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--- auth:howto:linux:vpnclient [2016/04/08 09:07] – [Instructions for Linux vpnc Client (recommended)] kohofer
+++ auth:howto:linux:vpnclient [2022/06/20 11:40] (current) – kohofer
@@ Line 3: / Line 3: @@
 ===== Infos regarding the usage of VPN =====
-http://www.unibz.it/en/ict/ComputerInternet/network/vpn/default.html
+https://knowledge.scientificnet.org/workspace/#nd=ab7442f9-c4d0-4ffc-a4f7-1e0d84515cc9&ld=17f4d8ce-edff-4d42-ad33-d98e2cdebc35&ln=it
-==== Instructions for Windows 7 - 32bit and 64bit ====
-http://www.unibz.it/en/ict/ComputerInternet/network/vpn/InstallationWindows.html
 ==== Instructions for MacOS X ====
@@ Line 55: / Line 51: @@
   - Enter Password if not already entered above
-===== Instructions for Linux vpnc Client (recommended) =====
+=== Instructions for Android 7 ===
+  - Press Settings
+  - Find VPN Settings, depends on Model
+  - Next click: Add VPN Configuration...
+    - **Name:** Unibz VPN
+    - **Type:** IPSec Xauth PSK
+    - **Server-Address:** vpn.scientificnet.org
+    - **IPSec Identifier:** Unibz
+    - **IPSec Pre-shared Key:** NrW2z9sj8g3kjJrzXxJwRPbIRNInWakL
+    - **Account:** <your-unibz-username>
+    - **Password:** <your-unibz-password> or leave empty to ask every time!
+  - Press Done
+  - Status: Slide Button to the right to connect
+  - Enter Password if not already entered above
+===== Instructions for Linux using openconnect Client (recommended) =====
+Run this command to install openconnect client and OpenConnect plugin GNOME GUI
+  sudo apt install openconnect network-manager-openconnect network-manager-openconnect-gnome
+Once installed open Settings and go to Network, press + right of the VPN section.
+{{:auth:howto:linux:network_vpn.png?400|}}
+Select **Cisco AnyConnect Compatible VPN (openconnect)** and fill out as shown below:
+{{:auth:howto:linux:add_vpn_openconnect.png?400|}}
+{{:auth:howto:linux:details_vpn.png?300|Details}} {{:auth:howto:linux:identity_vpn.png?300|Identity}}
+{{:auth:howto:linux:ipv4_vpn.png?300|IPv4}} {{:auth:howto:linux:ipv6_vpn.png?300|IPv6}}
+**Details**
+  - Make available to other users: tick if you want to allow other users on your system to use the VPN
+**Identity**
+  - Name: VPN work (use a descriptive name)
+  - VPN Protocol: Cisco AnyConnect
+  - Gateway: vpn.scientificnet.org
+  - CA Certificate: download from {{ :auth:howto:linux:vpn-scientificnet-org.pem |here}}, not really necessary!
+The rest can be left as it is.
+**IPv4/IPv6**
+  - IPv4 Method: Automatic (DHCP)
+  - DNS: ON
+  - Routes: ON
+Press <color #22b14c>Apply</color>
+Now you can enable the VPN connection!
+Move the slider from OFF to ON, a small window should open,
+{{:auth:howto:linux:enable_vpn.png?400|Enable VPN}}
+make sure that for VPN Host you select: **vpn.scientificnet.org**
+Enter your unibz Username, without @unibz.it and your unibz Password.
+{{:auth:howto:linux:connect_vpn.png?400|Connect VPN}}
+Press **Login**
+If all goes well the slider should remain in ON position, if not check the Log.
+To verify launch this command in a terminal:
+  ifconfig | grep 172*
+You should get a new interface --> vpn0: with an IP Address: 172.21.66.xxx
+===== Instructions for Linux vpnc Client =====
 . Install vpnc
-  sudo aptitude install vpnc
+  sudo apt-get install vpnc
 . For Unibz:
@@ Line 82: / Line 152: @@
 IPSec gateway vpn.unibz.it
 IPSec ID Unibz
-IPSec obfuscated secret 06294C134E0BEBDA4B449B56BFD305D35D12DABF4044EDB6794926C2CA6D5AEDFE6342DF190E566EB11215DDC1591D5CB6ABEBEB593693C6D0B2077D78034B6AFEEA3221E77F4
+IPSec obfuscated secret 06294C134E0BEBDA4B449B56BFD305D35D12DABF4044EDB6794926C2CA6D5AEDFE6342DF190E566EB11215DDC1591D5CB6ABEBEB593693C6D0B2077D78034B6AFEEA3221E77F4C9858DD711AA8DE58F6
-C9858DD711AA8DE58F6
 Xauth username your-windows-login
+# e.g. Xauth username fmoser (not fmoser@unibz.it)
 #######################################
 </code>
@@ Line 109: / Line 179: @@
 IPSec obfuscated secret 56A1CD68CC3AD33B48DB0F727ADDBC0A354DE3287D15C8526ED4CEDE4BC2ACDD1BB2460BC2354671A405F6150EA7C294C4DBC4CF9FFE45873BECAD3A2A738C5053BE34F709D592B50AD5BC472CDFF350
 Xauth username your-windows-login
+# e.g. Xauth username fmoser (not fmoser@eurac.edu)
 #######################################
 </code>
@@ Line 166: / Line 237: @@
 provides an updated / revised release of this script. Download the latest copy from [[http://git.infradead.org/users/dwmw2/vpnc-scripts.git/blob_plain/HEAD:/vpnc-script|here]].\\
 Replace the vpnc-script script that comes with the Ubuntu vpnc package: /etc/vpnc/vpnc-script
+----
+Access via ssh not possible, MTU value to high!
+In some cases the MTU value is too high, which results in an very strange
+situation: ping works, but ssh hangs at this point:
+...
+debug1: sending SSH2_MSG_KEX_ECDH_INIT
+debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
+There are 2 bug reports for this:\\
+https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1110787\\
+https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1254085
+and a possible solution/workaround for Linux Mint:
+https://community.hide.me/threads/setup-problem-on-linux-mint-17.1839/
+Check the current MTU value:
+  ip link | grep mtu
+Set MTU value on interface eth0 to 1392
+  /sbin/ifconfig eth0 mtu 1392
+----
+Allow local (LAN) access when using VPN (MacOS)
+{{:auth:howto:linux:allow-local-lan-access-with-vpn.png?400|VPN preferences}}
 ==== Decode Group Password ====
@@ Line 273: / Line 381: @@
 Per-user configuration is stored in your home directory in a file called .anyconnect
-===== Shrew Soft VPN Client Instructions for 32 or 64 bit version of Windows 2000, XP, Vista and 7 (recommened) =====
+====== Install openconnect-sso macOS with SAML ======
+If you don't want to use Cisco Anyconnect on the Apple Mac, you can install openconnect
+and openconnect-sso for using SAML!
+**Requirements**: Python3
+Install brew
+  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+Install openconnect and pipx
+  brew install openconnect pipx
+  pipx ensurepath
+Install pipx
+  pip install --user pipx
+Install openconnect-sso
+  pipx install "openconnect-sso[full]"
+  pipx ensurepath
+Launch openconnect-sso
+  /Users/user/.local/bin/openconnect-sso --server vpn.scientificnet.org/saml
+<code>
+...
+...
+[info     ] Loading page                   [webengine] url=https://vpn.scientificnet.org/+CSCOE+/saml/sp/login?tgname=ScientificNetworkSouthTyrol-SAML&acsamlcap=v2
+[info     ] Terminate requested.           [webengine]
+[info     ] Exiting browser                [webengine]
+[info     ] Browser exited                 [openconnect_sso.browser.browser]
+[info     ] Response received              [openconnect_sso.authenticator] id=success message=
+[sudo] password for <local-username>:
+Connected to 193.106.xxx.xxx:443
+SSL negotiation with vpn.scientificnet.org
+Server certificate verify failed: signer not found
+Connected to HTTPS on vpn.scientificnet.org
+Got CONNECT response: HTTP/1.1 200 OK
+CSTP connected. DPD 30, Keepalive 20
+Connected as 172.xx.xx.xx + 2a02:27e8:10:741:0:dacc:0:2/64, using SSL, with DTLS in progress
+Established DTLS connection (using GnuTLS). Ciphersuite (DTLS1.2)-(ECDHE-RSA)-(AES-256-GCM).
+Error: any valid prefix is expected rather than "dev".
+</code>
+A browser-window will ask for your username and password, next it will ask for the PIN which you need
+to generate with an Authenticator!
+Last thing to enter is the sudo password to enable the network interface.
+====== Install openconnect-sso Ubuntu with SAML ======
+Requirements:
+  sudo apt install python3.8-venv openconnect
+  pip install --user pipx
+  pipx install "openconnect-sso[full]"
+  pipx ensurepath
+Launch openconnect-sso
+  openconnect-sso --server vpn.scientificnet.org/saml
-. Go to http://www.shrew.net/home and download latest stable release of Shrew Soft VPN Client for Windows: http://www.shrew.net/download/vpn
+A browser window will open, where it might ask for your 2FA/MFA,
+then it will ask for your sudo password to get the VPN interface up.
+Leave the command running as long as you need VPN.
-. Download unibz profile (need to login with unibz login&password)
+You can also add an ampersand (&) and the end of the command to put the command
-https://pro.unibz.it/vpn/profiles/unibz/Free%20University%20of%20Bozen-Bolzano.zip
+into background:
-. Install Shrew Soft VPN Client for Windows
+  openconnect-sso --server vpn.scientificnet.org/saml &
-. Start Shrew Soft VPN Client, unzip unibz profile and Import in VPN client