Finding out what redirects me to a scary URL

In Internet Explorer 11.0.9600, the website http://gus-ev.de/ (I don't want to make it a link for security reasons) redirects me to http://www.freenom.link/de/index.html?lang=de. It does not happen in ...
-1
votes
3answers
5k views

How to trace an actual IP of email sender?

I need to know is the ways of tracing the person's IP from the email if you have all the permissions and technic stuff you need... It's hard to find information about IT security and its actual ...
1
vote
2answers
22 views

any danger to not substituting user@machine in shell output online?

Online, I usually obfuscate my username and machine name when sharing terminal output. Is there any real danger to publishing my user:~ machine$ online?
1
vote
0answers
354 views

EAP-TTLS Authentication

When I try to log onto some wifi networks on my laptop, after I enter the username and password, I'm asked for EAP-TTLS authentication, and prompted to enter a domain/username and a password/token. ...
0
votes
1answer
146 views

Command to check IPV6=yes in ufw is in effect

We can set IPV6=yes by editing /etc/default/ufw to support monitoring of ipv6 packet transfer. But it will take effect only after ufw is disabled and enabled or reloaded. The question is Is there a ...
1
vote
1answer
102 views

What does this IPTable rule (SV-50313r2_rule) mean?

The operating system must prevent public IPv4 access into an organizations internal networks, except as appropriately mediated by managed interfaces employing boundary protection devices. What does ...
1
vote
1answer
160 views

Internet Explorer and Zones on a website with multiple sources

If I add a site to the trusted sites zone and it has scripts from sites in the internet zone, how will it treat content loaded from sites in different zones? Will it treat everything on the page as ...
1
vote
0answers
173 views

Problems clearing reports in Kaspersky 2016

In the 2015 version of Kaspersky Internet security I would click the Clear button on the reports page and a dialogue would come up showing the various reports and giving me the options of which ones ...
0
votes
2answers
683 views

NetBIOS packet probing (port 137). Does it come from the router?

For quite a while my machine's firewall has been detecting strange packets, seemingly coming from my router. I cannot explain this behavior. I suspect that somehow an attacker from the outside is ...
2
votes
3answers
8k views

Port 2105 Open on Network

After a long time of worrying about my network being secure and finally understanding the basic job of the ports I would see open. I recently noticed port 2103 Zephyr-clt and port 2105 eklogin open on ...
1
vote
2answers
27 views

Can browser add-ons offering user-defined CSS (to override a site's css) see my passwords and userids?

A website I use often has awful pastel text colors which I find hard to read. The text is not crisp and there's low contrast. I know of a couple of browser add-ins that will let me style the pages as ...
0
votes
1answer
441 views

how to block subdomain from any domain with windows7?

There are a lot of crappy websites which install spyware or badware software with a common subdomain name. For example (don't try these URLs, they are dangerous): 4d0a8a26-a90a-43b8-90c6-...
-1
votes
1answer
70 views

Do malicious web sites ever exploit vulnerabilities in Linux clients?

Do malicious web sites ever exploit vulnerabilities in Linux clients? Are there any documented instances of this happening in the wild? I am talking about actually taking over the client's machine ...
0
votes
0answers
25 views

What log would show what in Windows blocked a programs' access to the Internet?

We have a program that connects to the internet to check registration for a subscription. Something on a customer's computer is blocking that. It's NOT: Windows Firewall (I disabled it. Problem ...
0
votes
2answers
183 views

How does http://whatsmyuseragent.com/ get its long Recent Referrals list?

I went to http://whatsmyuseragent.com/ with Firefox, and see a Recent Referrals: (verified) list on the bottom of the page. Some of the sites in my list I have visited, but some were months ago, so I ...
0
votes
0answers
80 views

Running peer block lowers the CPU usage - Am I being hacked?

Why is it when I start peer block my CPU usage goes down 20%? I've been using peer block not because IO'm file sharing but because I just want to better secure my computer. I use its default p2p ...
3
votes
1answer
15k views

Spam email coming from name of person I know, but with wrong email address

I recently received a spam email as follows: From: Friend's name <dglee222@knu.ac.kr> Subject: Fwd: healthy belly fat loss without starvation To: Me <myemail@optonline.net>` it's just ...
-2
votes
2answers
661 views

Is the data sent from web server to browser is really more secured in https than http?

I was just reading about the differences between http and https briefly. And what I have not understood is the following possible scenario: Everyone has SSL public key right? So, anyone can get the ...
1
vote
1answer
28 views

Can Powerpoints link to information online without user consent?

I recently read a superuser question here regarding whether or not PDF files could access the internet when someone opens them in Acrobat. This led me to wonder, when I open a powerpoint file, can it ...
0
votes
2answers
3k views

Kaspersky keeps messaging about URL goldenticket.disconnect.me every time I open Chrome. What is it and how to get rid of it?

This is the Kaspersky message that appears every time I start a session in Chrome I press the green button "Disconnect" (don't mistake this with the problematic URL, disconnect.me) and the message ...
1
vote
0answers
350 views

Windows 10 Internet connection security problems

I recently bought a stationary PC with Windows 8.1 pre installed and instantly upgraded to Windows 10. The installation was error free and all apps works fine but the internet connection seems to be ...
0
votes
2answers
103 views

It it possible for a MitM attacker to know when a browser has gone into incognito mode?

This may be better suited to security, but since it's about a specific feature of software, I thought I'd ask here. Lets say that I am viewing a website, and I open a tab in incognito mode (unless ...