About a week ago I configured my smartphone Access Point Name (APN) of the type APN protocol from including the value
IPv4 to including the value
IPv4/IPv6, all IP addresses I recognized for my smartphone were IPv6 addresses.
I didn’t change the value for the APN type APN roaming protocol → its value is still
I understand I can now have both IPv4 addresses and IPv6 addresses but the purpose of the following question is to understand the tendency I personally recognize for IPv6 (only?) addresses for my smartphone.
Why since I configured my smartphone APN protocol to IPv4/IPv6 I (might) only have IPv6 addresses? Is it a coincidence or the cause of some global standard cellular operators are now following?
For a few days now one of my websites (a local travel guide) has been getting a massive number of hits from Chinese IP addresses. This is to the point that my log files are 10 times bigger and my modsecurity log is over 100 times bigger than usual.
The IP addresses are very fluid. I currently have over 5,000 banned in Fail2Ban, and this is with a China-based IPv4 block in the htaccess.
The user agents for these hits are nearly all either LieBaoFast, MQQBrowser, Mb2345Browser or MicroMessenger.
The pages they are hitting are a dynamic search page e.g. search-accommodation?param=1¶m2=2 However, they are calling loads of parameters – which puts extra stress on the server.
So, my question is why? Basically what is going on? I can’t see scraping my (affiliate generated) accommodation listings are of benefit to anyone, and if it is some sort of DDOS that’s even weirder as this site isn’t even important to me?!
I am not going to specify the model of router, because I’m looking for universal solution, presuming that I am inside Local Network.
1) Obvious way to do that would be by sending Syslog, most TP-Link routers has page where you can hourly email to external email address. And all syslogs in routers are definitely consist those Mac addresses. Problem with this method – that most ISP block port 25 for outbound connections – so you can’t use any external SMTP servers (only internal SMTP servers which are absent in most guest networks)
2) Less attractive way is bringing your laptop and asking wifi password. I call it less attractive because it requires physical presence with a laptop inside Local Network (being connected as a guest to WiFi router)
3) Another way is using Android apps which scan mac addresses which also requires physical presense
4) And of course using Dynamic DNS to connect to router. But most ISP’s are put the routers behind NAT and multiple vLANs so that you couldn’t access that even from within internal ISP network.
5) Also if you exclude your ability to use OpenWRT or other custom firmware – because it is time-consuming and too much physical presence requiring process.
6) But it could be useful to include some $ 10 devices which could collect that info by always being inside the wifi network (is there such devices accessible in Chinese electronics markets?)
Am I missing some obvious ways to spy on mac addresses on someone’s wifi network?
I ask this question, because I want to understand all ways someone might use to leak mac addresses of those devices from internal network with cheapest wifi routers.
https://findemailaddress.co allows you to connect with the decision makers in manner of minutes with most precise and accurate results.
I’ve noticed an increasing trend among companies (especially smaller companies and agencies) to have a “firstname.lastname@example.org” email address as the initial point of contact. My understanding of this is that it helps to promote a friendly, human side to the address.
My question is – has there been any research done to back this up? Has anyone shown that this makes people more comfortable (and therefore more likely to get in touch), or is it simply another fad?
I have a website that is being hit with invalid URL requests by thousands of distinct IP addresses, never the same one used twice. Most of them are in a few ranges of IP addresses and often just go up sequentially.
Could this be a zombie botnet of compromised devices, or is it possible the attacker is spoofing these addresses?
The clustering of IP addresses into a handful of ranges seems inconsistent with what I would expect from random devices across the world being compromised and part of a botnet.
User agents are all legitimate and quite varied, but I know that is simple to spoof.
It doesn’t feel like a DDOS attack as it is “just” a few thousand per hour. If they really wanted to DDOS it seems like they would crank the volume up more. Once I adjusted some exception handling I was able to get my server to resume being responsive to legitimate use.
I suspect it is a malicious (poorly constructed) crawler/spider.
Is IP address spoofing easily done and common now in these scenarios?
Asked via google, but no relevant results. I’m guessing this is the right or a good category to ask in; move it if needed.
PS: wow; you don’t have a tag for e-mail??
I have been reading up on Buffer Overflows and NOP Sleds. I tried to use the exploit on an example target and I got stuck because I needed to inject a null byte in the return address for my BP so that my program does not crash. I have become aware of the fact that it is not possible to call a C program from command-line with a string that contains null bytes.
So, my questions is how to perform a buffer overflow in case the target memory address contains null bytes? Also, this would make NOP sleds as useless because the return address would contain null bytes as well, right?
Because I am completely new to C programming and exploitation in general it might be that I overlooked something obvious like zeroing out a part of memory after injection to construct a valid memory address but google search did not yield any understandable results for me.
At last, it is always the case that a stored memory address in memory ends with a null byte? Based on my observations I assume this is necessarily the case but there might be other options to interpret stored data as memory addresses without a null byte at the end.
Is there a way to get IP addresses of devices that are accessing SharePoint documents from One Drive for Business and SharePoint that were shared via anonymous links?
I’m guessing, we can get this information by going over the Audit reports?
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