New answers tagged linux-networking
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Docker pull: TLS handshake timeout
A lot of possible causes and solutions already here, but for me it was the docker daemon and its networking configuration:
docker network inspect 26d443779693
[
{
"Name": "...
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Creating a custom filter for fail2ban
I know this is an old question, but it still appears in search engine results, so here's a detailed answer.
For regular expressions, [ALR] and similar bracketed character strings have a special ...
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Accepted
Is it possible to configure a Linux/Ubuntu computer to be network silent?
You can make your machine completly silent with one of following solutions:
drop any outgoing packets from firewall
don't configure any IP addresses on interfaces where you want it to be silent
You ...
- 17.9k
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Filter packets with iptables on a tap interface
If you add a logging rule to your FORWARD table to capture any ICMP traffic...
iptables -I FORWARD -p icmp -j LOG --log-prefix 'FORWARD_ICMP '
...you'll see that the input interface is the bridge, ...
- 43.8k
1
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Accepted
Is it possible to setup a VPN that passes multiple ports through a single port tunnel?
That's pretty much what a VPN does - tunnels multiple connections through a single connection. There's no end of tool available to do this - including openvpn. However openvpn requires you to ...
- 21.5k
0
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Accepted
Debian + Strongswan: does not pass traffic from the Internet to the tunnel
It was my own fault. I was careless when setting up iptables and wrote eth0 without checking the actual interface name which was ens5 on that VPS. It's a stupid mistake that would not be worth ...
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Recover network connection from ubuntu 22.04 console after crash
Try to use eno1 and config it as your network interface ...
Network adapter naming can be changed buy Linux:
eth1 -> is the onboard Ethernet (wired) adapter on your Linux machine.
eno1 -> is ...
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Alma 9 Unable to make the interface DOWN at boot
I would try to ingore the interface:
nmcli device set ens224 managed no
If this work you can make it permanent:
create a keyfile: /etc/NetworkManager/conf.d/99-unmanaged-devices.conf
[keyfile]
...
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Alma 9 Unable to make the interface DOWN at boot
I am posting an answer which is worked for me. I think I will not be able to achieve this using NetworkManager as per redhat documentation:
https://access.redhat.com/documentation/en-us/...
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Route outgoing packets from VM to GRE tunnel from which income packets came from? (TCP flows)
There are two issues: handling marks properly, and missing routes.
mark and connmark
The routing stack knows about the firewall mark (aka fwmark aka mark). It doesn't know anything about Netfilter's ...
- 11.2k
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