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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": "...
sschober's user avatar
  • 101
1 vote

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 ...
Jason Carter's user avatar
3 votes

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 ...
Mircea Vutcovici's user avatar
1 vote

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 ''ll see that the input interface is the bridge, ...
larsks's user avatar
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1 vote

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 ...
symcbean's user avatar
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0 votes

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 ...
m. vokhm's user avatar
0 votes

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 ...
Salar's user avatar
  • 162
0 votes

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] ...
ulrich17's user avatar
0 votes

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:
Vishnu's user avatar
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0 votes

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 ...
A.B's user avatar
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