Openvpn: Difference between revisions

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*[http://forums.gentoo.org/viewtopic.php?t=233080 Openvpn howto]
*[http://forums.gentoo.org/viewtopic.php?t=233080 Openvpn howto]
*[https://www.thegeekpub.com/271035/openvpn-mtu-finding-the-correct-settings/ Fixing MTU settings for Openvpn]
*[https://www.thegeekpub.com/271035/openvpn-mtu-finding-the-correct-settings/ Fixing MTU settings for Openvpn]
=HOWTO=
==Using easyrsa==
https://community.openvpn.net/openvpn/wiki/EasyRSA3-OpenVPN-Howto
===Revoke certificate===
./easyrsa revoke someclient
./easyrsa gen-crl
Check crl
openssl crl -in -text pki/crl.pem
Check the serials numbers of the revoke certs
grep ^R pki/index.txt
==Push DNS to linux clients==
http://blog.milford.io/2011/02/setting-up-an-openvpn-client-for-ubuntudebianmint-cli-edition/
echo "up /etc/openvpn/update-resolv-conf" >> ~/client/client.conf
echo "down /etc/openvpn/update-resolv-conf" >> ~/client/client.conf


=FAQ=
=FAQ=
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==Push DNS to linux clients==
==TLS Error: local/remote TLS keys are out of sync==
http://blog.milford.io/2011/02/setting-up-an-openvpn-client-for-ubuntudebianmint-cli-edition/
First give it some time
echo "up /etc/openvpn/update-resolv-conf" >> ~/client/client.conf
echo "down /etc/openvpn/update-resolv-conf" >> ~/client/client.conf

Revision as of 11:37, 1 November 2022

HOWTO

Using easyrsa

https://community.openvpn.net/openvpn/wiki/EasyRSA3-OpenVPN-Howto

Revoke certificate

./easyrsa revoke someclient
./easyrsa gen-crl 

Check crl

openssl crl -in -text pki/crl.pem

Check the serials numbers of the revoke certs

grep ^R pki/index.txt

Push DNS to linux clients

http://blog.milford.io/2011/02/setting-up-an-openvpn-client-for-ubuntudebianmint-cli-edition/

echo "up /etc/openvpn/update-resolv-conf" >> ~/client/client.conf 
echo "down /etc/openvpn/update-resolv-conf" >> ~/client/client.conf


FAQ

NOTE: FlushIpNetTable failed on interface

This happens on windows, ignore it.


TLS Error: local/remote TLS keys are out of sync

First give it some time