61 votes

Temporarily disable WLAN internet access for children, but allow it for adults

There are features in some routers that allow you to set up multiple SSID's and a wifi schedule. If your router has these features, you can set up 2 wifi networks with different SSID's and different ...
abdou dz's user avatar
  • 569
31 votes

Temporarily disable WLAN internet access for children, but allow it for adults

Oh yes. The ability to provide a second or "guest" network is a feature of many home WiFi routers. If you ever go into a business and you see two WiFi networks: JPS-Private Joes Pizza Shack ...
Harper - Reinstate Monica's user avatar
28 votes

Temporarily disable WLAN internet access for children, but allow it for adults

I appreciate this is a tech questions site, and you’ve asked an appropriately on-topic question. However, I believe you’ve asked an XY question and this is actually a parenting problem, not a tech one....
Darren's user avatar
  • 2,732
24 votes

Can an ISP see private IP addresses?

But does that happen with private IPs also? I mean, like, the ISP of the wifi router sees and keeps a log about exact which packets from which website is being sent to which eaxct device connected to ...
u1686_grawity's user avatar
20 votes
Accepted

Can a Windows 10 Machine that has both an Ethernet NIC and a Wi-Fi NIC get Internet via Wi-Fi, and Provide it to Another Device via Ethernet?

Yes, you absolutely can! IMHO, this used to be easier before Microsoft changed all of the settings applications but it can still be done. Open Windows Settings (click Windows Menu, click Settings ...
Señor CMasMas's user avatar
19 votes
Accepted

Why, if I am connected via Wi-Fi and send a packet to another device in the same Wi-Fi, the dest MAC address in the link layer is not the AP's?

You're seeing an emulated Ethernet header that's provided by the OS (or by the Wi-Fi adapter's firmware; I am not quite sure which). The real 802.11 header is deliberately hidden from you, and the ...
u1686_grawity's user avatar
18 votes

Can an ISP see private IP addresses?

The simple answer is "not in most cases" - however the total answer is a lot more nuanced. In the common case where a router is doing NAT, and where the ISP has no login to the router and ...
davidgo's user avatar
  • 70.3k
16 votes

Wireless connection: Link Quality: What does "31/70" indicate?

In the code for iwinfo, a newer tool similar to iwconfig, is a comment that states: /* The cfg80211 wext compat layer assumes a signal range of -110 dBm to -40 dBm, the quality value is derived by ...
15 votes

Temporarily disable WLAN internet access for children, but allow it for adults

If your current router does not support two wifi networks / passwords, then it might be cheaper & easier to just use a second router with a different password for it's wifi. Sometimes old used ...
Xen2050's user avatar
  • 14k
13 votes

Choose specific access point in a multiple access point WIFI network sharing SSID

You can do this in NetSetMan: http://www.netsetman.com/en/wifi The software is free for personal use. Main menu -> Tools > NSM WiFi Management Choose the AP you'd like to use and connect.
Simon Steinberger's user avatar
12 votes
Accepted

Are different WiFi chipsets manufactured for use as a station vs an AP?

Yes, there are chips that are specifically targeted for use in an AP (note: what laypeople and marketers call a "wireless router" is an AP that includes router functionality), and there are ...
Spiff's user avatar
  • 104k
10 votes

Which 5Ghz channel to use?

The best channel to use is the lowest channel that has a high transmit power. Lower frequencies penetrate walls more easily, and there is a significant difference between channel 36 (5180Mhz) and ...
CpnCrunch's user avatar
  • 201
10 votes

How to get the MAC Address and signal strength of nearby wireless devices?

Well Everybody answered the Question for Windows Platform only. So, I thought It would be useful to answer for Linux Platform too. On Linux you can do the following: Getting MAC Address of Devices ...
C0deDaedalus's user avatar
  • 2,550
8 votes
Accepted

A wifi AP with a single NIC

In case anyone comes here to identify "STA/AP BI must match": The kernel source in include/net/cfg80211.h, in particular struct ieee80211_iface_combination, says * @beacon_int_infra_match: In this ...
dirkt's user avatar
  • 16.8k
8 votes

How to find the MAC address of access point that working on a roaming system

This is old - curious to hear what you came up with? I know you asked Ubuntu, but this may help some: On Windows you can list every visible BSSID (usually BSSID == MAC) using: netsh wlan show ...
Richard's user avatar
  • 81
8 votes

Temporarily disable WLAN internet access for children, but allow it for adults

The other answers already cover the "multiple password" part of your question. Let me give you an alternative, which still covers the problem you're facing: Parental Control Depending on ...
Nolonar's user avatar
  • 2,849
7 votes
Accepted

Proper way to connect access point to a router (both potentially using DHCP)?

You likely don't want both DHCP servers running, unless you want the devices in a different subnet. Having different SSIDs is just an identification to the wireless point you're joining. As far as ...
Jonno's user avatar
  • 21.2k
7 votes
Accepted

What is PMKID? Why would even a router give away the PMKID to an unauthorized stranger?

What I don't understand is the PMKID, What is it? PMKID is the unique key identifier used by the AP to keep track of the PMK being used for the client. PMKID is a derivative of AP MAC, Client MAC, ...
harrymc's user avatar
  • 475k
6 votes
Accepted

How to set up a Windows 7 laptop as a bluetooth access point?

The reason you do not succeed with creating a Personal area network over Bluetooth is because you are using the Microsoft Bluetooth stack. Using this stack, it is not possible to use Internet ...
harrymc's user avatar
  • 475k
6 votes
Accepted

My ISP is creating a second Access Point on my router, how can this be?

With WiFi, you can have multiple networks on the same channel. They are separated by their SSID (name) and BSSID (MAC address). It’s like VLAN tagging, only mandatory. These networks can be served by ...
Daniel B's user avatar
  • 62.4k
6 votes

Cannot connect to the wireless access point: association timed out

I had a very similar issue today. What fixed it for me was changing a configuration of the NetworkManager: Edit file /etc/NetworkManager/NetworkManager.conf(the location may vary, depending on your ...
Mosty Mostacho's user avatar
6 votes
Accepted

WiFi camera connects to network without needing password. How?

I've attached several (non-camera) devices like this, such as the Amazon Dash Button. The Dash creates its own Wifi AP temporarily, and the Android connects to it and updates the configuration. The ...
Jason Martin's user avatar
6 votes

WIFI - Single radio acting as AP and AP Client simultaneously

Yes, it can be done (depending on Wi-Fi device capabilities). I believe "Wi-Fi Direct" turns it into an official feature (e.g. a TV simultaneously acting as a station on the home network, and as ...
u1686_grawity's user avatar
6 votes

Why does my router broadcast a ghost SSID at the same frequencies and strength with my defined SSID?

Probably a mesh backbone. If you were to install compatible mesh access points, they would use this hidden network to communicate.
gronostaj's user avatar
  • 56.8k
6 votes

How to create an Access Point on Windows 10, bridged to the physical ethernet? (not NAT, not a hotspot)

Unfortunately, the days of netsh hostednetwork are over. Microsoft introduced a new model for WiFi drivers and this new model does not support this feature anymore. Intel says the following: Newer ...
Daniel B's user avatar
  • 62.4k
5 votes

Connect to Wi-Fi access point with specific MAC address

I found that WifiInfoView is able to do this on Windows 10. The portable application shows you all WiFi access points it can see, with their BSSID and other information. You can select the BSSID you ...
Saaru Lindestøkke's user avatar
5 votes

How can I control switching between wireless APs on Linux?

Roaming between access points is managed by wpa_supplicant, so to switch to a particular access point without dropping the connection for longer than needed, use wpa_cli roam. For example: rav@fred:~$ ...
richvdh's user avatar
  • 151
5 votes

Is it better to choose a more-crowded WiFi channel or one with a strong competitor?

You know how many APs are on each of those channels, but you don't know how much traffic each one is sending/receiving (an idle AP doesn't use much airtime), and you don't know what non-802.11 ...
Spiff's user avatar
  • 104k
5 votes
Accepted

How do I get hosts to access each other on a LAN when they use an access point?

First, fix your security. Enable WPA2-PSK (a.k.a WPA2 Personal) AES-CCMP ONLY. No original WPA or TKIP. Do this on both APs. Mismatched security modes can break multicast and broadcast, which can ...
Spiff's user avatar
  • 104k
5 votes

Same SSID on router and Access Point?

I felt the need to post an answer too to clear out the small inaccuracies from the other answer. (sorry, not meant to be rude) You mention two choices. Use it as extender Use it as separate ...
Bas's user avatar
  • 100

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