Following my previous question
How to plot the given graph (irregular tri-hexagonal) with Mathematica?
I need a 2D network of the Fig. $a$, something like Fig. $b$ with red points on all vertices. Since I have drawn Fig. $b$ manually, it is not precise and symmetric.
In this case, the blue and the violet edges have different lengths.
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I have this scenario:
I want to create a WiFi network for a hotel that the customers should pay to gain access to the internet.
I tried Captive portal, but captive portal is very vulnerable against MAC spoofing.
So I tried wpa2-enterprise without Captive Portal. But NAS(Access Point) in wpa2-enterprise doesn’t enforce any rule and each user had unlimited access.
Then finally I tried both together but after first authentication in wpa2-enterprise each user was able to change his/her MAC address to a any other user.
I’m using PFsense as RADIUS server and Mikrotik RB433 for Hotspot(Captive Portal) and wireless AP.
Is there any way to prevent users from impersonating to an authenticated user in WiFi network with Captive Portal?
Is there a reason that NAS in wpa2-enterprise doesn’t enforce any policy or something is wrong in my configuration?
These are the policies that PFsense generated in users file:
"amir" Cleartext-Password := "amir", Simultaneous-Use := "1"
Framed-IP-Address = 10.1.3.85,
Framed-IP-Netmask = 255.255.255.0,
WISPr-Bandwidth-Max-Up := 50000,
WISPr-Bandwidth-Max-Down := 50000,
WISPr-Redirection-URL := http://www.google.com,
pfSense-Max-Total-Octets := 10485760,
Exec-Program-Wait = "/bin/sh /usr/local/etc/raddb/scripts/datacounter_auth.sh amir daily"
And this is clients.conf file:
client "mik" {
ipaddr = 10.1.2.2
proto = udp
secret = 'admin123'
require_message_authenticator = no
nas_type = other
### login = !root ###
### password = someadminpass ###
limit {
max_connections = 16
lifetime = 0
idle_timeout = 30
}
}
I would like to try and better understand how to analyse the following situation (which is no longer occurring)
CPU pinned at 50% all night (100% of 1 core I suppose) according to Cloudwatch.
Network usage all night: almost completely flat at 1MB/5 mins
Http logs mostly empty.
My computer left on all night, connected to the instance with SSH and a database connection.
All of the above stops when I unplug my ethernet connection in the morning.
Has not occurred before, no longer happening.
I’m wondering if there’s a way to analyse the network usage by IP, port, or the cpu usage by process, retrospectively, or if there’s any other approach that I could use to learn more about what happened.
I am trying to make a 6lowpan network with raspberry pi device(s) and embedded systems. I enabled bluetooth_6lowpan (modprobe bluetooth_6lowpan and echo 1 > /sys/kernel/debug/bluetooth/6lowpan_enable) in both raspberry pi devices, where one is installed with radvd and configured as
interface bt0
{
AdvSendAdvert on;
prefix 2001:db8::/64
{
AdvOnLink on;
AdvAutonomous on;
AdvRouterAddr on;
};
};
I connected other raspberry pi (Pi 4, with kernel ver 5.4.83-v7l+) and an embedded device to this router (Pi W Kernel ver 5.4.79+). I can ping between devices and router from both sides, but unable to ping the one raspberry pi to the other embedded device through the router. Also I cannot open a socket between router and raspberry pi device (I can open an socket from embedded device and it can send data but not receive). This seems that raspberry pi is not forwarding any packets to the bt0 interface.
ip -6 route from both raspberry pi are below:
device
::1 dev lo proto kernel metric 256 pref medium
2001:db8::/64 dev bt0 proto kernel metric 256 expires 86263sec pref medium
fe80::/64 dev bt0 proto kernel metric 256 pref medium
default via fe80::b827:ebff:fe0e:8ee dev bt0 proto ra metric 1024 expires 1663sec hoplimit 64 pref medium
router
::1 dev lo proto kernel metric 256 pref medium
2001:db8::/64 dev bt0 proto kernel metric 256 pref medium
fe80::/64 dev wlan0 proto kernel metric 256 pref medium
fe80::/64 dev bt0 proto kernel metric 256 pref medium
.
Example Image of how it looks
We’ve recently started rolling out Salesforce to external locations, but for two of those, we’re seeing some strange issues with the Salesforce Outlook add-in seemingly not being rendered correctly when you’re on the internal network, if you switch over to the Guest network, which goes over the same internet breakout as the internal network, then it works. Also running Fiddler to debug it makes it work on the Internal network. So far I’ve tried packet tracing, running process monitor but neither has given me a definitive pointer to where the problem is. Also tested with different DNS, resetting the local network on the PC’s, created new firewall policies with all traffic allowed, even though the same policies work at headoffice.
With Fiddler making it work, it points to it being some interception or proxy with the local computer, but there’s no proxy configured for those networks.
A month ago I made a wrong manipulation in the Network settings of my computer and since then I cannot browse any websites nor use the Mail app when I connect to my office’s WiFi or at the local café. There, I need to connect to my phone’s 4G in order to browse and check my emails normally, which obviously consumes a lot of data. Another way to be able connect there is to use a VPN. But without the VPN activated, I’m unable to connect.
When I am at home, it connects normally. So there is somewhere some incompatibility with other networks. Is it a DNS or proxy problem ? How can I solve this ?
Please help !
I own a AVM Fritzbox 7430 router, which I have set to turn off the wifi signal at night if no device is active in the wifi network anymore. I have checked the logs and noticed that in fact it never turns off the wifi because my Macbook is still in the network. This is even though it is at sleep at night (closed lid). It even typically loses the connection once an immediately reconnects. I believe I have checked all relevant settings in the battery options and I also have set darkwake=0 in /Library/Preferences/SystemConfiguration/com.apple.Boot.plist but to no avail. It is really annoying because I expect the Macbook to disconnect from any network when it goes to sleep.
What else can I do to hinder my Macbook from staying connected or reconnecting to a wifi network while in sleep?
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