Network – After changing the SSIDs, "Windows could not connect to the network" appears instead of connecting to the new SSID

A Windows computer is connected to a network and is used to change the SSID of the network through the management interface. After that, the user tries to connect to the newly named network and enters the network password correctly. However, the error message "Windows could not connect to the network" still appears. Other machines that were not connected before have no problems. How to connect the original device?

Some experiments:

First, I went to Manage Wireless Networks and chose Forget the old network by right-clicking on the old SSID and then on Forget. However, this is not enough. I also had to go to the registry and search

HKEY_LOCAL_MACHINE SOFTWARE Microsoft Windows NT CurrentVersion NetworkList Profiles

and below that was a list that I manually searched to find one with the description / profile name of the old SSID. I right-clicked the folder and selected Delete and then restarted the computer. I still can not connect.

routing – how to route from WAN to another third network behind LAN on pfsense

I have the following situation: I need to properly route the WAN network behind the Pfsense firewall on LAN2:

192.168.60.0/24 (WAN) <-> (192.168.60.90) pfSense (192.168.191.90) <-> 192.168.191.0/24 (LAN) <-> (192.168.191.1) Router (172.21.1.1) <-> 172.21.1.0/24 (LAN2) <-> 172.21.1.39 (TS server)

Network diagram WAN <> LAN <> LAN2

At the moment I am not routing properly and when I run the following tests from pfSense Diagnostics, I route LAN to LAN2, but not WAN to LAN2:

Source address: LAN

PING 172.21.1.39 (172.21.1.39) of 192.168.191.90: 56 bytes of data

64 bytes from 172.21.1.39: icmp_seq = 0 ttl = 127 time = 0.640 ms

— 172.21.1.39 ping statistics —

1 sent packets, 1 received packets, 0.0% packet loss

Round trip min / through / max / stddev = 0.640 / 0.640 / 0.640 / 0.000 ms

,

* Source address: WAN

PING 172.21.1.39 (172.21.1.39) of 192.168.60.90: 56 bytes of data

— 172.21.1.39 ping statistics —

1 sent packets, 0 received packets, 100.0% packet loss *

,

I've added the following settings to be able to route to LAN2 in LAN:

  • System-> Routing-> Gateways: LAN GW 192.168.191.1
  • System-> Routing-> Static Routes: 172.0.0.0/8> 192.168.191.1 LAN GW

The firewall rules allow all traffic in both directions:

  • PASS IPv4 * WAN network * * * * none: By default, WAN can be used for all
    rule
  • PASS IPv4 * LAN net * * * * none: By default, LAN allows any rule

Can someone help me to route WAN correctly on LAN2?

Thank you so much!

Flash Network – Is a channel automatically closed when an HTLC expires that does not have its own output in the commit transaction?

If routed Lightning payments are smaller than a certain amount, they will not receive their own HTLC output in the commit transaction. Instead, the reserved funds are used for transaction fees.

If there is an actual HTLC, it makes sense for the sender to close the channel and call it back when it has expired. However, it does not make sense to do the same if there is no real HTLC. The same applies to the recipient.

Is a channel still closed under these circumstances?

Set a macro before sending the log over the network with syslog-ng

I have created a syslog server and client. I want to set the client serial number in the SOURCE macro in all the logs sent to the server so that I can get the macro server-side and create the log file based on the client serial number. The following is my rewriting rule:

rewrite set_host{
    set("DEVICE_SERIAL_NO", value("SOURCE"));

};

log {source (s_src); rewrite (set_host); Destination (d_net); };

On the server side, I wrote the following configuration for the log file:

destination d_host-specific {
    file("/var/log/testlogs/$SOURCE/$YEAR/$MONTH/$HOST-$YEAR-$MONTH-$DAY.log");

};

But on the server side I get the value $ SOURCE as s_net. It looks like the SOURCE macro is overwritten server-side. How can a macro be maintained from client to server and used on the server side?

Algorithms – Intuition behind min cut in a flow network? Whether baseball removal or project selection

I was wondering if anyone could give me a general definition of a min-cut except the maximum flow of a network.

For example, in the baseball elimination problem, if we wanted to find out if Team z is eliminated, the Min-Cut represents the teams that beat Team z from 1st place when the edges are not fully saturated. When the edges are fully saturated, Min-Cut is all but t, and Team z still has a chance.

At project selection, the minimum cut includes the projects you should execute to maximize your return.

How do people find out that min-cut can be applied to these problems? What makes Min-Cut so powerful?

Thanks!

Wireless Network – Notification "Wifi Network Not Secure" with WPA2 Personal

There is a support article for this notification indicating that you may be using TKIP encryption on a personal WPA2 network.

… this can happen when you connect to a Wi-Fi network that uses WEP or TKIP for security reasons. These safety standards are older and have known deficiencies.

Make sure your router is set up to use AES encryption.

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Install Flash Network Bitcoin Howto

Do you

sudo apt-get install -y software-properties-common
sudo add-apt-repository -u ppa:bitcoin/bitcoin
sudo add-apt-repository -u ppa:lightningnetwork/ppa
sudo apt-get install bitcoind lightningd

If you do not want to add external repositories, you can retrieve the Clightning documents from https://github.com/ElementsProject/lightning/blob/master/doc/INSTALL.md because they worked fine the last time you checked and were copied here for Your convenience.

library requirements

You need several development libraries:

  • libsqlite3: for database support.
  • libgmp: for secp256k1
  • zlib: for compression routines.

For the actual development and execution of the tests you also need:

  • pip3: to install python-bitcoinlib
  • valgrind: for additional debugging checks

You also need a version of Bitcoind with separate certificate and estimatesmartfee economic node, such as the 0.16 or higher.

Build on Ubuntu

OS version: Ubuntu 15.10 or higher

Get dependencies:

sudo apt-get update
sudo apt-get install -y 
  autoconf automake build-essential git libtool libgmp-dev 
  libsqlite3-dev python python3 python3-mako net-tools zlib1g-dev libsodium-dev 
  git gettext

Clone flash:

git clone https://github.com/ElementsProject/lightning.git
cd lightning

Obtain additional dependencies for developing or running tests:

sudo apt-get install -y valgrind python3-pip libpq-dev
sudo pip3 install -r tests/requirements.txt -r doc/requirements.txt

Build lightning:

./configure
make
sudo make install

Running lightning:

bitcoind &
./lightningd/lightningd &
./cli/lightning-cli help

Note: You may need to include testnet=1 in the bitcoin.conf

Coordinate transformation – distance matrix within a neural network

So I want to create a NetGraph, which is a $ n times $ 3 (With $ n $ varying length) List of 3D coordinates as input and creates one $ n times n $ Distance matrix or one $ frac {n (n-1)} {2} $ List of distances between these points. I would run this net for two lists of 3D coordinates and feed the results into a MeanSquaredLossLayer. This would allow the neural network to learn to reproduce an array of points with the loss that is invariant with respect to shifts and rotations in 3D. However, I have only vague ideas about which modules to use. Maybe NetMapOperators and NetMapThreadOperators? If yes how? Thank you for the reply in advance!