IT Security Stack Exchange
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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.

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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What kind of protection does Port security offer?

I don't understand the benefit of port security (limiting the amount of MACs that can be connected to a single port of the router), what is the problem that motivates using this?
kutschkem
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Why does a strong router password matter?

A strong password is always better than a weak password, but even after reading this answer I am confused why a device password is needed in addition to the Wifi network's security key. Assuming that no remote access features are enabled, I believe…
Chris Ullyott
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Router flood with port scan from different ip

today I checked the log of my home router and I've found a series of port scan from different IP: [DoS attack: ACK Scan] from source: 90.1.69.89:1158 Monday, June 15,2015 11:12:14 [DoS attack: ACK Scan] from source: 54.172.3.106:57339…
Azazel
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What danger can brief LAN access to my router cause?

Today someone claimed to be a technician of my ISP and to take care of connection problems on our block. He entered my apartment and briefly (~3 s) connected a small box (size of a raspberry PI) with some LEDs to my router's LAN port claiming to do…
Zsolt Szilagy
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What are these incoming connections in my wireless router logs?

I am analyzing my incoming connection log from my Linksys E1000 wireless router. [Bonus points if anyone can tell me how long these routers store logs because I can't figure it out anywhere, so I can't really correlate well.] I have three entries.…
shift_tab
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"Rebuild" firmware on router

Is it possible to rebuild/make firmware for a router with a backdoor for attackers? I mean If attackers get access to a home router and they're make a new firmware with backdoor in case If I will change admin panel password?
Dmitry
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Someone used my router to set up their own network

This may be a stupid question. My router was unsecured for a while. We think the neighbors set up their own network using our router, creating a new network name, new wifi and router password. We have since secured (WPA2) our network, changed…
Lori Stephens
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I found an unknown ipv4 address on my router

I’m having issues with my sky router and my children’s access to inappropriate sites, I put blocked sites on my router and I’m now seeing an unidentfied ipv4 address trying to access the router for porn - the address is 100.103.216.0 All the other…
Anna Mack
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ZTE router antihacking option

I have a ZTE Modem router using it to get internet connection for a home PC, I opened the tab : security and under it choosed "firewall". I found that the option : "enable anti hacking" is unchecked. According to ZTE help, checking this option…
darroosh
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Should I buy separate devices for router/modem? If I do, would ISP have access to router firmware?

I own a router/modem combo (an Arris/Motorola). I have noticed that every time I change ISPs, the login interface of the router changes. I think this is because the ISPs push different versions of the firmware to the device. I wanted to ask: 1)…
Bruno
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Can a hacker see me changing my router password?

Let's say someone already knows my Verizon FiOS router password and has previously hacked me and maybe my computers at home. If I change my router password, couldn't they see me doing it and know what I'm typing in, thus being able to continually…
atrueidiot
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Does applying updates fix router vulnerabilities?

I just found some vulnerabilities (CVE's) on my device at an firmware version. If I apply the update is it enough to solve the problem? It's about DIR-600.
Ovifdiu COmrasdd
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CVE-2015-7547: glibc getaddrinfo stack-based buffer overflow

https://googleonlinesecurity.blogspot.co.uk/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html If I have an OpenWRT with default install, do I need to update, if we only count the threat from WAN/Internet side?
LoukiosValentine79
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Can someone access my computer if someone else on the same network allowed a hacker to remotely access his computer

Earlier today, my partner responded to a phishing attempt (I believe) that suggested he call a number to get his computer scanned for viruses. He called the number, and allowed them access to "scan" his computer. He doesn't store anything on his…
Vicky
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Router infecting my computers?

I received a new router from Verizon. A month or so after my PC couldn't get the Internet consistently. It started doing crazy things around the wireless issue. So I had it professionally cleaned twice. Installed all the best virus protection.…
cherie Davis
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