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Questions tagged [router]

A router is a networking device that routes forwards between networks. A router generally has two or more data connections allowing data to be routed between networks.

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Old Routers are what compared to new ones besides the 6E upgrade [closed]

Why would I need to replace my gig bit router with a new one? What do I gain from the new one when the network has not changed? Mac Filtering is necessary.
AmazingMaz's user avatar
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0 answers
29 views

Router getting several port scans and DOS a minute from foreign IPs. Should I be worried? [duplicate]

What Happened: I was looking at the logs in my router and saw that suddenly I started getting warnings about "port scan attacks" and "DDOS attempts" every few seconds from my ...
DaveCat's user avatar
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0 answers
407 views

How to perform focused scan of public IP using nmap? [duplicate]

Scanning my router using the private IP address using nmap reveals the open ports: Obtaining the public IP address of the router can be achieved by executing the command: nslookup myip.opendns.com ...
machine_1's user avatar
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1 vote
2 answers
163 views

If I did MAC filtering whitelist, what will happen with devices that weren’t add to list?

In my home WIFI router, I set MAC filtering for me and my family’s devices (about 6 devices). If some devices that weren’t in my MAC filtering whitelist, and they know my WIFI password and try to ...
Zensu TESUTO's user avatar
0 votes
1 answer
246 views

How to block 192.168.0.1 for connected clients?

I installed Raspberry Pi OS on a RPi 3B, then I installed NetworkManager, set the Ethernet connection to "Shared to other computers" and connected an ethernet cable between the RPi and a ...
Dzenis Zigo's user avatar
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0 answers
143 views

How to restore health of an hacked router(fritzbox)?

My fritz!box 5530 has been hacked. I know this because the upload is always very low under 10 mb/s also if my fiber connection would to be 1gb/s|300mb/s. And when you try router reset to factory ...
BlueHatJunior's user avatar
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0 answers
110 views

How does admin identify routers connected to a network?

In my campus, we are provided with a LAN port to each room to access the internet. Also, they didn't allow students to use routers in their respective room. The only way one can access the internet is ...
Corrupter's user avatar
4 votes
1 answer
1k views

How dangerous is sharing a WiFi network with neighbors?

Context. I am moving in to a building where neighbors share WiFi. There are several routers connected with each other, and residents connect to one of the WiFi networks. I was told it's cheaper that ...
Shelerra's user avatar
2 votes
1 answer
268 views

Does Routersploit install any malware or executables on my PC?

If I install Routersploit on my PC, would it install any malware or executable binaries as part of it to PC? Even though developers of Routersploit do not have any nefarious intention to add malware, ...
Ajay's user avatar
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1 vote
1 answer
206 views

Malware infection to wifi router from android phone

Suppose a wifi router has strong admin password, updated firmware and no vulnurability then - Is the router safe from malware infection from android phones connected to it? Can malware from an ...
Ajay's user avatar
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233 views

DoS attack in my home router's logs

I logged in to my router to try to figure out why my phone randomly keeps being unable to connect to my WiFi. I looked in the logs and saw 2 strange rows: [DoS attack: IP packet w/MC or BC SRC addr] ...
whatwhatwhat's user avatar
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1 answer
1k views

Can't ping my public IP from external network [closed]

I'm new to networking and I'm trying to scan my external IP from an external network. I first tried finding my public IP from whatismyIP.com. I assumed that my public IP would be my router's IP, but ...
EskimoJones's user avatar
0 votes
1 answer
2k views

Port 53 on my home router opened, why?

I couldn't find anything online so I'm here to ask experts. I've nmapped my public ip and I noticed all ports are closed but the 53. In the router's options upnp is disabled and the NAT rules are ...
Luca O's user avatar
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0 answers
749 views

UDP Port Scan Attack from a previously used IP address

Yesterday my internet connection is interrupted and I checked the logs. In logs, I saw 2 UDP Port Scan Attack happened a week ago. After a little bit of research, I convinced myself that it is common ...
mzt's user avatar
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1 answer
133 views

icmp smurf attack

I am learning about ICMP smurf attack and for this, I have forged a packet with the following details: source_mac_address = **??** destination_mac_address = router mac address char ...
Rajat Aggarwal's user avatar
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0 answers
131 views

Can rebooting a router clear any hacks done to it?

I manage a website for a club. I monitor the cPanel error logs to identify potential hackers that attempt to hack the website I maintain. Recently I have seen my IP address appear in the error logs ...
Darol's user avatar
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0 answers
122 views

Router network seperation when an (unknown) device is connected via LAN?

I share a router (Asus RT-AX58U) with my flat mate. Because the rooms are on different floors it is of no use for him to use the wireless network (he doens't have the password). He bought his own ...
Nigolaas's user avatar
0 votes
1 answer
316 views

Persistence after successful exploitation of a router

I'm "playing" with some of router at home (on an netgear for now). I successfully managed to get root shell access on it. The exploit starts /bin/utelnetd -pXXXX -l/bin/sh -ixxx -d on my ...
Balobiana's user avatar
1 vote
1 answer
363 views

VPN for accessing server behind home router

We have a server setup on our private network for various things. I'd like to be able to access services on this machine whether I'm at home, or on the road. Our provider is Starlink, which does not ...
slambeth's user avatar
  • 111
2 votes
3 answers
213 views

Why does having default router credentials pose a risk? [duplicate]

When I got to 192.168.0.1/login I am greeted with my router login page and can go change some settings. Now let's say I still have the factory default login something like "admin", "...
AskedSuperior's user avatar
0 votes
2 answers
195 views

How to avoid compromise of data connecting by compromised router?

Imagine that there is a PC you have physical access to, and a router you have no physical access to. Also no digital access to router. The router is for sure compromised and intercepting all packets ...
July's user avatar
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1 vote
0 answers
574 views

ISP-provided router sending constant ARP requests

A few weeks ago I changed my ISP provider and router at home. It is a small network (less than 10 devices). From a user perspective everything seems to work correctly, nothing notable. However, today ...
JDD's user avatar
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1 vote
0 answers
114 views

Is it safe/smart to reuse your router? [closed]

After a factory reset, would a router reuse the original Mac and IP addresses with it (even if I subnet)? I work from home and live in an apartment complex. Are there any sketchy mac tracing, spoofing,...
deletefb2023's user avatar
10 votes
1 answer
7k views

Is WPA3 mixed mode less secure than pure WPA3?

I want to use WPA3 alone, but it seems that a lot of devices I have only support WPA2, so I have to enable WPA2 in one way or another. Currently, I have created two Wi-Fi networks on the same router: ...
Damn Vegetables's user avatar
1 vote
0 answers
31 views

How easy is it to target a subnet behind a router? [duplicate]

I would like to know how difficult it would be for an attacker to reach a subnet behind a router once he gained access to the router. For example, the router would be on 200.1.1.3 and the subnet on ...
noto77's user avatar
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0 votes
2 answers
2k views

What can be intercepted more easily, WiFi or Ethernet on a fully compromised router?

Assuming my router is compromised and someone has full access to it, which is easier to intercept: WiFi or Ethernet traffic? We're talking about only SSL traffic here.
noto77's user avatar
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2 votes
2 answers
283 views

What is the name of the box that hackers connect to a router in order to spy on all your traffic?

I watched a documentary where hackers entered a victim's house by pretending to be from the ISP and then connected a box to a router in order to spy on all of the victim's traffic. Later, the hackers ...
Noodler's user avatar
  • 23
0 votes
1 answer
229 views

Can a malicious WiFi router open a malicious website without permission?

Can a malicious WiFi router that doesn't have a login page open a malicious link without my consent to hack my computer by simply connecting to it? What about one with a login page? Can it open the ...
User4857's user avatar
0 votes
1 answer
232 views

Can attacker gain access to my private network application through pivoting and/or lateral movement?

I am using a public wifi network. When I start a nodejs express server at my local system at port 3000, I can access that website on another device (that is connected to the same public wifi network) ...
an0nhi11's user avatar
0 votes
1 answer
869 views

Can Wireshark or other packet sniffers be used to decrypt https sites of someone else?

Does Wireshark(packet sniffers in general) let you decrypt someone else's https sites, or only your own? For example if the router is hacked can a packet sniffer give the attacker the ability to ...
borok's user avatar
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0 votes
0 answers
394 views

How do you secure a Windows 11 PC connected directly to modem without a router?

I saw this post but it focused more on Linux. It sounds to me that the main thing that makes using a router more secure is the fact that it blocks any inbound stuff, which sounds simple enough to set ...
Technoid's user avatar
1 vote
2 answers
225 views

How to setup internet connection in a way vpn logs would think I'm logging from different country

I have a company laptop which uses a Cisco VPN to log in to the company network in order for me to work. How do I configure internet I'm using at home in a way where Cisco VPN logs, or another log ...
kaldes's user avatar
  • 11
-1 votes
3 answers
193 views

Why don’t routers request permission when attempting to connect to an unknown address? (Or why do they still assume every connection is trustworthy?)

I’m imagining a system similar to UAC on Windows but implemented at the router level for IP addresses instead. (Or AS numbers, BGP numbers, Port number, etc…) Naturally this makes router setup ...
M. Y. Zuo's user avatar
0 votes
4 answers
951 views

If your router gets hacked, can the hacker acquire your RSA private key to decrypt HTTPS and view full URL's?

In order to decrypt HTTPS you need the public key and the private key. How can a hacker acquire the private key? What exactly does he have to do to get it? I read that they use packet sniffers like ...
Marecz's user avatar
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1 vote
1 answer
262 views

What is the security impact to using a port different from 443 for HTTPS in my router

Are there any advantages or disadvantages for the security when using a non-standard port (i.e. not 443) for HTTPS in my router?
127 001's user avatar
  • 56
2 votes
3 answers
7k views

If someone knows your wifi password can they hack your router?

What exactly can someone do if they know your Wifi password? Can they only see which sites you visit or can they do more? Are they able to hack(router) and do malicious things with your router just by ...
Antonio55's user avatar
1 vote
1 answer
10k views

Any Cloudflare's DNS over TLS (DoT) check + DNSSEC test?

In my original question from 2020, I was unsuccessful in my effort to setup Cloudflare's (link to docs) DNS over TLS (DoT) (link to wiki) in my old, and now decomissioned, router: Does Cloudflare'...
Vlastimil Burián's user avatar
0 votes
1 answer
207 views

The router (that my PC is connected to) is continuously attempting to connect through TCP80. What would be the reasons?

I have no access to the router nor do I have any administrative access to this local network. But every 5 minutes the router attempts to connect to my PC through port 80/tcp, and it attempts exactly 4 ...
LargeRat's user avatar
1 vote
2 answers
1k views

Is an Ethernet FTP server on a local network safe if an attacker can't access the router?

I'm having trouble understanding certain security concepts and I was wondering if someone could help me out with some questions. Imagine this setup: A home router with a very strong password, that ...
LukeSmith's user avatar
1 vote
1 answer
1k views

Can my ISP router, which is set in bridge mode be theoretically hacked or is the risk at the router behind the "modem"?

I am using an ISP provided router in bridge mode with my own router. Where is the risk of getting hacked? Can my ISP provided router in bridge mode (=modem) be hacked? Can it get firmware updates ...
Sir Muffington's user avatar
0 votes
1 answer
242 views

The practicality that a home network / router gets compromised

I know that it's theoretically possible that a router can be hacked, and malware can be spread throughout a network merely by being connected to it. However, I'm wondering what exactly the chances of ...
aslingaboutsec's user avatar
0 votes
0 answers
358 views

Detecting and preventing ARP spoof/sniff/poison mixed with MAC spoof with an ISP router

To protect me from ARP spoofing, I tried most of the programs spread here and there and read most of the scientific papers on this subject, but I found a lot of ignorance and evasiveness to hide a ...
Badr Elmers's user avatar
1 vote
1 answer
367 views

Data breach for my router in chrome

I have just logged into my router in Chrome, Win 10. I got this warning. I immediately changed the password. But I have several questions. Is the message reliable, in the sense that the breach ...
sancho.s ReinstateMonicaCellio's user avatar
0 votes
1 answer
6k views

Is enabling software flow-offloading in OpenWRT's firewall settings dangerous?

First of all, I did ask this on OpenWrt Forums already, I thought maybe someone here knows this. I noticed that my internet speed gets limited when this feature is not enabled, this feature is also ...
Sir Muffington's user avatar
0 votes
1 answer
4k views

Would disabling all Application Layer Gateway settings increase security?

I was looking for ways to harden the security on my TP-Link router and found the ALG (Application Layer Gateway) settings under the security section. I have disabled the following: PPTP Pass-through ...
CassieB_1booi's user avatar
1 vote
1 answer
219 views

Securing home network when not controlling the router

I have just moved to a new place and the router is controlled by the managing company, what can I do to improve my security and my anonymity under this constraint?
Jack's user avatar
  • 13
0 votes
1 answer
161 views

Can a wifi Access Point be reconfigured to receive other radio signals?

Say we have a remote transmitter that is not connected to a wifi router (neither wirelessly nor by cable), but which transmits information using electromagnetic waves. Examples include walkie-talkies, ...
RLR's user avatar
  • 1
2 votes
1 answer
309 views

How to handle a router from an apparently security-indifferent ISP with no possibility to switch?

My ISP's security strikes me as... somewhat alarming to my admittedly non-expert eyes. They store wifi passwords in plaintext on their website and allow changing it there - this is apparently meant to ...
KeyboardCat's user avatar
1 vote
3 answers
843 views

Can my employer see what I do on the internet when I use a VPN webbrowser plugin extension?

I have a professional laptop for working at the office and at home. There is a VPN to connect to my work network. I know that my employer can see which URL I visit even in incognito mode because all ...
furtado's user avatar
  • 11
1 vote
2 answers
247 views

Will a compromised cable modem inherently compromise any router connected to it under any router config?

I’m planning on setting up a network with a custom-built router with pfsense. If I assume the cable modem connected to the router is compromised can a properly configured router ensure security or do ...
Anon's user avatar
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