All Questions
Tagged with linux networking
4,773
questions
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21
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How to communicate across network segments?
I have two hosts, A and B, which are connected to the same router via Ethernet.
A's IP address is 192.168.3.100, but I don't know B's IP address.
I want to scan B's IP address through A, but B's ...
- 1
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46
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Pure-ftpd set up for TLS "AUth command unsupported"
I enabled TLS on pure-ftpd as per instructions. Created DH file, installed certificates, increased the logging level.
Now, when connecting from filezilla, I receive a hello stating that TLS is enabled/...
- 1
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13
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WANem Emulator and two VM hosts configuration
enter image description here
The below are the configurations I made ,
`
WANEM IP - 192.168.1.111
255.255.255.0
Client
Windows IP - 192.168.1.10
255.255.255.0
Default gateway - 192.168.1.111
It is a ...
1
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0
answers
18
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NetworkManager link-local fallback connection fails when setting MAC address
I'm trying to create a fallback to a link-local ip address in linux NetworkManager if the DHCP fails.
Currently I'm trying to set it up like in this answer (two connections in the same interface, one ...
- 131
1
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0
answers
16
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QNX Momentics IDE won't connect to Qemu virtual target (Linux host)
I'm trying to set up the dev environment for QNX SDP 8 in Linux. But for some reason I can't get the virtual target to work.
I sourced the QNX env script and called the check-net script before ...
- 111
0
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0
answers
19
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Allowing use of nebula mesh network and commercial VPN simultaneously (Linux -- Ubuntu 22)?
I'm attempting to configure a server that can access the web over VPN (specifically Mullvad VPN) while simultaneously allowing access to other nodes on a nebula mesh network.
I've made some decent ...
- 1
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53
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Why isn't 127.0.0.1 in a list of known hostnames by default?
I was running an ansible script on a huge inventory of hosts, the inventory contained the IP address of the ansible control node itself, let's say 10.1.1.1
So naturally a bizarre situation happened: ...
- 101
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46
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Access domain through another server (like tunneling?)
Is it possible, to route all traffic to and from abc.com on vserver-A through vserver-B?
vserver-A and vserver-B are both simple debian VMs on the internet
vserver-A should normally use the internet ...
- 123
0
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answers
16
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Use OpenVPN /dev/net/tun from an LXC in other LXCs
In proxmox I have passed /dev/net/tun to a LXC with debian than just runs openvpn.
To pass the tun I add to /etc/pve/lxc/XXX.conf
lxc.cgroup2.devices.allow: c 10:200 rwm
lxc.mount.entry: /dev/net dev/...
- 118
0
votes
1
answer
18
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fail2ban iptables rule has no effect for SoftEther VPN ... unless sshd rule is place
I am completely perplexed as to why this doesn't work.
This is my bare iptables ruleset:
# iptables -L -n
Chain INPUT (policy ACCEPT)
target prot opt source destination
Chain ...
- 589
0
votes
0
answers
20
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Chaining two WireGuard interfaces
I have an Ubuntu VPS running WireGuard server (set up with algo). I connect this server to another VPN (Hide.me).
I want clients of my VPN to have IP of Hide.me VPN, but clients of my VPN lose the ...
- 11
1
vote
1
answer
31
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How to set up routing and firewall to achieve the desired result in this specific scenario (selective routing through wg tunnel)?
I have 2 linux computers connected via wireguard over the internet.
Their wg configuration is as follows.
Computer1:
[Interface]
PrivateKey = <computer1-private-key>
Address = 10.6.0.2/24
...
- 13
0
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0
answers
19
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Trouble Setting Access Point 2.4GHz Orange Pi Zero 2
I'm setting up a WiFi Access Point using bridge mode. I successfully configured the bridge mode and it's working. Then, I managed to set up the WiFi Access Point for 5GHz as well. But why did I fail ...
0
votes
1
answer
24
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Multiple netcat connections in old version of linux
I'm running a 32-bits old version of CentOS in a offline LAN network. I'd like to setup communication between all hosts, pretty much like nc -l 5555 + nc <ip1> 5555 works. Well, I'm aware that ...
- 33
1
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1
answer
57
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10 gig PCIe network card won't come up unless onboard 2.5 gig card is connected
I recently acquired a zimacube - its a N100 based NAS system. I've wiped the preinstalled zimaos and run a minimal install of ubuntu server 24.04 and made the usual changes I do on my builds for ...
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