The tag has no usage guidance.

learn more… | top users | synonyms

1
vote
2answers
38 views

Strange apple dns answers

Could someone please explain to the results of a reverse DNS lookup I ran? dig -x 17.178.96.59 I was expecting apple.com but it also listed a whole load of PTR's. Many looked like phishing sites like ...
3
votes
1answer
32 views

Opt into strict DNSSEC checking - does DNSSEC provide a way for a zone to request strict signature validation?

Is there a way for a domain good.com to promise that it will sign all of its DNS records, and that any unsigned records for any host *.good.com should be rejected? In other words, is there a way for ...
0
votes
2answers
63 views

What are the types of DNS spoofing?

I saw a post on here about how there are multiple types of DNS spoofing, it said: "DNS spoofing refers to the broad category of attacks that spoof DNS records. There are many different ways to do DNS ...
1
vote
1answer
44 views

How does mitmf-filepwn implement dns-spoofing?

While running the following command in Kali mitmf -i eth0 --arp --spoof --gateway 192.168.1.1 --target 192.168.1.4 --filepwn i have noticed that in latest chrome, when i typed google.gr the result was ...
5
votes
2answers
90 views

Server-side man-in-the-middle/eavesdropping: attacks between two servers using unencrypted HTTP

I’m new to security, and I’m wondering how man-in-the-middle and eavesdropping attacks between web servers work, rather than between personal devices and servers. Most questions I see here about ...
2
votes
1answer
79 views

Unable to Spoof DNS in Kali

I am new to Kali But not new to Information Security. Warming up with Kali, I tried to dns_spoof. But that didn't quite work. Here is what I did. Tampered ip_forward to 1 in /proc/sys/net/ipv4 ...
0
votes
0answers
37 views

Domain redirection when using Evil Twin method?

When clients are connected to my fake access point, is there a way to redirect their requests to a different domain (eg.: google.com --> hotmail.com)? Could this be achieved maybe via iptables or the ...
2
votes
0answers
52 views

bind9 resolves all queries to one address - a compromised server?

Since this morning we tried to open some SSL sites and were greeted by browser warnings, that certificate is not for this site. Upon checking the certificate, we determined that it is issued to ...
4
votes
1answer
86 views

Are there any statistics about packet filtering to prevent IP spoofing on the internet?

DDoS attacks via spoofed DNS(sec) are daily news for the last few years, but packet filtering should prevent IP spoofing on the internet. I tried (as an exercise) to spoof a packet on my VPS and on ...
1
vote
1answer
50 views

Can you force your PC or device to use only DNSSec-verified lookup results?

Okay, I'll admit something first-off: I don't really understand some of the practical aspects of how DNSSec protections work very well.(Even after reading resources like this.) Well, I certainly ...
0
votes
1answer
69 views

apis.google.com has an invalid security certificate. How do I overcome this problem?

This is a screenshot of my browser when I tried visiting my public calendar. It shows that apis.google.com has an invalid security certificate: This means that there is some problem with my DNS ...
4
votes
2answers
122 views

Amazon keeps asking for login/cc info via unsecure page - DNS hijack?

All my computers in the house will not connect to Amazon.com, but some unsecure (http) Amazon login page. This is the second time I'm having this issue. The first time I resolved it by changing my ...
-2
votes
1answer
206 views

How to dnsspoof against HTTPS

I am doing a dnsspoof PoC, but apparently it doesn't work with HTTPS because of the certificate. Please don't tell me that I have to generate a certificate or send a legitimate certificate, I want ...
4
votes
1answer
154 views

Intercept DNS query packet and send spoofed response after ARP poisoning

On my network, I am able to perform ARP poisoning but only for a target machine not router. Therefore, I cannot spoof responses by intercepting router's packets and modifying them ...
-2
votes
1answer
105 views

My internet service provider spying on me?

I have found when I ping "www.google.com" the response is an ip address of my country location, not Google. The strange thing is the site opens normally. Anyone have an explanation?
8
votes
5answers
2k views

I don't recognise my DNS server's address: does this mean I am compromised?

I'm using the Ubuntu GNOME Linux distribution as my desktop. Recently, it became impossible for me to connect to the Internet with it. When I checked its network settings, I saw that the DNS address ...
1
vote
1answer
58 views

Is it feasible to use DNS query packets as a reflection tool in public WiFi environments?

It's common sense that DNS query packet can be used to establish convert channels. But in my experiment of DNS query reflection, where I send out DNS queries with spoofed source IP and MAC address to ...
0
votes
1answer
72 views

Domain sale - Is it DNS hijacking?

I am using a desktop that has two Linux distros and Windows 7 installed, and a laptop with same installation. Both of them are in my home network. And sometimes when I try to visit some websites such ...
2
votes
0answers
244 views

ssh dns spoofing warning - possible investigation?

Recently the router my ISP provided started to work suspiciously. At times the wireless connection from my devices to the router breaks and the router stops responding while sometimes the connection ...
5
votes
1answer
582 views

DNSspoof not working

My aim is to DNSspoof. My network is using a wireless router with the address 192.168.1.1 and primary DNS is the same as the router address. I have enabled Kernel IP forward in Linux. DNS host file ...
1
vote
1answer
105 views

Legal: ISP Compromised DNS [closed]

Background: A rural wireless ISP configures all their customers equipment to point to their own nameservers. For the past 2 months or so their primary name server has intermittently been serving ...
2
votes
2answers
2k views

Why doesn't DNS spoofing work against HTTPS sites? [duplicate]

How does using SSL protect aginst dns spoof? since DNS is at a lower level and it is always work the same whether the user is visiting an HTTP or HTTPS site.
3
votes
1answer
164 views

How safe is it to use shared SPF record domains?

I'm wondering the following, what if shared SPF records like below are used? v=spf1 include:_spf.google.com ~all v=spf1 include:spf.mandrillapp.com ~all v=spf1 include:servers.mcsv.net ~all Can it ...
0
votes
0answers
34 views

Shouldn't DNSCurve be parallel to DNSSEC at root level for diversity?

As per the answer at If DNSSEC is so questionable, why is it ahead of DNSCurve in adoption?, it's been determined that one of the reasons that DNSCurve is behind DNSSEC is due to the nature of the ...
0
votes
1answer
403 views

Does MITM attack work across Remote Systems?

I have question about if MITM works across remote systems? Often, I'm doing internal penetration test, but I'm not sure about how to do MITM attack when I am outside from that network. Does classic ...
18
votes
5answers
2k views

How secure is binding to localhost in order to prevent remote connections?

Let's say we're running a service that's bound to localhost (127.0.0.1), and the goal is to only allow local clients (i.e. from the same machine only) What techniques might be used to break this ...
4
votes
1answer
86 views

I just deployed DNSSec. Is there any benefit in DANE for a CA- issued Cert?

I just deployed DNSSec at https://val-id.com and https://getvalid.com Since DNSSec is a requirement of DANE, and I have a CA-based certificate, can I show my support for DANE-based deployments by ...
3
votes
1answer
141 views

When using https but not DNSSEC, under what situation, a client is vulnerable?

So DNSSEC is to ensure that returned IP address is not poisoned. And https is to verify the remote server. My question is that when protected by https, under what circumstances, a client is ...
0
votes
1answer
119 views

How does the DNS-spoofer know the original destination of the packet?

It's perhaps my lack of deeper knowledge of how the DNS, NAT or TCP works, but I have been thinking about the following scenario and can't figure out the following problem which arises in DNS-spoofing ...
3
votes
1answer
306 views

Is it possible to intercept traffic by using a WAN facing DHCP server on an ISPs cable network?

I am running pfSense on an edge firewall conncted to a cable line. I can see many DHCP requests hitting my firewall. I guess this requests are getting send by cable modems currently booting up and ...
3
votes
3answers
167 views

How to determine if resolved ip is rogue or part of CDN?

I'm subscribed to goverment's owned ISP because only this ISP provides access to rural area. It has a bad reputation because it is not only redirects sites, but also injects JavaScript for ...
9
votes
2answers
2k views

Is the Google address being spoofed on my computer?

I might use some inappropriate terminology because I am no expert, but please feel free to correct me where it is needed. I believe that a process has modified some network file on my computer, like ...
6
votes
4answers
426 views

DNS spoofing of linux distribution repositories

Question(s) Is it possible to "redirect" linux-update-repos via DNS spoofing (e.g. DNS cache poisoning) to a malicious website, so that harmful software (updates) will be installed, when running the ...
2
votes
0answers
74 views

Does DNSSEC provide signed statements that a certain domain does NOT yet support DNSSEC? If not, why not?

In my security class with David Wagner, we talked about some of the reasons why DNSSEC is not widely adopted right now. One of the reasons was that for backward compatibility reasons, clients need to ...
4
votes
1answer
588 views

Is DNSSEC immune to stripping signatures?

In my opinion, it should be possible to forge DNS reply so it doesn't include DS/RRSIG/... parts for any request, thus bypassing DNSSEC validation of resolved domain. Is DNSSEC system immune to this ...
2
votes
2answers
2k views

DNS cache poisoning in LAN without MITM

Many questions have already been asked about DNS cache poisoning (aka Kaminsky attack), however I couldn't find a clear answer to my question: Is DNS cache poisoning possible in a LAN, without ...
7
votes
1answer
1k views

DSL Modem Compromised?

Just found out that the primary & secondary DNS servers have been changed to 95.211.156.101 & 5.45.75.11. I had the following setup in place. MAC filtering and WPA2 for WiFi. ...
3
votes
1answer
548 views

How does a client know that a DNS zone is DNSSEC protected?

Recently, I've been reading about DNSSEC and how it works. I found other questions and some very interesting answers on this and other websites related to this matter. However, I have a question to ...
2
votes
1answer
1k views

What is Open Resolver Project and how does it solve DNS reflection attacks?

What is Open Resolver Project and how does it give a solution for DNS reflection attack? I also read that Open Resolver Project follows BCP38. What is BCP38?
1
vote
1answer
197 views

DNS queries to compromise DNS cache

The transaction ID for DNS queries can take values from 1 to 65,536 and my computer pseudorandomly chooses one for each DNS request. If I sents 1,024 false replies per request, how many requests ...
6
votes
2answers
6k views

How effective is the iOS “Send All Traffic to VPN” setting at deterring Wifi-based attacks?

iOS version 5 and newer has a setting for VPNs to "Send All Traffic" over that VPN. I think that sending all data to a trusted VPN target would ensure privacy of all communication sent over that WiFi ...
2
votes
2answers
3k views

Is this a valid Windows update page

In my chrome browser if I google for Windows Update the first hit is windowsupdate.microsoft.com/‎ When I click on it I am redirected to ...
14
votes
5answers
3k views

Can I avoid DNS spoofing by typing the IP address?

The question is in the title. I have been reading about DNS spoofing. What if I were to save the IP addresses of websites I consider sensitive and then just enter the IP address when I am using a ...
6
votes
6answers
9k views

Why can't we block DNS Amplification attack by blocking UDP packets or DNS response packet?

I mean if the attacker tries to ask all the open DNS resolver respond to a web server. The web server can just block its UDP ports. If the all the DNS response go to a Authoritative ...
2
votes
1answer
1k views

External network DNS spoofing

I've been thinking recently if its possible to DNS spoof an external network. Let's say for example you are attacker.com and your victim is of course victim.com. Then I've thought of 2 scenarios: 1. ...
8
votes
1answer
12k views

DNS Spoofing vs DNS Cache Poisoning

What is the difference between DNS Spoofing and DNS Cache Poisoning ??? It seems like there are little differences between two attacks, with an exception that DNS server is actually might cache the ...
3
votes
1answer
507 views

Why is a separate reconnaissance server needed for DNS cache poisoning?

I'm trying to understand how Metasploit's DNS BailiWicked Host Attack module works. One of the required module options is a "reconnaissance" nameserver (option RECONS). What I understand from the ...
6
votes
2answers
1k views

Should content delivery depend on FCrDNS (forward-confirmed reverse DNS) look-ups and why?

First, let me clear that this isn't a duplicate of Does deliberately wrong information from a DNS server violate standards generally accepted good practices? thread, as I'm not interested in legal ...
6
votes
3answers
1k views

Does NAT break source port randomization?

The standard defense against the Kaminsky attack is to use source port randomization for all DNS requests. Does NAT break the security benefits of source port randomization? In more detail, consider ...
2
votes
1answer
608 views

Ettercap (dns_spoof)

I need to prove to my boss that he has a vulnerability to a mitm vector on his network. To do so I have been trying to configure ettercap with dns_spoof as an example. When I run the attack on myself ...