Questions tagged [broadcast]
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36 questions
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nftables broadcast handling (meta pkttype broadcast and conntrack)
I am confused by the nftable's handling of broadcast packets and their responses. This is about the NetBIOS name resolution.
nmblookup sends a packet to 192.168.115.255:137. The expression meta ...
- 94.8k
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Tinc and broadcast for old games
I want to understand how to set up broadcasting correctly for old games. In particular, I'm interested in the game Warcraft 3, which runs on the local network and searches only for those games that ...
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How to send UDP broadcast datagrams to port below 1025?
Scenario
I'm trying to send a UDP datagram message with socat to a broadcast address.
On the receiving end this is how I'm running socat (with root privileges):
socat UDP-LISTEN:1011 -
I'm trying to ...
- 12k
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Forward UDP Broadcast packet with nftables
In my network I have an OpenWRT Router with nftables in it. I also have a gaming server who is in its own network (192.168.36.x) and a client in another network (192.168.1.x). In the client I have an ...
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"Wall" but send text to local terminal, too?
I have tried wall, but it does not show the message to local terminal. Can I show it to local terminal, too? The remote SSH and the local GUI terminal are the same user account.
The reason why I am ...
- 1,559
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Looking for IP Addresses of devices connected
So the problem which I got was that I was shown a HiL setup with a lot of KVM switches and other computers connected. I was asked to check if say device A was working or not. By working I mean if it ...
- 1
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socat does not honor sourceport option
I am trying to send a udp packet from a specific port:
$ echo hello | socat - UDP-DATAGRAM:192.168.1.255:11111,broadcast,sourceport=22222
But a random port is used instead:
# tcpdump -vvvv -ttttt -...
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711
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What are all the IPs that I see in the result of `ip a`
So I issued a command ip a which list all the IP addresses. However I don't understand what all the other Ip addresses and details it printed. In this output I just understood that inet W.X.Y.Z/20 brd ...
- 321
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Is it possible to move broadcast and local routes in the local routing table to custom routing table without creating a name space?
I have a host with two interfaces. ens4 is mgmnt, ens3 is another network.
# ip -br a | sort
ens1 DOWN
ens2 DOWN
ens3 UP 172.16.10.1
ens4 UP 192.168.1.100
# ...
- 732
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My computer resolves itself to 127.0.0.1 instead of its outer ip
I recently installed dnsmasq in two of my machines. The service works all right but the trouble is that when consulted they return only their loopback ip.
@Machina ~]$ nslookup continua continua
...
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2k
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Raspbian - Permission Denied when broadcasting message
I am using the Elixir/ Erlang package on raspbian to try and build a simple UDP send/receive app. For information, I am using this tutorial.
When I try to send the UDP packet to the network on the ...
- 23
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840
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How to use `wakeonlan` with a VPN active?
Today, I've started using the PIA (Private Internet Access - Version 2.9) VPN service via their native application to set things up, everything works like a charm so far, apart wakeonlan some-mac-...
- 31.3k
3
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Send large file to multiple machines on lan with slow network cards
I have a large file(s) (say 10GB) that I want to transfer from one machine to many (say 50) identical machines connected to LAN.
It makes sense to me that transfering like this:
/--> 4 ...
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582
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CUPS and broadcast on Wifi
My CUPS server (Debian 10) propagates its shared printers on the switch it is connected to, to the PCs (Debian 9 & 10) connected to that same switch.
On the other hand, the propagation is not done ...
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Is there a way in linux to increase the MTU size of a Broadcast interface on linux to be able to send bigger UDP packets?
I am broadcasting UDP packets on a Bcast:192.168.1.255 of a wlan0 interface on linux. Its working well and I am receiving an UDP client written on another machine. I learnt that I cannot send a UDP ...
