Pejman Moghadam / Debian

Debian 10 - Internet access through SSH

Public domain

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Scenario

Server: A machine with SSH server that you can connect from Client, but does not have Internet access.
Client: A machine with SSH access to server and has Internet access.
Objective: Provide Internet access to Server through Clients SSH tunnel.

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Server: add to /etc/ssh/sshd_config and restart ssh service

PermitTunnel yes

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Client: connect to server

ssh root@192.168.1.10 -p22022 -w0

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Client: router settings

ifconfig  tun0 1.1.1.1 netmask 255.255.255.0
echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -o ppp+ -j MASQUERADE

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Server: Gateway settings

ifconfig  tun0 1.1.1.2 netmask 255.255.255.0
ping -c 4 1.1.1.1
route add -net <client network> gw <old gateway>
route del default
route add default gw 1.1.1.1

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BY: Pejman Moghadam
TAG: ssh, sshdconfig
DATE: 2021-05-26 01:20:35

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Pejman Moghadam / Debian [ TXT ]