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41 Commits

Author SHA1 Message Date
hwdsl2
857c6b9bea Add LXC check 2022-05-10 09:02:46 -05:00
hwdsl2
95d9fc4e03 Add subnet check 
- Add a check for custom VPN subnets. Those can only be specified
  during initial VPN install.
  Ref: 1834b79
 2022-05-10 08:47:59 -05:00
hwdsl2
eed8e236a3 Cleanup 2022-05-08 02:43:47 -05:00
hwdsl2
0425be8c4a Remove xl2tpd workaround 
- The fixed xl2tpd package is now in the Ubuntu repos. This workaround
  is no longer necessary.
  Ref: https://bugs.launchpad.net/ubuntu/+source/xl2tpd/+bug/1951832
 2022-05-08 02:26:17 -05:00
hwdsl2
3937eddebc Fix xl2tpd on Ubuntu 22.04 
- Fix xl2tpd on Ubuntu 22.04 by installing a newer version.
  Before this fix, IPsec/L2TP mode may not work on Ubuntu 22.04
  with errors like "Can not find tunnel".
  Ref: https://bugs.launchpad.net/ubuntu/+source/xl2tpd/+bug/1951832
 2022-05-03 22:27:15 -05:00
hwdsl2
c66ca577f3 Update links 
- Update links due to git.io deprecation.
  Ref: https://github.blog/changelog/2022-04-25-git-io-deprecation/
 2022-04-29 22:32:22 -05:00
hwdsl2
b2626dc921 Cleanup 2022-04-27 00:05:45 -05:00
hwdsl2
24ce5bedd8 Cleanup 2022-04-23 00:30:26 -05:00
hwdsl2
9458735d2c Improve Libreswan check 2022-04-23 00:07:46 -05:00
hwdsl2
a1ab13d9a9 Improve VPN setup 
- Add fallback URLs for improved reliability
 2022-04-11 22:36:43 -05:00
hwdsl2
742e43ffcd Cleanup 2022-03-18 21:52:20 -05:00
hwdsl2
d182d9651a Improve VPN setup 
- Download the add/delete VPN user helper scripts during setup,
  so users can use them directly without manual download.
 2022-03-13 15:03:28 -05:00
hwdsl2
46a83e4f9f Cleanup 2022-03-08 21:17:16 -06:00
hwdsl2
e5703d8aaa Cleanup 2022-03-07 21:29:13 -06:00
hwdsl2
40859c5f7f Improve VPN setup 
- Display a message if IKEv2 is already set up on the VPN server.
 2022-03-06 22:41:29 -06:00
hwdsl2
b6c54c316f Improve VPN setup 
- Skip Libreswan install if it has already been installed recently.
 2022-03-06 22:36:20 -06:00
hwdsl2
6f4080bab4 Improve VPN setup 
- Refactor VPN scripts to move IKEv2 setup inside vpnsetup_*.sh
 2022-03-03 22:05:09 -06:00
hwdsl2
79a344ec46 Cleanup 2022-02-24 09:18:39 -06:00
hwdsl2
a4e452e9df Cleanup 2022-02-23 00:08:45 -06:00
hwdsl2
06c5e27080 Fix for GCP MTU size 
- This fix is specifically for Google Cloud Platform (GCP) VMs.
  The default MTU size on GCP, 1460 bytes, could cause network issues
  such as "cannot open websites" with IKEv2 VPN clients.
  This issue was brought up multiple times in this repo, e.g. #1000.
- The fix changes the MTU to 1500 (the default that is widely used),
  and updates dhclient.conf so that it is not reverted to 1460 by DHCP.
- Refs: https://cloud.google.com/vpc/docs/vpc#mtu
        https://cloud.google.com/compute/docs/instances/detect-compute-engine
        https://linuxhint.com/how-to-change-mtu-size-in-linux/
        https://git.io/ikev2#cannot-open-websites-after-connecting-to-ikev2
 2022-02-23 00:07:33 -06:00
hwdsl2
86d4f2f93c Improve VPN setup 
- Retry certain 'apt-get' and 'yum' commands on failure
 2022-02-08 23:24:46 -06:00
hwdsl2
2bb938416c Cleanup 2022-01-29 12:35:51 -06:00
hwdsl2
c04d056be6 Cleanup 2022-01-29 01:28:56 -06:00
hwdsl2
5b1377dcf3 Cleanup 2022-01-22 21:34:53 -06:00
hwdsl2
9022caf9f4 Improve VPN setup 
- Retrieve latest supported Libreswan version before install
- Cleanup
 2022-01-22 21:31:55 -06:00
hwdsl2
2ffad259af New Libreswan version 
- Use new Libreswan version 4.6.
- Libreswan 4.6 contains a fix for CVE-2022-23094. See the following
  links for more information.
  https://lists.libreswan.org/pipermail/swan-announce/2022/000046.html
  https://libreswan.org/security/
 2022-01-11 22:20:57 -06:00
hwdsl2
c25baaf9a9 Cleanup 2022-01-04 23:01:14 -06:00
hwdsl2
c78b398057 Update year 2022-01-02 00:09:03 -06:00
hwdsl2
a47ced7899 Cleanup 2021-09-19 21:51:14 -05:00
hwdsl2
4a8e24a61c Cleanup 2021-09-18 14:58:06 -05:00
hwdsl2
819c537b5e Improve /dev/ppp check 
- Show a warning instead of exiting with an error for missing /dev/ppp,
  which could happen on Debian 11/10 with certain Linux kernels. Users
  can use the IKEv2 or IPsec/XAuth ("Cisco IPsec") mode to connect.
  Ref: https://git.io/vpndebian10
 2021-09-17 23:47:09 -05:00
hwdsl2
e2a9c4a0c3 Cleanup 2021-09-11 10:07:33 -05:00
hwdsl2
263ffe97cc Cleanup 2021-09-07 09:02:22 -05:00
hwdsl2
df6c02bf95 Improve Libreswan install 
- Skip downloading and installing Libreswan if the same version
  is already installed.
 2021-08-29 15:12:17 -05:00
hwdsl2
da7697a5b0 Cleanup 
- Update scripts to use bash instead of sh
- Update docs
 2021-08-27 23:35:31 -05:00
hwdsl2
c2236b6e34 New Libreswan version 
- Use new Libreswan version 4.5
 2021-08-22 11:50:14 -05:00
hwdsl2
9336c1c2c2 Improve VPN setup 
- Refactor VPN setup scripts into functions
- Cleanup
 2021-08-19 02:01:34 -05:00
hwdsl2
87235014ad Add Debian 11 2021-08-15 00:46:25 -05:00
hwdsl2
6ce1be392d Cleanup 2021-08-13 22:10:44 -05:00
hwdsl2
779a86f933 Cleanup 2021-08-13 02:11:31 -05:00
hwdsl2
c54484a910 Rename Ubuntu/Debian script 2021-08-13 01:20:07 -05:00