Feature #12407: Use deferred client connections in OpenVPN - pfSense - pfSense bugtracker

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Feature #12407

closed

Use deferred client connections in OpenVPN

Added by Marcos M about 3 years ago. Updated over 2 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Marcos M

Category:

OpenVPN

Target version:

2.7.0

Start date:

Due date:

% Done:

100%

Estimated time:

Plus Target Version:

22.05

Release Notes:

Default

Description

New in OpenVPN 2.5 is the ability to use deferred client-connect. See Deferred client-connect:
https://github.com/OpenVPN/openvpn/blob/release/2.5/Changes.rst#overview-of-changes-in-250
"The --client-connect option and the connect plugin API allow asynchronous/deferred return of the configuration file in the same way as the auth-plugin."

This eliminates micro-outages on new client connections by deferring the connect script to another process. See:
https://community.openvpn.net/openvpn/ticket/1244

Details to implement this new functionality are outlined here; see --client-connect:
https://github.com/OpenVPN/openvpn/blob/master/doc/man-sections/script-options.rst

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Updated by Marcos M about 3 years ago

https://gitlab.netgate.com/pfSense/pfSense/-/merge_requests/402

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Updated by Jim Pingle about 3 years ago

Status changed from New to Pull Request Review

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Updated by Viktor Gurov about 3 years ago

Marcos Mendoza wrote in #note-1:

https://gitlab.netgate.com/pfSense/pfSense/-/merge_requests/402

#12321 and #12316 must be re-tested after this MR is merged

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Updated by Marcos M about 3 years ago

Status changed from Pull Request Review to Feedback
% Done changed from 0 to 100

Applied in changeset 7aaa20d95a345c4688e8786c755c7d0433451688.

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Updated by Jim Pingle almost 3 years ago

Target version changed from CE-Next to 2.6.0
Plus Target Version changed from Plus-Next to 22.01

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Updated by Jim Pingle almost 3 years ago

Status changed from Feedback to New

The commit for this, 7aaa20d95a345c4688e8786c755c7d0433451688 , broke static IP address assignments from RADIUS.

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Updated by Jim Pingle almost 3 years ago

Target version changed from 2.6.0 to CE-Next
Plus Target Version changed from 22.01 to 22.05

Commit reverted. We can revisit this in the next release.

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Updated by Jim Pingle almost 3 years ago

Status changed from New to Feedback

Applied in changeset 1f3baf61c1647ffcfbc6b6e26132d3ce56abeb96.

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Updated by Jim Pingle almost 3 years ago

Status changed from Feedback to New

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#10

Updated by Marcos M almost 3 years ago

New MR, see: https://redmine.pfsense.org/issues/12267#note-16

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#11

Updated by Marcos M almost 3 years ago

Status changed from New to Pull Request Review

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#12

Updated by Ryan Coleman over 2 years ago

Marcos Mendoza wrote in #note-10:

New MR, see: https://redmine.pfsense.org/issues/12267#note-16

Tested this with 22.01 and verified it resolved traffic passing between client 1 and the firewall.

Mar 29 22:38:42 firewall openvpn[56228]: 123.45.67.89:45804 [username] Peer Connection Initiated with [AF_INET]123.45.67.89:45804
Mar 29 22:38:42 firewall openvpn[45546]: user 'username' authenticated
Mar 29 22:38:42 firewall openvpn[56228]: username/123.45.67.89:45804 MULTI_sva: pool returned IPv4=10.199.1.3, IPv6=(Not enabled)
Mar 29 22:38:42 firewall openvpn[46638]: openvpn server 'ovpns2' user 'username' address '123.45.67.89:45804' - connecting
Mar 29 22:38:42 firewall openvpn[50146]: openvpn server 'ovpns2' user 'username' address '123.45.67.89:45804' - connected

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#13